cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.5517/ccdc.csd.cc24jcrt
title: CCDC 1981946: Experimental Crystal Structure Determination

description: Related Article: Subhrajyoti Bhandary, Amy J. Thompson, John C. McMurtrie, Jack K. Clegg, Peuli Ghosh, S. R. N. Kiran Mangalampalli, Satoshi Takamizawa, Deepak Chopra|2020|Chem.Commun.|56|12841|doi:10.1039/D0CC05904H
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24jcsv
title: CCDC 1981947: Experimental Crystal Structure Determination

description: Related Article: Subhrajyoti Bhandary, Amy J. Thompson, John C. McMurtrie, Jack K. Clegg, Peuli Ghosh, S. R. N. Kiran Mangalampalli, Satoshi Takamizawa, Deepak Chopra|2020|Chem.Commun.|56|12841|doi:10.1039/D0CC05904H
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24jctw
title: CCDC 1981948: Experimental Crystal Structure Determination

description: Related Article: Subhrajyoti Bhandary, Amy J. Thompson, John C. McMurtrie, Jack K. Clegg, Peuli Ghosh, S. R. N. Kiran Mangalampalli, Satoshi Takamizawa, Deepak Chopra|2020|Chem.Commun.|56|12841|doi:10.1039/D0CC05904H
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hvn5
title: CCDC 1981447: Experimental Crystal Structure Determination

description: Related Article: Mohammed S. Abdelbassit, Owen J. Curnow, Manuel Ferreras, Deborah L. Crittenden|2020|ChemPlusChem|85|927|doi:10.1002/cplu.202000146
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24jcvx
title: CCDC 1981949: Experimental Crystal Structure Determination

description: Related Article: Subhrajyoti Bhandary, Amy J. Thompson, John C. McMurtrie, Jack K. Clegg, Peuli Ghosh, S. R. N. Kiran Mangalampalli, Satoshi Takamizawa, Deepak Chopra|2020|Chem.Commun.|56|12841|doi:10.1039/D0CC05904H
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hvs9
title: CCDC 1981451: Experimental Crystal Structure Determination

description: Related Article: Elena Yu. Schmidt,  Inna V. Tatarinova,  Igor’ A. Ushakov,  Alexander V. Vashchenko,  Boris A. Trofimov|2020|J.Org.Chem.|85|6732|doi:10.1021/acs.joc.0c00742
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24j0f4
title: CCDC 1981595: Experimental Crystal Structure Determination

description: Related Article: Yufei Wang, Misbha Rafiq, Wenjing Zhang, Xiaoge Niu, Yan Liu, Caipeng Yue, Yaping Hao, Jinpeng Li|2020|Inorg.Chim.Acta|1|1|
description: Related Article: Yufei Wang,  Misbha Rafiq Khan,  Xiaoge Niu,  Wenjing Zhang,  Yulin Li,  Bohan Li,  Yaping Hao,  Jinpeng Li,  Zhongyi Liu|2020|Z.Anorg.Allg.Chem.|646|532|doi:10.1002/zaac.202000093
description: Related Article: Jing Liu, Ziang Chen, Jia Hu, Hongxia Sun, Yan Liu, Zhongyi Liu, Jinpeng Li|2022|Inorg.Chem.Front.|9|584|doi:10.1039/D1QI01435H
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24j0g5
title: CCDC 1981596: Experimental Crystal Structure Determination

description: Related Article: Yufei Wang, Misbha Rafiq, Wenjing Zhang, Xiaoge Niu, Yan Liu, Caipeng Yue, Yaping Hao, Jinpeng Li|2020|Inorg.Chim.Acta|1|1|
description: Related Article: Yufei Wang,  Misbha Rafiq Khan,  Xiaoge Niu,  Wenjing Zhang,  Yulin Li,  Bohan Li,  Yaping Hao,  Jinpeng Li,  Zhongyi Liu|2020|Z.Anorg.Allg.Chem.|646|532|doi:10.1002/zaac.202000093
description: Related Article: Jinpeng Li,  Misbha Rafiq Khan,  Bin Liu,  Xiaoge Niu,  Bohan Li,  Yaping Hao,  Zhongyi Liu|2020|Eur.J.Inorg.Chem.|2020|3786|doi:10.1002/ejic.202000595
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24j0h6
title: CCDC 1981597: Experimental Crystal Structure Determination

description: Related Article: Yufei Wang, Misbha Rafiq, Wenjing Zhang, Xiaoge Niu, Yan Liu, Caipeng Yue, Yaping Hao, Jinpeng Li|2020|Inorg.Chim.Acta|1|1|
description: Related Article: Yufei Wang,  Misbha Rafiq Khan,  Xiaoge Niu,  Wenjing Zhang,  Yulin Li,  Bohan Li,  Yaping Hao,  Jinpeng Li,  Zhongyi Liu|2020|Z.Anorg.Allg.Chem.|646|532|doi:10.1002/zaac.202000093
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24j0j7
title: CCDC 1981598: Experimental Crystal Structure Determination

description: Related Article: Yufei Wang, Misbha Rafiq, Wenjing Zhang, Xiaoge Niu, Yan Liu, Caipeng Yue, Yaping Hao, Jinpeng Li|2020|Inorg.Chim.Acta|1|1|
description: Related Article: Yufei Wang,  Misbha Rafiq Khan,  Xiaoge Niu,  Wenjing Zhang,  Yulin Li,  Bohan Li,  Yaping Hao,  Jinpeng Li,  Zhongyi Liu|2020|Z.Anorg.Allg.Chem.|646|532|doi:10.1002/zaac.202000093
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.25505/fiz.icsd.cc24hvxf
title: CSD 1981455: Experimental Crystal Structure Determination

description: Related Article: Masahiro Mikuriya, Nanami Watanabe, Yoshiki Koyama, Daisuke Yoshioka, Junya Ogawa, Ryoji Mitsuhashi, Makoto Handa|2020|X-ray.Str.Anal.Online.|36|17|doi:10.2116/xraystruct.36.17
description: An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the joint CCDC and FIZ Karlsruhe Access Structures service and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hw4p
title: CCDC 1981462: Experimental Crystal Structure Determination

description: Related Article: Meng Qinghua|2020|CSD Communication|||
description: Related Article: Lu Gao, Yong-Yi Liu|2020|Monatsh.Chem.|151|889|doi:10.1007/s00706-020-02621-6
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hw5q
title: CCDC 1981463: Experimental Crystal Structure Determination

description: Related Article: Meng Qinghua|2020|CSD Communication|||
description: Related Article: Lu Gao, Yong-Yi Liu|2020|Monatsh.Chem.|151|889|doi:10.1007/s00706-020-02621-6
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.25505/fiz.icsd.cc24hw6r
title: CSD 1981464: Experimental Crystal Structure Determination

description: Related Article: Zhuang Li,  Shengzi Zhang,  Zhiwei Huang,  Li-Dong Zhao,  Ece Uykur,  Wenhao Xing,  Zheshuai Lin,  Jiyong Yao,  Yicheng Wu|2020|Chem.Mater.|32|3288|doi:10.1021/acs.chemmater.0c00609
description: An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the joint CCDC and FIZ Karlsruhe Access Structures service and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hw7s
title: CCDC 1981465: Experimental Crystal Structure Determination

description: Related Article: Haruka Kano,  Keiji Uehara,  Kyohei Matsuo,  Hironobu Hayashi,  Hiroko Yamada,  Naoki Aratani|2020|Beilstein J.Org.Chem.|16|621|doi:10.3762/bjoc.16.58
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hwcx
title: CCDC 1981469: Experimental Crystal Structure Determination

description: Related Article: Anu Radha, Pretam Kumar, Tahira Firdoos, Puneet Sood, Namrata Rani, Vikas, Sushil Kumar Pandey|2021|J.Mol.Struct.|1229|129729|doi:10.1016/j.molstruc.2020.129729
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hwdy
title: CCDC 1981470: Experimental Crystal Structure Determination

description: Related Article: Anu Radha, Pretam Kumar, Tahira Firdoos, Puneet Sood, Namrata Rani, Vikas, Sushil Kumar Pandey|2021|J.Mol.Struct.|1229|129729|doi:10.1016/j.molstruc.2020.129729
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hwfz
title: CCDC 1981471: Experimental Crystal Structure Determination

description: Related Article: Anu Radha, Pretam Kumar, Tahira Firdoos, Puneet Sood, Namrata Rani, Vikas, Sushil Kumar Pandey|2021|J.Mol.Struct.|1229|129729|doi:10.1016/j.molstruc.2020.129729
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hx2n
title: CCDC 1981491: Experimental Crystal Structure Determination

description: Related Article: Sami Dawaigher, Emil Lindbäck, Daniel Strand, Anna Cederbalk, Stuart Winikoff, Michael Harmata, Victor Snieckus, Kenneth Wärnmark|2020|ARKIVOC|2020|67-7|doi:10.24820/ark.5550190.p011.183
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.25505/fiz.icsd.cc22ykn8
title: CSD 1935040: Experimental Crystal Structure Determination

description: Related Article: Maria S. Tarasenko, Alexander S. Kiryakov, Alexey A. Ryadun, Natalia V. Kuratieva, Pavel E. Plyusnin, Nikolay G. Naumov|2019|Materials Today Comm.|21|100665|doi:10.1016/j.mtcomm.2019.100665
description: An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the joint CCDC and FIZ Karlsruhe Access Structures service and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hwn6
title: CCDC 1981478: Experimental Crystal Structure Determination

description: Related Article: Guangjie Song, Jun Zhang, Yoshiharu Nishiyama|2020|Cellulose|27|5449|doi:10.1007/s10570-020-03214-6
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hxg1
title: CCDC 1981503: Experimental Crystal Structure Determination

description: Related Article: G.V.Romanenko, S.V.Fokin, G.A.Letyagin, A.S.Bogomyakov, V.I.Ovcharenko|2020|Zh.Strukt.Khim.|61|1594|doi:10.1134/S002247662010011X
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hxh2
title: CCDC 1981504: Experimental Crystal Structure Determination

description: Related Article: G.V.Romanenko, S.V.Fokin, G.A.Letyagin, A.S.Bogomyakov, V.I.Ovcharenko|2020|Zh.Strukt.Khim.|61|1594|doi:10.1134/S002247662010011X
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hxj3
title: CCDC 1981505: Experimental Crystal Structure Determination

description: Related Article: G.V.Romanenko, S.V.Fokin, G.A.Letyagin, A.S.Bogomyakov, V.I.Ovcharenko|2020|Zh.Strukt.Khim.|61|1594|doi:10.1134/S002247662010011X
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hxk4
title: CCDC 1981506: Experimental Crystal Structure Determination

description: Related Article: G.V.Romanenko, S.V.Fokin, G.A.Letyagin, A.S.Bogomyakov, V.I.Ovcharenko|2020|Zh.Strukt.Khim.|61|1594|doi:10.1134/S002247662010011X
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hxl5
title: CCDC 1981507: Experimental Crystal Structure Determination

description: Related Article: Daniel Komisarek, Carsten Schauerte, Klaus Merz|2020|Chemistry|2|93|doi:10.3390/chemistry2010009
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hxm6
title: CCDC 1981508: Experimental Crystal Structure Determination

description: Related Article: Daniel Komisarek, Carsten Schauerte, Klaus Merz|2020|Chemistry|2|93|doi:10.3390/chemistry2010009
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hxn7
title: CCDC 1981509: Experimental Crystal Structure Determination

description: Related Article: Daniel Komisarek, Carsten Schauerte, Klaus Merz|2020|Chemistry|2|93|doi:10.3390/chemistry2010009
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hxwg
title: CCDC 1981516: Experimental Crystal Structure Determination

description: Related Article: Yanmei Chen,  Shanshan Liu,  Junqi Lin,  Siyu Liu,  Zhijun Ruan|2021|Z.Anorg.Allg.Chem.|647|646|doi:10.1002/zaac.202000323
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hy1n
title: CCDC 1981521: Experimental Crystal Structure Determination

description: Related Article: Hasane Ratni, Andre Alker, Bjoern Bartels, Caterina Bissantz, Weichun Chen, Irene Gerlach, Anja Limberg, Mingqiu Lu, Werner Neidhart, Solen Pichereau, Michael Reutlinger, Rosa-Maria Rodriguez-Sarmiento, Roland Jakob-Roetne, Georg Schmitt, Eric Zhang, Karlheinz Baumann|2020|ACS.Med.Chem.Lett.|11|1257|doi:10.1021/acsmedchemlett.0c00109
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc1kg90b
title: CCDC 1443701: Experimental Crystal Structure Determination

description: Related Article: Lei-Lei Li, Gao-Juan Cao, Jun-Wei Zhao, Huan He, Bai-Feng Yang, Guo-Yu Yang|2016|Inorg.Chem.|55|5671|doi:10.1021/acs.inorgchem.6b00754
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc1kg91c
title: CCDC 1443702: Experimental Crystal Structure Determination

description: Related Article: Lei-Lei Li, Gao-Juan Cao, Jun-Wei Zhao, Huan He, Bai-Feng Yang, Guo-Yu Yang|2016|Inorg.Chem.|55|5671|doi:10.1021/acs.inorgchem.6b00754
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hy3q
title: CCDC 1981523: Experimental Crystal Structure Determination

description: Related Article: Tobias Taeufer,  Jola Pospech|2020|J.Org.Chem.|85|7097|doi:10.1021/acs.joc.0c00491
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hy6t
title: CCDC 1981526: Experimental Crystal Structure Determination

description: Related Article: Alexander S. Mikherdov, Alexander S. Novikov, Vadim P. Boyarskiy, Vadim Yu. Kukushkin |2020|Nat.Commun.|11|2921|doi:10.1038/s41467-020-16748-x
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/ccdc.csd.cc24hy7v
title: CCDC 1981527: Experimental Crystal Structure Determination

description: Related Article: Alexander S. Mikherdov, Alexander S. Novikov, Vadim P. Boyarskiy, Vadim Yu. Kukushkin |2020|Nat.Commun.|11|2921|doi:10.1038/s41467-020-16748-x
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.