A low bandgap asymmetrical squaraine for high-performance solution-processed small molecule organic solar cells
Daobin Yang; Qianqian Yang; Lin Yang; Qian Luo; Yao Chen; Youqin Zhu; Yan Huang; Zhiyun Lu; Suling Zhao; Chem.Commun. 50 (2014) 9346–; doi:10.1039/C4cc03831B

data_7115455
_publ_section_title
;
 A low bandgap asymmetrical squaraine for high-performance
 solution-processed small molecule organic solar cells
;
_journal_name_full               Chem.Commun.
_journal_page_first              9346
_journal_paper_doi               10.1039/C4cc03831B
_journal_volume                  50
_journal_year                    2014
_chemical_formula_moiety         'C38 H36 N2 O4'
_chemical_formula_sum            'C38 H36 N2 O4'
_chemical_formula_weight         584.69
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_audit_creation_date             2013-10-31
_audit_creation_method
;
Olex2 1.2
(compiled 2013.09.17 svn.r2790 for OlexSys, GUI svn.r4601)
;
_cell_angle_alpha                90
_cell_angle_beta                 112.969(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.0820(6)
_cell_length_b                   14.0978(4)
_cell_length_c                   16.5453(5)
_cell_measurement_reflns_used    3451
_cell_measurement_temperature    143.05(10)
_cell_measurement_theta_max      28.2010
_cell_measurement_theta_min      3.5310
_cell_volume                     3024.2(2)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
SHELX, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution
'SUPERFLIP, J. Appl. Cryst. (2007) 40, 786-790'
_diffrn_ambient_temperature      143.05(10)
_diffrn_detector_area_resol_mean 16.0874
_diffrn_measured_fraction_theta_full 0.9980
_diffrn_measured_fraction_theta_max 0.8536
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      0.0133754000
_diffrn_orient_matrix_UB_12      -0.0460818000
_diffrn_orient_matrix_UB_13      -0.0092052000
_diffrn_orient_matrix_UB_21      0.0345975000
_diffrn_orient_matrix_UB_22      0.0200723000
_diffrn_orient_matrix_UB_23      -0.0169780000
_diffrn_orient_matrix_UB_31      0.0402294000
_diffrn_orient_matrix_UB_32      -0.0019622000
_diffrn_orient_matrix_UB_33      0.0423616000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0180
_diffrn_reflns_av_unetI/netI     0.0344
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13824
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.371
_diffrn_reflns_theta_min         2.903
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.97684
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_density_diffrn    1.284
_exptl_crystal_F_000             1240
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         1.589
_refine_diff_density_min         -0.218
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     416
_refine_ls_number_reflns         6180
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0875
_refine_ls_R_factor_gt           0.0619
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[\s^2^(Fo^2^)+(0.0805P)^2^+1.7899P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1577
_refine_ls_wR_factor_ref         0.1753
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4484
_reflns_number_total             6180
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c4cc03831b2.cif
_cod_data_source_block           131030_s4_ydb
_cod_database_code               7115455
_shelxl_version_number           2013-2
_chemical_oxdiff_formula         c12h20n2o3
_shelx_estimated_absorpt_t_max   0.984
_shelx_estimated_absorpt_t_min   0.975
_reflns_odcompleteness_completeness 99.80
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2. Uiso/Uaniso restraints and constraints
Uanis(C15A) = Uanis(C15B)
Uanis(C16A) = Uanis(C16B)
Uanis(C17A) = Uanis(C17B)
Uanis(C18A) = Uanis(C18B)
3. Others
 Sof(C15B)=Sof(H15C)=Sof(H15D)=Sof(C16B)=Sof(H16C)=Sof(H16D)=Sof(C17B)=
 Sof(H17C)=Sof(H17D)=Sof(C18B)=Sof(H18D)=Sof(H18E)=Sof(H18F)=1-FVAR(1)
 Sof(C15A)=Sof(H15A)=Sof(H15B)=Sof(C16A)=Sof(H16A)=Sof(H16B)=Sof(C17A)=
 Sof(H17A)=Sof(H17B)=Sof(C18A)=Sof(H18A)=Sof(H18B)=Sof(H18C)=FVAR(1)
4.a Secondary CH2 refined with riding coordinates:
 C15A(H15A,H15B), C15B(H15C,H15D), C16A(H16A,H16B), C16B(H16C,H16D), C17A(H17A,
 H17B), C17B(H17C,H17D), C30(H30A,H30B), C31(H31A,H31B), C32(H32A,H32B)
4.b Aromatic/amide H refined with riding coordinates:
 C5(H5), C6(H6), C7(H7), C8(H8), C10(H10), C11(H11), C19(H19), C26(H26),
 C28(H28), C34(H34), C35(H35), C36(H36), C37(H37)
4.c Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C), C14(H14A,H14B,H14C), C18A(H18A,H18B,H18C), C18B(H18D,
 H18E,H18F)
4.d Idealised tetrahedral OH refined as rotating group:
 O3(H3), O4(H4)
;
_shelx_res_checksum              95560