Shape-Memory and Self-Healing Effects in Mechanosalient Molecular Crystals.
Karothu, Durga Prasad; Weston, James; Desta, Israel Tilahun; Naumov, Panče; Journal of the American Chemical Society 138 (2016) 13298–13306; doi:10.1021/jacs.6b07406

data_4130844
_publ_section_title
;
 Shape-Memory and Self-Healing Effects in Mechanosalient Molecular
 Crystals.
;
_journal_issue                   40
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13298
_journal_page_last               13306
_journal_paper_doi               10.1021/jacs.6b07406
_journal_volume                  138
_journal_year                    2016
_chemical_formula_moiety         'C8 H6 O4'
_chemical_formula_sum            'C8 H6 O4'
_chemical_formula_weight         166.13
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     iterative
_audit_creation_date             2016-07-03
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_cell_angle_alpha                82.942(2)
_cell_angle_beta                 81.006(2)
_cell_angle_gamma                88.982(2)
_cell_formula_units_Z            1
_cell_length_a                   3.7793(6)
_cell_length_b                   6.4791(10)
_cell_length_c                   7.4040(11)
_cell_measurement_reflns_used    4967
_cell_measurement_temperature    390(2)
_cell_measurement_theta_max      26.0
_cell_measurement_theta_min      2.8
_cell_volume                     177.71(5)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'olex2.solve (Bourhis et al., 2015)'
_diffrn_ambient_temperature      389.99
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0189
_diffrn_reflns_av_unetI/netI     0.0102
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            4915
_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         25.995
_diffrn_reflns_theta_min         2.806
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.127
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6481
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.0705 before and 0.0461 after correction.
The Ratio of minimum to maximum transmission is 0.8687.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.552
_exptl_crystal_description       cuboid
_exptl_crystal_F_000             86
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.194
_refine_diff_density_min         -0.189
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.147
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     59
_refine_ls_number_reflns         697
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.147
_refine_ls_R_factor_all          0.0430
_refine_ls_R_factor_gt           0.0395
_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^)+(0.0590P)^2^+0.0480P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1142
_refine_ls_wR_factor_ref         0.1174
_reflns_Friedel_coverage         0.000
_reflns_number_gt                629
_reflns_number_total             697
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja6b07406_si_020.cif
_cod_data_source_block           TA_Form1
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'MULTI-SCAN' was
changed to 'multi-scan' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_database_code               4130844
_shelx_estimated_absorpt_t_max   0.975
_shelx_estimated_absorpt_t_min   0.963
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C4(H4), C3(H3)
;
_shelx_res_checksum              11747
_shelx_hkl_checksum              21767
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'