The photomechanic effects of the molecular crystals based on 5-chloro-2-(naphthalenylvinyl)benzoxazols fueled by topo-photochemical reactions
Peng, Jiang; Ye, Kaiqi; Liu, Cheng; Sun, Jingbo; Lu, Ran; Journal of Materials Chemistry C 7 (2019) 5433–; doi:10.1039/C9TC01084J

data_7237781
_publ_section_title
;
 The photomechanic effects of the molecular crystals based on
 5-chloro-2-(naphthalenylvinyl)benzoxazols fueled by topo-photochemical
 reactions
;
_journal_issue                   18
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              5433
_journal_paper_doi               10.1039/C9TC01084J
_journal_volume                  7
_journal_year                    2019
_chemical_formula_moiety         'C19 H12 Cl N O'
_chemical_formula_sum            'C19 H12 Cl N O'
_chemical_formula_weight         305.75
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_audit_block_doi                 10.5517/ccdc.csd.cc21xkwf
_audit_creation_date             2019-03-19
_audit_creation_method
;
Olex2 1.2
(compiled 2018.04.18 svn.r3501 for OlexSys, GUI svn.r5488)
;
_audit_update_record
;
2019-03-20 deposited with the CCDC.	2019-04-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.288(4)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   23.323(2)
_cell_length_b                   3.8319(3)
_cell_length_c                   31.479(3)
_cell_measurement_reflns_used    8767
_cell_measurement_temperature    149(2)
_cell_measurement_theta_max      29.646
_cell_measurement_theta_min      3.115
_cell_volume                     2813.3(4)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'olex2.solve (Bourhis et al., 2015)'
_diffrn_ambient_temperature      149.25
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0384
_diffrn_reflns_av_unetI/netI     0.0348
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       43
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            17237
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.653
_diffrn_reflns_theta_min         3.116
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.272
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.444
_exptl_crystal_description       needle
_exptl_crystal_F_000             1264
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.347
_refine_diff_density_min         -0.275
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.228
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         3978
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.228
_refine_ls_R_factor_all          0.0751
_refine_ls_R_factor_gt           0.0604
_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^)+(0.0289P)^2^+5.6123P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1146
_refine_ls_wR_factor_ref         0.1195
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3383
_reflns_number_total             3978
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9tc01084j10.cif
_cod_data_source_block           BOV1N
_cod_original_cell_volume        2813.2(5)
_cod_database_code               7237781
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.971
_shelx_estimated_absorpt_t_min   0.966
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C5(H5), C6(H6), C9(H9), C10(H10), C11(H11), C12(H12), C13(H13),
 C15(H15), C16(H16), C17(H17), C19(H19)
;
_shelx_res_checksum              98901
_olex2_submission_special_instructions 'No special instructions were received'