Multi-photoresponsive triphenylethylene derivatives with photochromism, photodeformation and room temperature phosphorescence.
Fan, Yunhao; Han, Mengmeng; Huang, Arui; Liao, Qiuyan; Tu, Jin; Liu, Xiuxing; Huang, Bohan; Li, Qianqian; Li, Zhen; Materials horizons 9 (2022) 368–375; doi:10.1039/d1mh01207j

data_1564684
_publ_section_title
;
 Multi-photoresponsive triphenylethylene derivatives with photochromism,
 photodeformation and room temperature phosphorescence.
;
_journal_issue                   1
_journal_name_full               'Materials horizons'
_journal_page_first              368
_journal_page_last               375
_journal_paper_doi               10.1039/d1mh01207j
_journal_volume                  9
_journal_year                    2022
_chemical_formula_moiety         'C21 H17 Br'
_chemical_formula_sum            'C21 H17 Br'
_chemical_formula_weight         349.26
_chemical_name_systematic        TPMBr
_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'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2021-05-25
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6272)
;
_audit_update_record
;
2021-07-06 deposited with the CCDC.	2021-09-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.317(8)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.773(4)
_cell_length_b                   9.273(5)
_cell_length_c                   20.333(10)
_cell_measurement_reflns_used    5722
_cell_measurement_temperature    296.15
_cell_measurement_theta_max      28.42
_cell_measurement_theta_min      2.32
_cell_volume                     1654.1(14)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'XS  (Sheldrick, 2008)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.943
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0500
_diffrn_reflns_av_unetI/netI     0.0554
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.943
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            17055
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.943
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         31.824
_diffrn_reflns_theta_min         2.003
_diffrn_source_current           0.0
_diffrn_source_power             0.0
_diffrn_source_voltage           0.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.479
_exptl_absorpt_correction_T_max  0.7463
_exptl_absorpt_correction_T_min  0.5295
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0888 before and 0.0487 after correction.
The Ratio of minimum to maximum transmission is 0.7095.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            'clear whiteish colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   whiteish
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.402
_exptl_crystal_description       needle
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.466
_refine_diff_density_min         -0.767
_refine_diff_density_rms         0.157
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         5324
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0826
_refine_ls_R_factor_gt           0.0500
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0559P)^2^+0.4015P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1061
_refine_ls_wR_factor_ref         0.1182
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3754
_reflns_number_total             5324
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1mh01207j2.cif
_cod_data_source_block           y
_cod_depositor_comments
'Adding full bibliography for 1564683--1564688.cif.'
_cod_original_cell_volume        1654.3(14)
_cod_database_code               1564684
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.790
_shelx_estimated_absorpt_t_min   0.523
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C18(H18), C11(H11), C21(H21), C20(H20), C12(H12), C15(H15), C8(H8), C17(H17),
 C13(H13), C4(H4), C5(H5), C7(H7), C14(H14), C6(H6)
2.b Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C)
;
_shelx_res_checksum              54565
_olex2_submission_special_instructions 'No special instructions were received'