Dimesitylboryl-functionalised cyanostilbene derivatives of phenothiazine: distinctive polymorphism-dependent emission and mechanofluorochromism
Arivazhagan, C.; Malakar, Partha; Jagan, R.; Prasad, Edamana; Ghosh, Sundargopal; CrystEngComm 20 (2018) 3162–; doi:10.1039/C8CE00250A

data_7230585
_publ_section_title
;
 Dimesitylboryl-functionalised cyanostilbene derivatives of phenothiazine:
 distinctive polymorphism-dependent emission and mechanofluorochromism
;
_journal_issue                   23
_journal_name_full               CrystEngComm
_journal_page_first              3162
_journal_paper_doi               10.1039/C8CE00250A
_journal_volume                  20
_journal_year                    2018
_chemical_formula_sum            'C23 H17 Br N2 S'
_chemical_formula_weight         433.35
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2018-05-01 deposited with the CCDC.
2018-05-09 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 108.5420(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.5728(2)
_cell_length_b                   13.7128(3)
_cell_length_c                   13.8757(3)
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_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      30.39
_cell_measurement_theta_min      2.97
_cell_volume                     1907.31(7)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2012)'
_computing_data_collection       'APEX2(Bruker, 2012)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2012)'
_computing_molecular_graphics
'ORTEP3 (Farrugia, 1997) and Mercury (Bruno et al., 2002)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2015)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT-2014/7 (Sheldrick, 2015)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker kappa apex2 CCD Diffractometer'
_diffrn_measurement_method       '\w and \f scan'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0668
_diffrn_reflns_av_unetI/netI     0.0331
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            31753
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.000
_diffrn_reflns_theta_min         2.920
_exptl_absorpt_coefficient_mu    2.275
_exptl_absorpt_correction_T_max  0.804
_exptl_absorpt_correction_T_min  0.727
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2012)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.509
_exptl_crystal_description       block
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.668
_refine_diff_density_min         -0.541
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.132
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         3348
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.132
_refine_ls_R_factor_all          0.0913
_refine_ls_R_factor_gt           0.0505
_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^)+(0.0273P)^2^+5.2779P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1025
_refine_ls_wR_factor_ref         0.1335
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2283
_reflns_number_total             3348
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ce00250a3.cif
_cod_data_source_block           shelx_CCDC1
_cod_depositor_comments
'Adding full bibliography for 7230584--7230586.cif.'
_cod_database_code               7230585
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.727
_shelx_estimated_absorpt_t_max   0.804
_shelx_res_checksum              21036