Polymorphs and a pseudo-polymorphs based on a luminescent boron-containing compound: structural diversity arising from conformational isomers and noncovalent interactions
Zhang, Hongyu; Zhang, Zuolun; Zhang, Jingying; Ye, Kaiqi; Gao, Hongze; Wang, Yue; CrystEngComm 9 (2007) 951–; doi:10.1039/b708384j

data_7203012
_publ_section_title
;
 Polymorphs and a pseudo-polymorphs based on a luminescent
 boron-containing compound: structural diversity arising from
 conformational isomers and noncovalent interactions
;
_journal_issue                   10
_journal_name_full               CrystEngComm
_journal_page_first              951
_journal_paper_doi               10.1039/b708384j
_journal_volume                  9
_journal_year                    2007
_chemical_formula_sum            'C27 H23 B Cl3 N O3'
_chemical_formula_weight         526.62
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.32(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.802(2)
_cell_length_b                   22.740(5)
_cell_length_c                   11.474(2)
_cell_measurement_reflns_used    9662
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.455
_cell_measurement_theta_min      1.775
_cell_volume                     2555.4(9)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        PROCESS-AUTO
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.0
_diffrn_measured_fraction_theta_full 0.953
_diffrn_measured_fraction_theta_max 0.953
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       'Omega scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0687
_diffrn_reflns_av_sigmaI/netI    0.1786
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            5580
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         1.79
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  .
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.389
_exptl_absorpt_correction_T_max  0.9651
_exptl_absorpt_correction_T_min  0.8828
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Higashi, T. (1995) Progrom for Absorption Correcttion.
Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.369
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       prism
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.444
_refine_diff_density_min         -0.376
_refine_diff_density_rms         0.097
_refine_ls_extinction_coef       0
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.790
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     319
_refine_ls_number_reflns         5580
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.790
_refine_ls_R_factor_all          0.1889
_refine_ls_R_factor_gt           0.0648
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0962P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1610
_refine_ls_wR_factor_ref         0.2107
_reflns_number_gt                1755
_reflns_number_total             5580
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b708384j.txt
_cod_data_source_block           z1_Form_C
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7203012