Luminescent Boron-Contained Ladder-Type π-Conjugated Compounds
Zuolun Zhang; Hai Bi; Yu Zhang; Dandan Yao; Hongze Gao; Yan Fan; Hongyu Zhang; Yue Wang; Yanping Wang; Zhenyu Chen; Dongge Ma; Inorganic Chemistry 48 (2009) 7230–7236; doi:10.1021/ic900673s

data_4302844
_publ_section_title
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Luminescent Boron-Contained Ladder-Type \p-Conjugated Compounds
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7230
_journal_page_last               7236
_journal_paper_doi               10.1021/ic900673s
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'C24 H30 B2 N2 O2'
_chemical_formula_weight         400.12
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                82.68(3)
_cell_angle_beta                 77.30(3)
_cell_angle_gamma                68.24(3)
_cell_formula_units_Z            1
_cell_length_a                   7.2455(14)
_cell_length_b                   7.3683(15)
_cell_length_c                   11.081(2)
_cell_measurement_reflns_used    2967
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.08
_cell_volume                     535.3(2)
_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 none
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Omega scan'
_diffrn_measurement_method       10.0
_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  0.0827
_diffrn_reflns_av_sigmaI/netI    0.1170
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            5338
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.08
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  .
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.9806
_exptl_absorpt_correction_T_min  0.9721
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;   
Higash,T(1995) Progrom for Absorption Correcttion.
Rigaku Corporation,Tokyo,Japan. 
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.241
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             214
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.174
_refine_diff_density_min         -0.190
_refine_diff_density_rms         0.046
_refine_ls_extinction_coef       0
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.969
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     138
_refine_ls_number_reflns         2442
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.969
_refine_ls_R_factor_all          0.1990
_refine_ls_R_factor_gt           0.0896
_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^)+(0.0063P)^2^+0.7607P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1216
_refine_ls_wR_factor_ref         0.1526
_reflns_number_gt                1102
_reflns_number_total             2442
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic900673s_si_001_2.cif
_cod_data_source_block           z1
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_original_cell_volume        535.28(18)
_cod_database_code               4302844