Boron‒nitrogen analogues of the fluorenyl anion
Mansell, Stephen M.; Norman, Nicholas C.; Russell, Christopher A.; Dalton Transactions 39 (2010) 5084–; doi:10.1039/c0dt00028k

data_7025858
_publ_section_title
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 Boron--nitrogen analogues of the fluorenyl anion
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_journal_issue                   21
_journal_name_full               'Dalton Transactions'
_journal_page_first              5084
_journal_paper_doi               10.1039/c0dt00028k
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C10 H8 B Cl N2'
_chemical_formula_sum            'C10 H8 B Cl N2'
_chemical_formula_weight         202.44
_chemical_name_systematic
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?
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_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                 90.269(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   3.84030(10)
_cell_length_b                   14.0971(4)
_cell_length_c                   16.9200(5)
_cell_measurement_reflns_used    5558
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.3015
_cell_measurement_theta_min      2.808
_cell_volume                     915.99(4)
_computing_cell_refinement       'APEX-II and SAINT (Bruker, 2001)'
_computing_data_collection       'APEX-II (Bruker, 2004)'
_computing_data_reduction        'SAINT v7.51A (BRUKER)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean '4096x4096pixels / 62x62mm'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker Kappa-APEX-II area-detector'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0360
_diffrn_reflns_av_sigmaI/netI    0.0234
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            14435
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    0.368
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6264
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS-2008/1 - Bruker AXS'
_exptl_crystal_colour            Orange
_exptl_crystal_density_diffrn    1.468
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             416
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.302
_refine_diff_density_min         -0.207
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     127
_refine_ls_number_reflns         2072
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0368
_refine_ls_R_factor_gt           0.0298
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0307P)^2^+0.4906P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0722
_refine_ls_wR_factor_ref         0.0761
_reflns_number_gt                1799
_reflns_number_total             2072
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00028k.txt
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
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_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7025858