Carboranylamidinates
Peter Dröse; Cristian G. Hrib; Frank T. Edelmann; Journal of the American Chemical Society 132 (2010) 15540–15541; doi:10.1021/ja108051u

data_4103466
_publ_section_title
;
 Carboranylamidinates
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15540
_journal_page_last               15541
_journal_paper_doi               10.1021/ja108051u
_journal_volume                  132
_journal_year                    2010
_chemical_formula_sum            'C18 H48 B20 N4 Sn'
_chemical_formula_weight         655.49
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 101.30(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   22.790(5)
_cell_length_b                   7.8311(16)
_cell_length_c                   19.215(4)
_cell_measurement_reflns_used    17450
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      29.58
_cell_measurement_theta_min      2.16
_cell_volume                     3362.8(13)
_computing_cell_refinement       'STOE X-AREA'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      133(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'STOE IPDS 2T'
_diffrn_measurement_method       'rotation method'
_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  0.0535
_diffrn_reflns_av_sigmaI/netI    0.0518
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            10800
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         2.54
_exptl_absorpt_coefficient_mu    0.780
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.295
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1336
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.927
_refine_diff_density_min         -1.525
_refine_diff_density_rms         0.093
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.085
_refine_ls_hydrogen_treatment    'methyls rigid and other riding'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     203
_refine_ls_number_reflns         4134
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.085
_refine_ls_R_factor_all          0.0493
_refine_ls_R_factor_gt           0.0386
_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^)+(0.0426P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0780
_refine_ls_wR_factor_ref         0.0806
_reflns_number_gt                3666
_reflns_number_total             4134
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja108051u_si_004.cif
_cod_data_source_block           ip111
_cod_original_cell_volume        3362.8(12)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4103466