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

data_4103467
_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 H50 B20 Cr N4'
_chemical_formula_weight         590.82
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           13
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yac'
_symmetry_space_group_name_H-M   'P 1 2/n 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                 103.10(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.749(3)
_cell_length_b                   8.1504(16)
_cell_length_c                   15.296(3)
_cell_measurement_reflns_used    16547
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      29.55
_cell_measurement_theta_min      2.26
_cell_volume                     1669.5(6)
_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 0.971
_diffrn_measured_fraction_theta_max 0.972
_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  0.0859
_diffrn_reflns_av_sigmaI/netI    0.0629
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            9177
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         2.26
_exptl_absorpt_coefficient_mu    0.363
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.175
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             620
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.486
_refine_diff_density_min         -0.324
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.104
_refine_ls_hydrogen_treatment    'methyls rigid and other riding'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     203
_refine_ls_number_reflns         4036
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.104
_refine_ls_R_factor_all          0.0820
_refine_ls_R_factor_gt           0.0621
_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^)+(0.0505P)^2^+1.6868P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1280
_refine_ls_wR_factor_ref         0.1360
_reflns_number_gt                3353
_reflns_number_total             4036
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja108051u_si_005.cif
_cod_data_source_block           ip109
_cod_original_cell_volume        1669.4(6)
_cod_original_sg_symbol_H-M      'P 2/n'
_cod_database_code               4103467