; Organometallics  (2005) –; doi:10.1021/om049263i

data_4060146
_journal_name_full               Organometallics
_journal_paper_doi               10.1021/om049263i
_journal_year                    2005
_chemical_formula_sum            'C41 H62 B Mg N3 O'
_chemical_formula_weight         648.06
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 95.198(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.7140(10)
_cell_length_b                   20.926(2)
_cell_length_c                   16.015(3)
_cell_measurement_reflns_used    ?
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1.6
_cell_volume                     3909.6(9)
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean ?
_diffrn_measurement_device_type  'Kappa CCD (Nonius, FR540C)'
_diffrn_measurement_method       'CCD rotation images, thick slices'
_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  0.0490
_diffrn_reflns_av_sigmaI/netI    0.0413
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            32989
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         1.61
_diffrn_standards_decay_%        'no decay'
_diffrn_standards_interval_count ?
_diffrn_standards_interval_time  ?
_diffrn_standards_number         ?
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  0.9937
_exptl_absorpt_correction_T_min  0.9844
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   'HKL Scalepack (Otwinowski & Minor 1997)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.101
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1416
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.08
_refine_ls_extinction_coef       ?
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.992
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     424
_refine_ls_number_reflns         8950
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.992
_refine_ls_R_factor_all          0.0733
_refine_ls_R_factor_gt           0.0468
_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^)+(0.1160P)^2^+0.1688P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1413
_refine_ls_wR_factor_ref         0.1646
_reflns_number_gt                6500
_reflns_number_total             8950
_reflns_threshold_expression     >2sigma(I)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4060146