Bridging Azines in the Coordination Sphere of Low-Valent Vanadocene Derivatives†
Jordan, Markus; Saak, Wolfgang; Haase, Detlev; Beckhaus, Rüdiger; Organometallics 29 (2010) 5859–; doi:10.1021/om100612e

data_4066763
_publ_section_title
;
 Bridging Azines in the Coordination Sphere of Low-Valent Vanadocene
 Derivatives&#x2020;
;
_journal_issue                   22
_journal_name_full               Organometallics
_journal_page_first              5859
_journal_paper_doi               10.1021/om100612e
_journal_volume                  29
_journal_year                    2010
_chemical_formula_sum            'C51 H61 B N2 V'
_chemical_formula_weight         763.77
_chemical_name_systematic
; 
 ? 
;
_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                 98.171(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   33.756(3)
_cell_length_b                   10.8801(5)
_cell_length_c                   23.7656(12)
_cell_measurement_temperature    153(2)
_cell_volume                     8639.8(10)
_computing_cell_refinement       'IPDS (Stoe, 1999)'
_computing_data_collection       'IPDS (Stoe, 1999)'
_computing_data_reduction        'XRED (Stoe, 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'SHELX-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Stoe IPDS'
_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  0.1333
_diffrn_reflns_av_sigmaI/netI    0.2251
_diffrn_reflns_limit_h_max       41
_diffrn_reflns_limit_h_min       -41
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            75352
_diffrn_reflns_theta_full        26.14
_diffrn_reflns_theta_max         26.14
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    0.266
_exptl_absorpt_correction_T_max  0.9868
_exptl_absorpt_correction_T_min  0.8568
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'XRED (Stoe, 1997)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.174
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             3272
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.900
_refine_diff_density_min         -0.381
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.641
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     995
_refine_ls_number_reflns         17147
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      0.640
_refine_ls_R_factor_all          0.1334
_refine_ls_R_factor_gt           0.0428
_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^)+(0.0319P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0845
_refine_ls_wR_factor_ref         0.0975
_reflns_number_gt                6292
_reflns_number_total             17147
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100612e_si_002.cif
_cod_data_source_block           20
_cod_original_cell_volume        8639.6(9)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4066763