Synthesis and Characterization of Volatile, Thermally Stable, Reactive Transition Metal Amidinates
Booyong S. Lim; Antti Rahtu; Jin-Seong Park; Roy G. Gordon; Inorganic Chemistry 42 (2003) 7951–7958; doi:10.1021/ic0345424

data_4312579
_publ_section_title
;
 Synthesis and Characterization of Volatile, Thermally Stable, Reactive
 Transition Metal Amidinates
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7951
_journal_page_last               7958
_journal_paper_doi               10.1021/ic0345424
_journal_volume                  42
_journal_year                    2003
_chemical_formula_sum            'C24 H54 N6 V'
_chemical_formula_weight         477.67
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           160
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  'R 3 -2"'
_symmetry_space_group_name_H-M   'R 3 m :H'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            3
_cell_length_a                   16.205(3)
_cell_length_b                   16.205(3)
_cell_length_c                   9.355(2)
_cell_measurement_temperature    293(2)
_cell_volume                     2127.5(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0704
_diffrn_reflns_av_sigmaI/netI    0.0349
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            6506
_diffrn_reflns_theta_full        28.23
_diffrn_reflns_theta_max         28.23
_diffrn_reflns_theta_min         2.51
_exptl_absorpt_coefficient_mu    0.370
_exptl_crystal_density_diffrn    1.118
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             789
_refine_diff_density_max         0.375
_refine_diff_density_min         -0.175
_refine_diff_density_rms         0.048
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.58(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     112
_refine_ls_number_reflns         1281
_refine_ls_number_restraints     68
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0438
_refine_ls_R_factor_gt           0.0427
_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^)+(0.0813P)^2^+0.6233P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1135
_refine_ls_wR_factor_ref         0.1146
_reflns_number_gt                1262
_reflns_number_total             1281
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0345424si20030519_012930_1.cif
_cod_data_source_block           '[V(iPr-MeAMD)3],2'
_cod_original_cell_volume        2127.6(7)
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_database_code               4312579