Symmetry and Geometry Considerations of Atom Transfer: Deoxygenation of (silox)3WNO and R3PO (R = Me, Ph,tBu) by (silox)3M (M = V, NbL (L = PMe3, 4-Picoline), Ta; silox =tBu3SiO)
Adam S. Veige; LeGrande M. Slaughter; Emil B. Lobkovsky; Peter T. Wolczanski; Nikita Matsunaga; Stephen A. Decker; Thomas R. Cundari; Inorganic Chemistry 42 (2003) 6204–6224; doi:10.1021/ic0300114

data_4314299
_publ_section_title
;
 Symmetry and Geometry Considerations of Atom Transfer: Deoxygenation of
 (silox)3WNO and R3PO (R = Me, Ph,tBu) by (silox)3M (M = V, NbL (L = PMe3,
 4-Picoline), Ta; silox =tBu3SiO)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6204
_journal_page_last               6224
_journal_paper_doi               10.1021/ic0300114
_journal_volume                  42
_journal_year                    2003
_chemical_formula_sum            'C48 H108 O4 P Si3 V'
_chemical_formula_weight         915.52
_space_group_IT_number           159
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'P 3 -2c'
_symmetry_space_group_name_H-M   'P 3 1 c'
_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            2
_cell_length_a                   16.587(7)
_cell_length_b                   16.587(7)
_cell_length_c                   12.883(7)
_cell_measurement_temperature    173(2)
_cell_volume                     3070(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      173(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker 1K CCD area detector'
_diffrn_measurement_method       '0.3 deg. omega scans'
_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  0.0806
_diffrn_reflns_av_sigmaI/netI    0.0518
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            15528
_diffrn_reflns_theta_full        21.94
_diffrn_reflns_theta_max         21.94
_diffrn_reflns_theta_min         1.58
_exptl_absorpt_coefficient_mu    0.279
_exptl_absorpt_correction_T_max  0.9862
_exptl_absorpt_correction_T_min  0.7462
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    0.991
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.463
_refine_diff_density_min         -0.489
_refine_diff_density_rms         0.111
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.45(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     173
_refine_ls_number_reflns         2504
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0817
_refine_ls_R_factor_gt           0.0735
_refine_ls_shift/su_max          0.165
_refine_ls_shift/su_mean         0.033
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1602P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1965
_refine_ls_wR_factor_ref         0.2043
_reflns_number_gt                2274
_reflns_number_total             2504
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0300114_2.cif
_cod_data_source_block           asv700
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4314299