Electron Distribution in the Nonclassical Bis(dithiolene) Electron Transfer Series [M(CO)2(S2C2Me2)2]0/1-/2- (M = Mo, W): Assessment by Structural, Spectroscopic, and Density Functional Theory Results
Dmitry V. Fomitchev; Booyong S. Lim; R. H. Holm; Inorganic Chemistry 40 (2001) 645–654; doi:10.1021/ic001046w

data_4319261
_publ_contact_author
;
       R.H. Holm
       Department of Chemistry and Chemical Biology
       Harvard University
       Cambridge, MA 02138
       USA
;
_publ_contact_author_email       holm@chemistry.harvard.edu
_publ_contact_author_fax         '+1 (617) 496-9289'
_publ_contact_author_phone       '+1 (617) 495-0853'
_publ_section_title
;
 Electron Distribution in the Nonclassical Bis(dithiolene) Electron
 Transfer Series [M(CO)2(S2C2Me2)2]0/1-/2- (M = Mo, W): Assessment by
 Structural, Spectroscopic, and Density Functional Theory Results
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              645
_journal_page_last               654
_journal_paper_doi               10.1021/ic001046w
_journal_volume                  40
_journal_year                    2001
_chemical_formula_sum            'C26 H52 N2 O2 S4 W'
_chemical_formula_weight         736.79
_chemical_name_systematic
; 
 ? 
;
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 113.4720(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.4185(10)
_cell_length_b                   13.8166(10)
_cell_length_c                   18.0792(16)
_cell_measurement_temperature    233(2)
_cell_volume                     3303.6(4)
_computing_cell_refinement       SMART
_computing_data_collection       SMART
_computing_data_reduction        SAINT
_computing_molecular_graphics    SHELXTL
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  'Bruker SMART CCD area detector system'
_diffrn_measurement_method       'rotation around \o axis, 0.3 deg/frame'
_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  0.1006
_diffrn_reflns_av_sigmaI/netI    0.0754
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            21286
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.54
_exptl_absorpt_coefficient_mu    3.773
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'performed by SADABS'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.481
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1504
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.110
_exptl_crystal_size_min          0.030
_refine_diff_density_max         1.016
_refine_diff_density_min         -1.828
_refine_diff_density_rms         0.175
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.134
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     317
_refine_ls_number_reflns         7980
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.134
_refine_ls_R_factor_all          0.0468
_refine_ls_R_factor_gt           0.0330
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0393P)^2^+4.5517P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0875
_refine_ls_wR_factor_ref         0.1050
_reflns_number_gt                6485
_reflns_number_total             7980
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic001046w_4.cif
_cod_data_source_block           '[Et4N]2[6]'
_cod_original_sg_symbol_H-M      'P 1 21/c 1'
_cod_database_code               4319261