Synthesis and Structures of Bis(dithiolene)molybdenum Complexes Related to the Active Sites of the DMSO Reductase Enzyme Family
Booyong S. Lim; James P. Donahue; R. H. Holm; Inorganic Chemistry 39 (2000) 263–273; doi:10.1021/ic9908672

data_4300128
_publ_contact_author             R.H.Holm
_publ_contact_author_address
;
   R.H.Holm
   Dept. of Chemistry and Chemical Biology 
   Harvard University 
   Cambridge, MA 02138
   USA
;
_publ_contact_author_email       holm@chemistry.harvard.edu
_publ_section_title
;
Synthesis and Structures of Bis(dithiolene)molybdenum Complexes Related to
the Active Sites of the DMSO Reductase Enzyme Family
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              263
_journal_page_last               273
_journal_volume                  39
_journal_year                    2000
_chemical_formula_sum            'C51 H63 Mo N S5'
_chemical_formula_weight         946.26
_chemical_name_systematic
; 
 [Mo(SC6H2-2,4,6-Pri3)(S2C2Ph2)2](Et4N)
;
_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                 113.314(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.4054(18)
_cell_length_b                   15.2554(12)
_cell_length_c                   19.4653(16)
_cell_measurement_temperature    213(2)
_cell_volume                     5019.2(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      213(2)
_diffrn_measured_fraction_theta_full 0.969
_diffrn_measured_fraction_theta_max 0.969
_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  0.0469
_diffrn_reflns_av_sigmaI/netI    0.0694
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            32413
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.20
_exptl_absorpt_coefficient_mu    0.502
_exptl_crystal_colour            red-brown
_exptl_crystal_density_diffrn    1.252
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       bar
_exptl_crystal_F_000             1992
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.404
_refine_diff_density_min         -0.445
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     523
_refine_ls_number_reflns         12072
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0795
_refine_ls_R_factor_gt           0.0381
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0300P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0724
_refine_ls_wR_factor_ref         0.0811
_reflns_number_gt                7892
_reflns_number_total             12072
_reflns_threshold_expression     >2sigma(I)
_cod_database_code               4300128
_journal_paper_doi 10.1021/ic9908672