Dihydrogen Activation by a Diruthenium Analogue of the Fe-Only Hydrogenase Active Site
Aaron K. Justice; Rachel C. Linck; Thomas B. Rauchfuss; Scott R. Wilson; Journal of the American Chemical Society 126 (2004) 13214–13215; doi:10.1021/ja0455594

data_4113042
_publ_contact_author
; 
Scott R. Wilson 
University of Illinois 
School of Chemical Sciences, Box 59-1 
505 South Mathews Avenue 
Urbana, Illinois  61801 
USA 
;
_publ_contact_author_email       srwilson@uiuc.edu
_publ_contact_author_fax         '1  217 244 8068'
_publ_contact_author_phone       '1  217 244 1708'
_publ_section_title
;
 Dihydrogen Activation by a Diruthenium Analogue of the Fe-Only
 Hydrogenase Active Site
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13214
_journal_page_last               13215
_journal_paper_doi               10.1021/ja0455594
_journal_volume                  126
_journal_year                    2004
_chemical_formula_moiety         'C43 H72 O4 P2 Ru2 S2'
_chemical_formula_sum            'C43 H72 O4 P2 Ru2 S2'
_chemical_formula_weight         981.21
_chemical_name_systematic
; 
? 
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
; 
2004-04-08   text and data added, rcl 
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   20.723(6)
_cell_length_b                   15.213(4)
_cell_length_c                   28.909(8)
_cell_measurement_reflns_used    1008
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      25.1
_cell_measurement_theta_min      2.4
_cell_volume                     9114(4)
_computing_cell_refinement       'SAINT V6.22 (Bruker, 2001)'
_computing_data_collection       'SMART V5.625 (Bruker, 2001)'
_computing_data_reduction        'SAINT V6.22 (Bruker, 2001)'
_computing_molecular_graphics    'SHELXTL V6.10 (Bruker, 2001)'
_computing_publication_material  'CIFTAB (Sheldrick, 2001)'
_computing_structure_refinement  'SHELXTL V6.10 (Bruker, 2001)'
_computing_structure_solution    'SHELXTL V6.10 (Bruker, 2001)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'Siemens Platform/CCD'
_diffrn_measurement_method       'profile data from \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_wavelength_id  p81ya
_diffrn_reflns_av_R_equivalents  0.1028
_diffrn_reflns_av_sigmaI/netI    0.0659
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            72714
_diffrn_reflns_theta_full        25.36
_diffrn_reflns_theta_max         25.36
_diffrn_reflns_theta_min         1.97
_diffrn_standards_decay_%        2.9
_diffrn_standards_interval_time  365
_diffrn_standards_number         290
_exptl_absorpt_coefficient_mu    0.863
_exptl_absorpt_correction_T_max  0.9657
_exptl_absorpt_correction_T_min  0.7361
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   '(Bruker, 2001)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.430
_exptl_crystal_description       platy
_exptl_crystal_F_000             4096
_exptl_crystal_id                p81ya
_exptl_crystal_preparation
; 
The data crystal was mounted using oil (Parantone-N, Exxon) to a 
0.3 mm cryo-loop (Hampton Research) with the (1 0 1) scattering planes 
roughly normal to the spindle axis. 
;
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.597
_refine_diff_density_min         -0.365
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.925
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     533
_refine_ls_number_reflns         8344
_refine_ls_number_restraints     205
_refine_ls_restrained_S_all      0.916
_refine_ls_R_factor_all          0.0623
_refine_ls_R_factor_gt           0.0324
_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^)+(0.0296P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0625
_refine_ls_wR_factor_ref         0.0680
_reflns_number_gt                5695
_reflns_number_total             8344
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja0455594si20040723_123420.cif
_cod_data_source_block           p81ya
_cod_original_sg_symbol_Hall     '-P 2ac 2ab '
_cod_original_sg_symbol_H-M      'P b c a '
_cod_database_code               4113042