Ruthenium Hydride Complexes of 1,2-Dicyclohexylimidazol-2-ylidene
Burling, Suzanne; Kociok-Köhn, Gabriele; Mahon, Mary F.; Whittlesey, Michael K.; Williams, Jonathan M. J.; Organometallics 24 (2005) 5868–; doi:10.1021/om050600c

data_4076116
_publ_section_title
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 Ruthenium Hydride Complexes of 1,2-Dicyclohexylimidazol-2-ylidene
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_journal_issue                   24
_journal_name_full               Organometallics
_journal_page_first              5868
_journal_paper_doi               10.1021/om050600c
_journal_volume                  24
_journal_year                    2005
_chemical_formula_sum            'C52 H56 N2 O P2 Ru'
_chemical_formula_weight         888.00
_chemical_name_systematic
;
 ?
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_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                 91.2580(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.09300(10)
_cell_length_b                   23.9540(3)
_cell_length_c                   20.5920(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      18
_cell_measurement_theta_min      12
_cell_volume                     4484.14(10)
_computing_cell_refinement       'Nonius CAD4 software'
_computing_data_collection       'Nonius CAD4 software'
_computing_data_reduction        'XCAD (P.McArdle, 2000)'
_computing_molecular_graphics    'ORTEX (P.McArdle, 1995)'
_computing_publication_material  'SHELXL-97/2 (Sheldrick,1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  '4-circle diffractometer'
_diffrn_measurement_method       'scintillation counter'
_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  0.0789
_diffrn_reflns_av_sigmaI/netI    0.1062
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            21109
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         3.76
_exptl_absorpt_coefficient_mu    0.461
_exptl_absorpt_correction_T_max  0.935
_exptl_absorpt_correction_T_min  0.834
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.315
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             1856
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.613
_refine_diff_density_min         -0.614
_refine_diff_density_rms         0.090
_refine_ls_extinction_coef       0.0010(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.107
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     564
_refine_ls_number_reflns         10716
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.107
_refine_ls_R_factor_all          0.1381
_refine_ls_R_factor_gt           0.0742
_refine_ls_shift/su_max          0.027
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0228P)^2^+14.4116P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1360
_refine_ls_wR_factor_ref         0.1531
_reflns_number_gt                6508
_reflns_number_total             10716
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om050600csi20050719_022159.cif
_cod_data_source_block           c:\x-ray\helix\h04mkw3\maxus\h04mkw3
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multiscan'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4076116