A tungsten-mediated closed cycle of reactivity for the reduction of CO(2) to CO.
Jayarathne, Upul; Chandrasekaran, Perumalreddy; Jacobsen, Heiko; Mague, Joel T.; Donahue, James P.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 9662–9671; doi:10.1039/c0dt00489h

data_7026533
_publ_section_title
;
 A tungsten-mediated closed cycle of reactivity for the reduction of CO(2)
 to CO.
;
_journal_issue                   40
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9662
_journal_page_last               9671
_journal_paper_doi               10.1039/c0dt00489h
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C28 H32 Cl3 N P2 W'
_chemical_formula_sum            'C28 H32 Cl3 N P2 W'
_chemical_formula_weight         734.69
_chemical_name_systematic
;
trans-Trichloro(dimethylamido)bis(methyldiphenylphosphine)
tungsten(IV)
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     Patterson
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 93.997(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.8088(8)
_cell_length_b                   13.2473(8)
_cell_length_c                   16.0074(9)
_cell_measurement_reflns_used    9845
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.68
_cell_measurement_theta_min      2.43
_cell_volume                     2921.1(3)
_computing_cell_refinement       'Bruker SAINT (Bruker-AXS 2009a)'
_computing_data_collection       'Bruker APEX2 (Bruker-AXS, 2009)'
_computing_data_reduction        'Bruker SAINT (Bruker-AXS 2009a)'
_computing_molecular_graphics    'Bruker SHELXTL(Bruker-AXS 2008)'
_computing_publication_material  'Bruker SHELXTL(Bruker-AXS 2008)'
_computing_structure_refinement  'SHELXL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker Smart APEX CCD'
_diffrn_measurement_method       '\f and \w 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  0.0341
_diffrn_reflns_av_sigmaI/netI    0.0206
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            24988
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         2.13
_exptl_absorpt_coefficient_mu    4.357
_exptl_absorpt_correction_T_max  0.7925
_exptl_absorpt_correction_T_min  0.6553
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008a)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.671
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Column
_exptl_crystal_F_000             1448
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.837
_refine_diff_density_min         -0.396
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     162
_refine_ls_number_reflns         3526
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0192
_refine_ls_R_factor_gt           0.0161
_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^)+(0.0124P)^2^+3.1402P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0339
_refine_ls_wR_factor_ref         0.0350
_reflns_number_gt                3269
_reflns_number_total             3526
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00489h.txt
_cod_data_source_block           jpd349_0m
_cod_depositor_comments
;
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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7026533