Insertion, coupling and elimination processes in the reactions of the unsaturated alkyl-bridged complexes [Mo2(η(5)-C5H5)2(μ-CH2R)(μ-PCy2)(CO)2] (R = H, Ph) with isocyanides and secondary phosphines.
Alvarez, M. Angeles; García, M Esther; García-Vivó, Daniel; Martínez, M Eugenia; Ramos, Alberto; Ruiz, Miguel A.; Dalton transactions (Cambridge, England : 2003) 43 (2014) 7780–7794; doi:10.1039/c4dt00398e

data_7029616
_publ_section_title
;
 Insertion, coupling and elimination processes in the reactions of the
 unsaturated alkyl-bridged complexes
 [Mo2(\h(5)-C5H5)2(\m-CH2R)(\m-PCy2)(CO)2] (R = H, Ph) with isocyanides
 and secondary phosphines.
;
_journal_issue                   21
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7780
_journal_page_last               7794
_journal_paper_doi               10.1039/c4dt00398e
_journal_volume                  43
_journal_year                    2014
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C44 H64 Mo4 O4 P2'
_chemical_formula_sum            'C44 H64 Mo4 O4 P2'
_chemical_formula_weight         1102.65
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 91.6030(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.2152(2)
_cell_length_b                   9.9810(2)
_cell_length_c                   20.4373(5)
_cell_measurement_reflns_used    18223
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.350
_cell_measurement_theta_min      0.407
_cell_measurement_wavelength     0.71073
_cell_volume                     2082.93(8)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction
;
 HKL Denzo and Scalepack (Otwinowski & Minor, 1997) 
;
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       '90 mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  'horizontally mounted graphite crystal'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0232
_diffrn_reflns_av_unetI/netI     0.0228
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            12708
_diffrn_reflns_theta_full        25.24
_diffrn_reflns_theta_max         25.24
_diffrn_reflns_theta_min         1.99
_exptl_absorpt_coefficient_mu    1.296
_exptl_absorpt_correction_T_max  0.7977
_exptl_absorpt_correction_T_min  0.7092
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 R.H. Blessing, Acta Cryst. (1995), A51, 33-38
;
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.758
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1116
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.941
_refine_diff_density_min         -1.889
_refine_diff_density_rms         0.477
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.418
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         3756
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.418
_refine_ls_R_factor_all          0.0311
_refine_ls_R_factor_gt           0.0224
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0611P)^2^+0.7904P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0803
_refine_ls_wR_factor_ref         0.1075
_reflns_number_gt                3537
_reflns_number_total             3756
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt00398e2.cif
_cod_data_source_block           compound9
_cod_depositor_comments
'Adding full bibliography for 7029616--7029618.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7029616