Carbene- and carbyne-like behavior of the Mo-P multiple bond in a dimolybdenum complex inducing trigonal-pyramidal coordination of a phosphinidene ligand.
Alvarez, M. Angeles; Amor, Inmaculada; García, M Esther; García-Vivó, Daniel; Ruiz, Miguel A.; Inorganic chemistry 46 (2007) 6230–6232; doi:10.1021/ic701055y

data_4339219
_publ_section_title
;
 Carbene- and carbyne-like behavior of the Mo-P multiple bond in a
 dimolybdenum complex inducing trigonal-pyramidal coordination of a
 phosphinidene ligand.
;
_journal_issue                   16
_journal_name_full               'Inorganic chemistry'
_journal_page_first              6230
_journal_page_last               6232
_journal_paper_doi               10.1021/ic701055y
_journal_volume                  46
_journal_year                    2007
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C34 H39 Fe1 Mo2 O6 P1'
_chemical_formula_sum            'C34 H39 Fe Mo2 O6 P'
_chemical_formula_weight         822.35
_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      2.2
_audit_creation_date             2005-11-10T12:10:48-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 116.633(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.4010(2)
_cell_length_b                   14.8569(3)
_cell_length_c                   20.2993(5)
_cell_measurement_reflns_used    5677
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      70.0
_cell_measurement_theta_min      2.0
_cell_measurement_wavelength     1.5418
_cell_volume                     3343.13(13)
_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      150(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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           CuK\a
_diffrn_radiation_wavelength     1.5418
_diffrn_reflns_av_R_equivalents  0.0529
_diffrn_reflns_av_unetI/netI     0.0366
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            39602
_diffrn_reflns_theta_full        68.79
_diffrn_reflns_theta_max         68.79
_diffrn_reflns_theta_min         3.85
_exptl_absorpt_coefficient_mu    10.288
_exptl_absorpt_correction_T_max  1.580
_exptl_absorpt_correction_T_min  0.651
_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    1.634
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1664
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.915
_refine_diff_density_min         -0.715
_refine_diff_density_rms         0.105
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     406
_refine_ls_number_reflns         6134
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0343
_refine_ls_R_factor_gt           0.0331
_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^)+(0.0475P)^2^+4.9877P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0864
_refine_ls_wR_factor_ref         0.0888
_reflns_number_gt                5863
_reflns_number_total             6134
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic701055y-file003.cif
_cod_data_source_block           compound5
_cod_original_cell_volume        3343.13(12)
_cod_original_formula_sum        'C34 H39 Fe1 Mo2 O6 P1'
_cod_database_code               4339219