Oxidative Decarbonylation of m-Terphenyl Isocyanide Complexes of Molybdenum and Tungsten: Precursors to Low-Coordinate Isocyanide Complexes
Treffly B. Ditri; Curtis E. Moore; Arnold L. Rheingold; Joshua S. Figueroa; Inorganic Chemistry 50 (2011) 10448–10459; doi:10.1021/ic2015868

data_4326573
_publ_section_title
;
 Oxidative Decarbonylation of m-Terphenyl Isocyanide Complexes of
 Molybdenum and Tungsten: Precursors to Low-Coordinate Isocyanide
 Complexes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              10448
_journal_page_last               10459
_journal_paper_doi               10.1021/ic2015868
_journal_volume                  50
_journal_year                    2011
_chemical_formula_sum            'C68 H80 N2 O6 W'
_chemical_formula_weight         1205.19
_chemical_name_common            W(CO)2(O2CMe)2(CNArDipp2)2
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                94.5690(10)
_cell_angle_beta                 90.2100(10)
_cell_angle_gamma                101.2740(10)
_cell_formula_units_Z            4
_cell_length_a                   12.7672(9)
_cell_length_b                   18.9332(14)
_cell_length_c                   26.1549(19)
_cell_measurement_reflns_used    566
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      20.69
_cell_measurement_theta_min      2.33
_cell_volume                     6179.4(8)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.914
_diffrn_measurement_device_type  'Bruker APEX-II 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  0.0587
_diffrn_reflns_av_sigmaI/netI    0.0767
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            91347
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.33
_diffrn_reflns_theta_min         1.30
_exptl_absorpt_coefficient_mu    1.920
_exptl_absorpt_correction_T_max  0.7884
_exptl_absorpt_correction_T_min  0.6885
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.295
_exptl_crystal_description       block
_exptl_crystal_F_000             2496
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.976
_refine_diff_density_min         -1.607
_refine_diff_density_rms         0.131
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1424
_refine_ls_number_reflns         28160
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.0717
_refine_ls_R_factor_gt           0.0370
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0417P)^2^+0.3059P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0773
_refine_ls_wR_factor_ref         0.0923
_reflns_number_gt                19500
_reflns_number_total             28160
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic2015868_si_001_08.cif
_cod_data_source_block           W(CO)2(O2CMe)2(CNArDipp2)2
_cod_database_code               4326573