Highly Efficient Large Bite Angle Diphosphine Substituted Molybdenum Catalyst for Hydrosilylation
Chakraborty, Subrata; Blacque, Olivier; Fox, Thomas; Berke, Heinz; ACS Catalysis 3 (2013) 2208–; doi:10.1021/cs4004276

data_4508366
_publ_section_title
;
 Highly Efficient Large Bite Angle Diphosphine Substituted Molybdenum
 Catalyst for Hydrosilylation
;
_journal_issue                   10
_journal_name_full               'ACS Catalysis'
_journal_page_first              2208
_journal_paper_doi               10.1021/cs4004276
_journal_volume                  3
_journal_year                    2013
_chemical_formula_moiety
'C76 H62 Cl2 Mo2 N4 O4 P4, 2(C32 H12 B F24), C5 H12, C6 H5 Cl'
_chemical_formula_sum            'C151 H103 B2 Cl3 F48 Mo2 N4 O4 P4'
_chemical_formula_weight         3393.10
_chemical_name_systematic
;Bis(acetonitrile)(di-\m-chloro)bis(nitrosyl){bis[oxydibenzene-2,1-diyl)bis(diphenylphosphane-\k<i>P</i>)]}dimolybdenum
bis{tetrakis[3'5-bis(trifluoromethyl)phenyl]borate} chlorobenzene pentane
solvate
;
_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                105.257(7)
_cell_angle_beta                 115.011(7)
_cell_angle_gamma                98.938(5)
_cell_formula_units_Z            1
_cell_length_a                   16.0776(9)
_cell_length_b                   17.0716(13)
_cell_length_c                   18.0135(14)
_cell_measurement_reflns_used    8994
_cell_measurement_temperature    183(2)
_cell_measurement_theta_max      29.43
_cell_measurement_theta_min      2.77
_cell_volume                     4116.7(6)
_computing_cell_refinement
;
CrysAlisPro, Version 1.171.33.55 (Oxford Diffraction, 2010).
;
_computing_data_collection
;
CrysAlisPro, Version 1.171.33.55 (Oxford Diffraction, 2010).
;
_computing_data_reduction
;
CrysAlisPro, Version 1.171.33.55 (Oxford Diffraction, 2010).
;
_computing_molecular_graphics
; ORTEP-3 for Windows.
  Farrugia, L. J. (1997). J. Appl. Cryst. 30, 565.
;
_computing_publication_material
; WinGX -- Farrugia, L. J. (1999). J. Appl. Cryst. 32, 837-838.
 SHELXL97 -- Sheldrick, G. M (2008). Acta Cryst. A64, 112-122.
 PLATON for Windows -- Spek, A. L. (2003). J. Appl. Cryst. 36, 7-13. 
;
_computing_structure_refinement
; SHELXL97. Program for crystal structure refinement.
  Sheldrick, G.M. (2008). Acta Cryst. A64, 112-122.
;
_computing_structure_solution
; SHELXS97. Program for Crystal Structure solution.
  Sheldrick, G.M. (2008). Acta Cryst. A64, 112-122.  
;
_diffrn_ambient_temperature      183(2)
_diffrn_detector_area_resol_mean 10.4498
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type
; Goniometer Xcalibur, detector: Ruby
Oxford Diffraction (2007). Oxford Diffraction Ltd.,
Xcalibur CCD system
;
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0745
_diffrn_reflns_av_sigmaI/netI    0.0916
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            43069
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.82
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.344
_exptl_absorpt_correction_T_max  0.978
_exptl_absorpt_correction_T_min  0.914
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Version 1.171.33.55 (Oxford Diffraction, 2010)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.369
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1706
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.06
_refine_diff_density_max         6.031
_refine_diff_density_min         -1.128
_refine_diff_density_rms         0.179
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.179
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1064
_refine_ls_number_reflns         14519
_refine_ls_number_restraints     238
_refine_ls_restrained_S_all      1.199
_refine_ls_R_factor_all          0.1467
_refine_ls_R_factor_gt           0.1156
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.2000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2968
_refine_ls_wR_factor_ref         0.3276
_reflns_number_gt                10291
_reflns_number_total             14519
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cs4004276_si_004.cif
_cod_data_source_block           4t(CCDC-921398)
_cod_database_code               4508366