Synthesis of [(DPPNCH2CH2)3N]3- Molybdenum Complexes (DPP = 3,5-(2,5-Diisopropylpyrrolyl)2C6H3) and Studies Relevant to Catalytic Reduction of Dinitrogen
Michael R. Reithofer; Richard R. Schrock; Peter Müller; Journal of the American Chemical Society 132 (2010) 8349–8358; doi:10.1021/ja1008213

data_4102555
_publ_section_title
;
 Synthesis of [(DPPNCH2CH2)3N]3- Molybdenum Complexes (DPP =
 3,5-(2,5-Diisopropylpyrrolyl)2C6H3) and Studies Relevant to Catalytic
 Reduction of Dinitrogen
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8349
_journal_page_last               8358
_journal_paper_doi               10.1021/ja1008213
_journal_volume                  132
_journal_year                    2010
_chemical_formula_sum            'C93 H126 Mo N11'
_chemical_formula_weight         1493.99
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 116.633(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   30.239(4)
_cell_length_b                   23.407(3)
_cell_length_c                   27.664(3)
_cell_measurement_reflns_used    9658
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      24.56
_cell_measurement_theta_min      2.20
_cell_volume                     17503(4)
_computing_cell_refinement       'SAINT 7.46A (Bruker-AXS, 2008)'
_computing_data_collection       'APEX2 3.0 (Bruker-AXS, 2008)'
_computing_data_reduction        'SAINT 7.46A (Bruker-AXS, 2008)'
_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_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker Smart APEX CCD'
_diffrn_measurement_method       'omega and phi 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  0.1236
_diffrn_reflns_av_sigmaI/netI    0.0624
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            302543
_diffrn_reflns_theta_full        24.73
_diffrn_reflns_theta_max         24.73
_diffrn_reflns_theta_min         1.15
_exptl_absorpt_coefficient_mu    0.199
_exptl_absorpt_correction_T_max  0.9765
_exptl_absorpt_correction_T_min  0.9281
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.134
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             6424
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.909
_refine_diff_density_min         -0.867
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     2368
_refine_ls_number_reflns         29768
_refine_ls_number_restraints     9035
_refine_ls_restrained_S_all      0.969
_refine_ls_R_factor_all          0.1030
_refine_ls_R_factor_gt           0.0530
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0534P)^2^+28.1284P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1193
_refine_ls_wR_factor_ref         0.1497
_reflns_number_gt                18836
_reflns_number_total             29768
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja1008213_si_004.cif
_cod_data_source_block           09061
_cod_original_cell_volume        17503(3)
_cod_database_code               4102555