Catalytic Formation of Ammonia from Molecular Dinitrogen by Use of Dinitrogen-Bridged Dimolybdenum-Dinitrogen Complexes Bearing PNP-Pincer Ligands: Remarkable Effect of Substituent at PNP-Pincer Ligand.
Kuriyama, Shogo; Arashiba, Kazuya; Nakajima, Kazunari; Tanaka, Hiromasa; Kamaru, Nobuaki; Yoshizawa, Kazunari; Nishibayashi, Yoshiaki; Journal of the American Chemical Society 136 (2014) 9719–9731; doi:10.1021/ja5044243

data_4122101
_publ_section_title
;
 Catalytic Formation of Ammonia from Molecular Dinitrogen by Use of
 Dinitrogen-Bridged Dimolybdenum-Dinitrogen Complexes Bearing PNP-Pincer
 Ligands: Remarkable Effect of Substituent at PNP-Pincer Ligand.
;
_journal_issue                   27
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9719
_journal_page_last               9731
_journal_paper_doi               10.1021/ja5044243
_journal_volume                  136
_journal_year                    2014
_chemical_absolute_configuration 'CHOOSE rm ad rmad syn or unk'
_chemical_formula_moiety         'C24 H45 Cl3 Mo N P2 '
_chemical_formula_sum            'C24 H45 Cl3 Mo N P2'
_chemical_formula_weight         611.87
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   13.2161(6)
_cell_length_b                   14.3784(8)
_cell_length_c                   15.8066(7)
_cell_measurement_reflns_used    27147
_cell_measurement_temperature    173.1
_cell_measurement_theta_max      27.4
_cell_measurement_theta_min      3.0
_cell_volume                     3003.7(3)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure 3.8'
_computing_structure_refinement  CRYSTALS
_computing_structure_solution    SIR97
_diffrn_ambient_temperature      173.1
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.023
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            29024
_diffrn_reflns_theta_full        27.43
_diffrn_reflns_theta_max         27.43
_exptl_absorpt_coefficient_mu    0.822
_exptl_absorpt_correction_T_max  0.848
_exptl_absorpt_correction_T_min  0.699
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
    Higashi, T. (1995). Program for Absorption Correction.
    Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.353
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1276.00
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.69
_refine_diff_density_min         -0.72
_refine_ls_abs_structure_details
'Flack, H. D. (1983), Acta Cryst. A39, 876-881.  3019 Friedel Pairs'
_refine_ls_abs_structure_Flack   0.28(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    refall
_refine_ls_number_parameters     326
_refine_ls_number_reflns         6838
_refine_ls_R_factor_gt           0.0273
_refine_ls_shift/su_max          0.0000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details     'w = 1/[4.0000\s(Fo^2^)]/(4Fo^2^)'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0743
_reflns_number_gt                6434
_reflns_number_total             6838
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ja5044243_si_002.cif
_cod_data_source_block           '[MoCl3(3e)]_(2e)'
_cod_depositor_comments
'Adding full bibliography for 4122097--4122101.cif.'
_cod_original_formula_sum        'C24 H45 Cl3 Mo N P2 '
_cod_database_code               4122101