Molybdenum 1,4-Diazabuta-1,3-diene Tricarbonyl Solvento Complexes Revisited: From Solvatochromism to Attractive Ligand-Ligand Interaction
Benjamin Oelkers; Alexander Venker; Jörg Sundermeyer; Inorganic Chemistry 51 (2012) 4636–4643; doi:10.1021/ic202517w

data_4328917
_publ_section_title
;
 Molybdenum 1,4-Diazabuta-1,3-diene Tricarbonyl Solvento Complexes
 Revisited: From Solvatochromism to Attractive Ligand-Ligand Interaction
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4636
_journal_page_last               4643
_journal_paper_doi               10.1021/ic202517w
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         '2(C24 H24 Mo N2 O4), C7 H8'
_chemical_formula_sum            'C55 H56 Mo2 N4 O8'
_chemical_formula_weight         1092.92
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 106.289(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.7021(5)
_cell_length_b                   25.3075(11)
_cell_length_c                   12.1383(8)
_cell_measurement_reflns_used    7447
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.25
_cell_measurement_theta_min      1.61
_cell_volume                     2565.9(3)
_computing_cell_refinement       'STOE X-AREA'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 2011)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR2004 (Giacovazzo et al, 2004)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'STOE IPDS 2'
_diffrn_measurement_method       'rotation method'
_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  0.0709
_diffrn_reflns_av_sigmaI/netI    0.1062
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            19256
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         26.74
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    0.546
_exptl_absorpt_correction_T_max  1.0727
_exptl_absorpt_correction_T_min  0.8083
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.415
_exptl_crystal_description       prism
_exptl_crystal_F_000             1124
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.560
_refine_diff_density_min         -0.471
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.782
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     350
_refine_ls_number_reflns         5417
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      0.781
_refine_ls_R_factor_all          0.0858
_refine_ls_R_factor_gt           0.0345
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0229P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0612
_refine_ls_wR_factor_ref         0.0700
_reflns_number_gt                3314
_reflns_number_total             5417
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic202517w_si_001_02.cif
_cod_data_source_block           compound1PhMe
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4328917