Molybdenum 17- and 18-Electron Bis- and Tris(Butadiene) Complexes: Electronic Structures, Spectroscopic Properties, and Oxidative Ligand Substitution Reactions
Gerald C. Stephan; Christian Näther; Gerhard Peters; Felix Tuczek; Inorganic Chemistry 52 (2013) 5931–5942; doi:10.1021/ic400145f

data_4334871
_publ_section_title
;
 Molybdenum 17- and 18-Electron Bis- and Tris(Butadiene) Complexes:
 Electronic Structures, Spectroscopic Properties, and Oxidative Ligand
 Substitution Reactions
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5931
_journal_page_last               5942
_journal_paper_doi               10.1021/ic400145f
_journal_volume                  52
_journal_year                    2013
_chemical_formula_sum            'C62 H64 B Mo P2'
_chemical_formula_weight         977.82
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
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_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
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_cell_angle_beta                 85.088(10)
_cell_angle_gamma                71.289(8)
_cell_formula_units_Z            2
_cell_length_a                   11.8561(9)
_cell_length_b                   13.7579(10)
_cell_length_c                   16.2812(14)
_cell_measurement_temperature    170(2)
_cell_volume                     2505.1(4)
_computing_cell_refinement       'IPDS-1 program package'
_computing_data_collection       'IPDS-1 program package'
_computing_data_reduction        'IPDS-1 program package'
_computing_molecular_graphics    'XP in SHELXTL-PC'
_computing_publication_material  SHELXTL-PC
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      170(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'STOE IPDS-1'
_diffrn_measurement_method       '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  0.0557
_diffrn_reflns_av_sigmaI/netI    0.0557
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            24750
_diffrn_reflns_theta_full        26.02
_diffrn_reflns_theta_max         26.02
_diffrn_reflns_theta_min         2.28
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.366
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.296
_exptl_crystal_description       block
_exptl_crystal_F_000             1026
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         2.126
_refine_diff_density_min         -0.878
_refine_diff_density_rms         0.096
_refine_ls_extinction_coef       0.0066(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     600
_refine_ls_number_reflns         9632
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0628
_refine_ls_R_factor_gt           0.0494
_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^)+(0.0709P)^2^+4.1249P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1321
_refine_ls_wR_factor_ref         0.1381
_reflns_number_gt                7840
_reflns_number_total             9632
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic400145f_si_002.cif
_cod_data_source_block           felix48
_cod_original_cell_volume        2505.1(3)
_cod_database_code               4334871