Convenient syntheses and structural characterizations of mono-substituted alkylimido hexamolybdates: [Mo6O18(NR)]2− (R = Me, Et, n-Pr, i-Pr, n-Bu, t-Bu, Cy, Hex, Ode)
Li, Qiang; Wang, Longsheng; Yin, Panchao; Wei, Yongge; Hao, Jian; Zhu, Yulin; Zhu, Li; Yuan, Gu; Dalton Transactions  (2009) 1172–1179; doi:10.1039/b813924e

data_7000462
_publ_section_title
;
 Convenient syntheses and structural characterizations of
 mono-substituted alkylimido hexamolybdates: [Mo6O18(NR)]2&#x2212; (R =
 Me, Et, n-Pr, i-Pr, n-Bu, t-Bu, Cy, Hex, Ode)
;
_journal_coden_ASTM              DTARAF
_journal_issue                   7
_journal_name_full               'Dalton Transactions'
_journal_page_first              1172
_journal_page_last               1179
_journal_paper_doi               10.1039/b813924e
_journal_year                    2009
_chemical_formula_sum            'C37.5 H84 Mo6 N3 O18.5'
_chemical_formula_weight         1448.72
_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                 105.4010(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.3661(7)
_cell_length_b                   16.8920(7)
_cell_length_c                   19.8925(8)
_cell_measurement_reflns_used    9632
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.44
_cell_measurement_theta_min      2.41
_cell_volume                     5625.9(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0447
_diffrn_reflns_av_sigmaI/netI    0.0496
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            31391
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.12
_exptl_absorpt_coefficient_mu    1.361
_exptl_absorpt_correction_T_max  0.9351
_exptl_absorpt_correction_T_min  0.6856
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.710
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tabular
_exptl_crystal_F_000             2920
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.669
_refine_diff_density_min         -0.590
_refine_diff_density_rms         0.117
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     575
_refine_ls_number_reflns         9899
_refine_ls_number_restraints     33
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0922
_refine_ls_R_factor_gt           0.0595
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0895P)^2^+0.9718P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1431
_refine_ls_wR_factor_ref         0.1608
_reflns_number_gt                6601
_reflns_number_total             9899
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            B813924e.txt
_cod_data_source_block           compound-6
_cod_original_sg_symbol_H-M      'P 2(1)/n'
_cod_original_formula_sum        'C37.50 H84 Mo6 N3 O18.50'
_cod_database_code               7000462