First crystallographic elucidation of a high-valent molybdenum oxo N-heterocyclic carbene complex [CpMo(VI)O(2)(IBz)](2)[Mo(6)O(19)].
Li, Shenyu; Wang, Zhe; Hor, T. S. Andy; Zhao, Jin; Dalton transactions (Cambridge, England : 2003) 41 (2012) 1454–1456; doi:10.1039/c2dt11616b

data_7018035
_publ_section_title
;
 First crystallographic elucidation of a high-valent molybdenum oxo
 N-heterocyclic carbene complex [CpMo(VI)O(2)(IBz)](2)[Mo(6)O(19)].
;
_journal_issue                   5
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1454
_journal_page_last               1456
_journal_paper_doi               10.1039/c2dt11616b
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C26 H24 B F4 Mo N3 O2'
_chemical_formula_weight         593.23
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                77.187(2)
_cell_angle_beta                 83.435(2)
_cell_angle_gamma                76.056(2)
_cell_formula_units_Z            4
_cell_length_a                   9.8246(12)
_cell_length_b                   11.9309(15)
_cell_length_c                   22.990(3)
_cell_measurement_reflns_used    992
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.15
_cell_volume                     2545.0(6)
_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      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0247
_diffrn_reflns_av_sigmaI/netI    0.0280
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            32965
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         0.91
_exptl_absorpt_coefficient_mu    0.574
_exptl_absorpt_correction_T_max  0.8939
_exptl_absorpt_correction_T_min  0.7394
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs, (Sheldrick 2001)'
_exptl_crystal_colour            DARK_RED
_exptl_crystal_density_diffrn    1.548
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             1200
_exptl_crystal_size_max          0.56
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.927
_refine_diff_density_min         -0.282
_refine_diff_density_rms         0.085
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
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_refine_ls_number_parameters     669
_refine_ls_number_reflns         11682
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0349
_refine_ls_R_factor_gt           0.0304
_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^)+(0.0428P)^2^+1.5460P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0810
_refine_ls_wR_factor_ref         0.0843
_reflns_number_gt                10355
_reflns_number_total             11682
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt11616b.txt
_cod_data_source_block           a104
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'Not Measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        2545.0(5)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7018035