A highly efficient dioxo(mu-oxo)molybdenum(VI) dimer catalyst for olefin epoxidation.
Pereira, Cláudia C L; Balula, Salete S.; Paz, Filipe A Almeida; Valente, Anabela A.; Pillinger, Martyn; Klinowski, Jacek; Gonçalves, Isabel S; Inorganic chemistry 46 (2007) 8508–8510; doi:10.1021/ic701746r

data_4339521
_publ_section_title
;
 A highly efficient dioxo(mu-oxo)molybdenum(VI) dimer catalyst for olefin
 epoxidation.
;
_journal_issue                   21
_journal_name_full               'Inorganic chemistry'
_journal_page_first              8508
_journal_page_last               8510
_journal_paper_doi               10.1021/ic701746r
_journal_volume                  46
_journal_year                    2007
_chemical_formula_moiety         'C12 H16 Cl2 Mo2 N8 O5'
_chemical_formula_sum            'C12 H16 Cl2 Mo2 N8 O5'
_chemical_formula_weight         615.11
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             '06 March 2007'
_audit_creation_method           'SHELXL-97, manual editing plus enCIFer'
_cell_angle_alpha                90.00
_cell_angle_beta                 111.72(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.549(3)
_cell_length_b                   11.284(2)
_cell_length_c                   16.009(3)
_cell_measurement_reflns_used    3678
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.00
_cell_volume                     2106.0(9)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius 1998)'
_computing_data_reduction
;
 HKL Denzo and Scalepack (Otwinowski & Minor 1997)
;
_computing_molecular_graphics    'SHELXTL (Bruker 2001)'
_computing_publication_material  'SHELXTL (Bruker 2001)'
_computing_structure_refinement  'SHELXTL (Bruker 2001)'
_computing_structure_solution    'SIR-92 (Altomare at al. 1994)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       'Thin slice \w and \f scans'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0308
_diffrn_reflns_av_sigmaI/netI    0.0403
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            6074
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.55
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.486
_exptl_absorpt_correction_T_max  0.752
_exptl_absorpt_correction_T_min  0.703
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 Sortav (Blessing 1995)
;
_exptl_crystal_colour            Brown
_exptl_crystal_density_diffrn    1.940
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1208
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.345
_refine_diff_density_min         -0.766
_refine_diff_density_rms         0.103
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.102
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     138
_refine_ls_number_reflns         2402
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.102
_refine_ls_R_factor_all          0.0302
_refine_ls_R_factor_gt           0.0259
_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^)+(0.0122P)^2^+5.4678P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0594
_refine_ls_wR_factor_ref         0.0616
_reflns_number_gt                2205
_reflns_number_total             2402
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic701746r-file003.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4339521