Tuning the thermodynamic stability of oxothiomolybdenum wheels: crystal structures, studies in solution and DFT calculations
Lemonnier, Jean-François; Kachmar, Ali; Floquet, Sébastien; Marrot, Jérôme; Rohmer, Marie-Madeleine; Bénard, Marc; Cadot, Emmanuel; Dalton Transactions  (2008) 4565–; doi:10.1039/b801716f

data_7003972
_publ_section_title
;
 Tuning the thermodynamic stability of oxothiomolybdenum wheels:
 crystal structures, studies in solution and DFT calculations
;
_journal_issue                   34
_journal_name_full               'Dalton Transactions'
_journal_page_first              4565
_journal_paper_doi               10.1039/b801716f
_journal_year                    2008
_chemical_formula_sum            'C20 H86 Mo12 N2 O47 S12'
_chemical_formula_weight         2642.91
_chemical_name_systematic
;
?
;
_space_group_IT_number           11
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 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                 108.0070(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   17.9056(4)
_cell_length_b                   12.2302(4)
_cell_length_c                   20.4212(6)
_cell_measurement_reflns_used    9047
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.94
_cell_measurement_theta_min      2.47
_cell_volume                     4253.0(2)
_computing_cell_refinement       'Bruker APEX2'
_computing_data_collection       'Bruker APEX2'
_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      293(2)
_diffrn_detector_area_resol_mean 512x512
_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  0.0450
_diffrn_reflns_av_sigmaI/netI    0.0320
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            77723
_diffrn_reflns_theta_full        30.08
_diffrn_reflns_theta_max         30.08
_diffrn_reflns_theta_min         1.05
_exptl_absorpt_coefficient_mu    2.080
_exptl_absorpt_correction_T_max  0.7884
_exptl_absorpt_correction_T_min  0.5297
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, V2.10)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    2.064
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             2584
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.348
_refine_diff_density_min         -0.835
_refine_diff_density_rms         0.229
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.099
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     529
_refine_ls_number_reflns         13007
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.0596
_refine_ls_R_factor_gt           0.0380
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0761P)^2^+6.8942P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1193
_refine_ls_wR_factor_ref         0.1408
_reflns_number_gt                9887
_reflns_number_total             13007
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b801716f.txt
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/m
_cod_database_code               7003972