Proton NMR Study of Cr-Co Heterometallic Wheel Complexes
E. Carolina Sañudo; Thomas B. Faust; Christopher A. Muryn; Robin G. Pritchard; Grigore A. Timco; Richard E. P. Winpenny; Inorganic Chemistry 48 (2009) 9811–9818; doi:10.1021/ic901418z

data_4303414
_publ_section_title
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Proton NMR Study of Cr-Co Heterometallic Wheel Complexes
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9811
_journal_page_last               9818
_journal_paper_doi               10.1021/ic901418z
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'C85 H160 Co Cr7 F8 N O33.5'
_chemical_formula_weight         2307.07
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 110.275(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   25.1073(8)
_cell_length_b                   16.6242(7)
_cell_length_c                   30.8644(10)
_cell_measurement_reflns_used    30200
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.7672
_cell_measurement_theta_min      2.7579
_cell_volume                     12084.3(8)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.24 (release 21-04-2008 CrysAlis171 .NET)
(compiled Apr 21 2008,18:23:10)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.32.24 (release 21-04-2008 CrysAlis171 .NET)
(compiled Apr 21 2008,18:23:10)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.24 (release 21-04-2008 CrysAlis171 .NET)
(compiled Apr 21 2008,18:23:10)
;
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3367
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Oxford Diffraction XCalibur 2'
_diffrn_measurement_method       'phi and omega'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0430
_diffrn_reflns_av_sigmaI/netI    0.0563
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            88706
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         3.73
_exptl_absorpt_coefficient_mu    0.817
_exptl_absorpt_correction_T_max  0.7360
_exptl_absorpt_correction_T_min  0.5612
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.24 (release 21-04-2008 CrysAlis171 .NET)
(compiled Apr 21 2008,18:23:10)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            Green
_exptl_crystal_density_diffrn    1.267
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             4848
_exptl_crystal_size_max          0.80
_exptl_crystal_size_mid          0.70
_exptl_crystal_size_min          0.40
_refine_diff_density_max         1.448
_refine_diff_density_min         -0.816
_refine_diff_density_rms         0.101
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1554
_refine_ls_number_reflns         24622
_refine_ls_number_restraints     2393
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.1185
_refine_ls_R_factor_gt           0.0846
_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^)+(0.0810P)^2^+58.8417P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2070
_refine_ls_wR_factor_ref         0.2202
_reflns_number_gt                16850
_reflns_number_total             24622
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic901418z_si_001_4.cif
_cod_data_source_block           PrNH3Cr7Co-7
_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_cell_volume        12084.3(7)
_cod_original_formula_sum        'C85 H160 Co Cr7 F8 N O33.50'
_cod_database_code               4303414