Single-Molecule Magnets: Ligand-Induced Core Distortion and Multiple Jahn‒Teller Isomerism in [Mn~12~O~12~(O~2~CMe)~8~(O~2~PPh~2~)~8~(H~2~O)~4~]
Boskovic, Colette; Pink, Maren; Huffman, John C.; Hendrickson, David N.; Christou, George; Journal of the American Chemical Society 123 (2001) 9914–9915; doi:10.1021/ja016341+

data_5000298
_publ_section_title
;
 Single-Molecule Magnets: Ligand-Induced Core Distortion and Multiple
 Jahn--Teller Isomerism in [Mn~12~O~12~(O~2~CMe)~8~(O~2~PPh~2~)~8~(H~2~O)~4~]
;
_journal_issue                   40
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9914
_journal_page_last               9915
_journal_paper_doi               10.1021/ja016341+
_journal_volume                  123
_journal_year                    2001
_chemical_formula_moiety         'C112 H112 Mn12 O48 P8, 12(C H2 Cl2)'
_chemical_formula_sum            'C124 H136 Cl24 Mn12 O48 P8'
_chemical_formula_weight         4152.17
_space_group_IT_number           86
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4bc'
_symmetry_space_group_name_H-M   'P 42/n :2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   25.2075(19)
_cell_length_b                   25.2075(19)
_cell_length_c                   13.4133(14)
_cell_measurement_reflns_used    962
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      24.78
_cell_measurement_theta_min      2.56
_cell_volume                     8523.1(13)
_diffrn_ambient_temperature      113(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 44.52
_diffrn_detector_type            'Bruker SMART 6000'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_details
'   0.30 degree frames measured for  15 seconds each'
_diffrn_measurement_device       'three-circle goniometer with fixed chi'
_diffrn_measurement_device_type  'Bruker Platform goniometer'
_diffrn_measurement_method       \w-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  0.0929
_diffrn_reflns_av_sigmaI/netI    0.0724
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            74056
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.90
_diffrn_standards_decay_%        ?
_diffrn_standards_interval_count ?
_diffrn_standards_interval_time  ?
_diffrn_standards_number         ?
_exptl_absorpt_coefficient_mu    1.381
_exptl_absorpt_correction_T_max  0.8196
_exptl_absorpt_correction_T_min  0.6984
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, R. Blessing (1995)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.618
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             4184
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.15
_refine_diff_density_max         2.312
_refine_diff_density_min         -2.418
_refine_diff_density_rms         0.131
_refine_ls_extinction_coef       ?
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     505
_refine_ls_number_reflns         9776
_refine_ls_number_restraints     19
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.1153
_refine_ls_R_factor_gt           0.0666
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1304P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1925
_refine_ls_wR_factor_ref         0.2180
_reflns_number_gt                5786
_reflns_number_total             9776
_reflns_threshold_expression     >2sigma(I)
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' tag value 'multi-scans' was replaced
with 'multi-scan' value.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      P4(2)/n
_cod_database_code               5000298