"Squaring the clusters": a Mn(III)(4)Ni(II)(4) molecular square from nickel(ii)-induced structural transformation of a Mn(II/III/IV)(12) cage.
Alexandropoulos, Dimitris I.; Manos, Manolis J.; Papatriantafyllopoulou, Constantina; Mukherjee, Shreya; Tasiopoulos, Anastasios J.; Perlepes, Spyros P.; Christou, George; Stamatatos, Theocharis C.; Dalton transactions (Cambridge, England : 2003) 41 (2012) 4744–4747; doi:10.1039/c2dt00030j

data_7018290
_publ_section_title
;
 &quot;Squaring the clusters&quot;: a Mn(III)(4)Ni(II)(4) molecular square
 from nickel(ii)-induced structural transformation of a Mn(II/III/IV)(12)
 cage.
;
_journal_issue                   16
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4744
_journal_page_last               4747
_journal_paper_doi               10.1039/c2dt00030j
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety
'C96 H72 Mn4 N16 Ni4 O20, 4(Cl O4), 4(C H2 Cl2), 21.5(H2 O)'
_chemical_formula_sum            'C100 H123 Cl8 Mn4 N16 Ni4 O57.5'
_chemical_formula_weight         3207.34
_chemical_name_systematic
;
?
;
_space_group_IT_number           121
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'I -4 2'
_symmetry_space_group_name_H-M   'I -4 2 m'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   16.7927(8)
_cell_length_b                   16.7927(8)
_cell_length_c                   25.9583(10)
_cell_measurement_reflns_used    2600
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      24.9940
_cell_measurement_theta_min      2.8836
_cell_volume                     7320.1(6)
_computing_cell_refinement       'CrysAlis RED'
_computing_data_collection       'CrysAlis CCD'
_computing_data_reduction        'CrysAlis RED'
_computing_molecular_graphics
;
DIAMOND (Brandenburg, 2006)
MERCURY (Bruno et al. 2002)
;
_computing_publication_material  'WINGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.4223
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0742
_diffrn_reflns_av_sigmaI/netI    0.0828
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9559
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.89
_exptl_absorpt_coefficient_mu    1.071
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.36199
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Empirical absorption correction (CrysAlis RED, Oxford Diffraction)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.455
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       polyhedral
_exptl_crystal_F_000             3286
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.746
_refine_diff_density_min         -0.529
_refine_diff_density_rms         0.104
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.21(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     189
_refine_ls_number_reflns         3380
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0946
_refine_ls_R_factor_gt           0.0751
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1294P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1964
_refine_ls_wR_factor_ref         0.2120
_reflns_number_gt                2391
_reflns_number_total             3380
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt00030j.txt
_cod_data_source_block           shelxl
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
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 
;
_cod_original_sg_symbol_H-M      'I -4 2 m '
_cod_original_formula_sum        'C100 H123 Cl8 Mn4 N16 Ni4 O57.50'
_cod_database_code               7018290