Molecular squares of Ni(II) and Cu(II): ferromagnetic exchange interaction mediated by syn-anti carboxylate-bridging.
Arora, Himanshu; Lloret, Francesc; Mukherjee, Rabindranath; Dalton transactions (Cambridge, England : 2003)  (2009) 9759–9769; doi:10.1039/b905463d

data_7002753
_publ_section_title
;
 Molecular squares of Ni(II) and Cu(II): ferromagnetic exchange
 interaction mediated by syn-anti carboxylate-bridging.
;
_journal_issue                   44
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9759
_journal_page_last               9769
_journal_paper_doi               10.1039/b905463d
_journal_year                    2009
_chemical_formula_moiety         'C72 H84 Cl4 N16 Ni4 O24'
_chemical_formula_sum            'C72 H84 Cl4 N16 Ni4 O24'
_chemical_formula_weight         1934.19
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.000(5)
_cell_angle_beta                 90.000(5)
_cell_angle_gamma                90.000(5)
_cell_formula_units_Z            2
_cell_length_a                   17.656(5)
_cell_length_b                   17.656(5)
_cell_length_c                   13.203(5)
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.28
_cell_measurement_theta_min      2.24
_cell_volume                     4116(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART APEX'
_computing_data_reduction        'Bruker SAINT PLUS'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WingX publication routine (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97(Altomare, et. al. 1999)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0762
_diffrn_reflns_av_sigmaI/netI    0.0639
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            26849
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         2.24
_exptl_absorpt_coefficient_mu    1.116
_exptl_absorpt_correction_T_max  0.8966
_exptl_absorpt_correction_T_min  0.8076
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.561
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2000
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.430
_refine_diff_density_min         -0.457
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         5117
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.1050
_refine_ls_R_factor_gt           0.0589
_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^)+(0.0695P)^2^+0.6152P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1302
_refine_ls_wR_factor_ref         0.1470
_reflns_number_gt                3235
_reflns_number_total             5117
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b905463d.txt
_cod_data_source_block           19febcm
_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.

'_exptl_absorpt_correction_type' value 'Empirical' changed to
'empirical' 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      P42/n
_cod_database_code               7002753