Weak antiferromagnetic coupling for novel linear hexanuclear nickel(II) string complexes (Ni6 12+) and partial metal-metal bonds in their one-electron reduction products (Ni6 11+).
Chien, Chih-Hsien; Chang, Jung-Che; Yeh, Chen-Yu; Lee, Gene-Hsiang; Fang, Jim-Min; Song, You; Peng, Shie-Ming; Dalton transactions (Cambridge, England : 2003)  (2006) 3249–3256; doi:10.1039/b516749c

data_7007057
_publ_section_title
;
 Weak antiferromagnetic coupling for novel linear hexanuclear
 nickel(II) string complexes (Ni6 12+) and partial metal-metal bonds in
 their one-electron reduction products (Ni6 11+).
;
_journal_issue                   26
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3249
_journal_page_last               3256
_journal_paper_doi               10.1039/b516749c
_journal_year                    2006
_chemical_formula_sum            'C80 H68 Cl18 F6 N24 Ni6 O2 P'
_chemical_formula_weight         2532.91
_chemical_name_common            (Ni6(bpyany)4Cl2)(PF6)
_chemical_name_systematic
;
?
;
_space_group_IT_number           130
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4a 2ac'
_symmetry_space_group_name_H-M   'P 4/n c c :2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.9683(7)
_cell_length_b                   15.9683(7)
_cell_length_c                   41.456(2)
_cell_measurement_reflns_used    all
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      1.00
_cell_volume                     10570.7(8)
_computing_cell_refinement       DENZO-SMN
_computing_data_collection       'NONIUS COLLECT'
_computing_data_reduction        DENZO-SMN
_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      150(1)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'NONIUS KappaCCD'
_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  0.0742
_diffrn_reflns_av_sigmaI/netI    0.0388
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       51
_diffrn_reflns_limit_l_min       -51
_diffrn_reflns_number            58084
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    1.583
_exptl_absorpt_correction_T_max  0.674
_exptl_absorpt_correction_T_min  0.543
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            dark-green
_exptl_crystal_density_diffrn    1.592
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             5100
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.30
_refine_diff_density_max         1.890
_refine_diff_density_min         -1.017
_refine_diff_density_rms         0.207
_refine_ls_extinction_coef       0.0016(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     313
_refine_ls_number_reflns         6028
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.1694
_refine_ls_R_factor_gt           0.1106
_refine_ls_shift/su_max          0.016
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1826P)^2^+76.4940P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3232
_refine_ls_wR_factor_ref         0.3818
_reflns_number_gt                3267
_reflns_number_total             6028
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b516749c.txt
_cod_data_source_block           ic11223(compd_4)
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P4/ncc
_cod_database_code               7007057