Three-dimensional mesomeric networks assembled from helix-linked sheets: syntheses, structures, and magnetisms.
Qin, Chao; Wang, Xin-Long; Li, Yang-Guang; Wang, En-Bo; Su, Zhong-Min; Xu, Lin; Clérac, Rodolphe; Dalton transactions (Cambridge, England : 2003)  (2005) 2609–2614; doi:10.1039/b502651b

data_7008422
_publ_section_title
;
 Three-dimensional mesomeric networks assembled from helix-linked
 sheets: syntheses, structures, and magnetisms.
;
_journal_issue                   15
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2609
_journal_page_last               2614
_journal_paper_doi               10.1039/b502651b
_journal_year                    2005
_chemical_formula_sum            'C38 H35 N4 Ni3 O18.5'
_chemical_formula_weight         1019.83
_chemical_name_systematic
;
?
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                   22.635(5)
_cell_length_b                   17.286(4)
_cell_length_c                   10.058(2)
_cell_measurement_temperature    293(2)
_cell_volume                     3935.4(15)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 0.01
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID IP'
_diffrn_measurement_method       Oscillation
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rotation anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0558
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            8730
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.34
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.509
_exptl_absorpt_correction_T_max  0.7324
_exptl_absorpt_correction_T_min  0.6438
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR by T.Higashi 8 March, 1995'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.721
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2092
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.777
_refine_diff_density_min         -0.673
_refine_diff_density_rms         0.092
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.0(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.998
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     599
_refine_ls_number_reflns         8730
_refine_ls_number_restraints     35
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.0388
_refine_ls_R_factor_gt           0.0333
_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^)+(0.0443P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0860
_refine_ls_wR_factor_ref         0.0879
_reflns_number_gt                7583
_reflns_number_total             8730
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b502651b.txt
_cod_data_source_block           wbl13b
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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        3935.2(14)
_cod_original_sg_symbol_H-M      Pna2(1)
_cod_original_formula_sum        'C38 H35 N4 Ni3 O18.50'
_cod_database_code               7008422