Cyano-Bridged Homochiral Heterometallic Helical Complexes: Synthesis, Structures, Magnetic and Dielectric Properties
Zheng, Xiao-Dan; Hua, Yan-Long; Xiong, Ren-Gen; Ge, Jia-Zhen; Lu, Tong-Bu; Crystal Growth & Design 11 (2011) 302–; doi:10.1021/cg101314j

data_4500242
_publ_section_title
;
 Cyano-Bridged Homochiral Heterometallic Helical Complexes: Synthesis,
 Structures, Magnetic and Dielectric Properties
;
_journal_issue                   1
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              302
_journal_paper_doi               10.1021/cg101314j
_journal_volume                  11
_journal_year                    2011
_chemical_formula_sum            'C42 H78 Fe2 N20 Ni2 O5'
_chemical_formula_weight         1172.28
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_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                 123.7340(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   27.2264(19)
_cell_length_b                   13.8822(10)
_cell_length_c                   18.0322(11)
_cell_measurement_reflns_used    2758
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      31.28
_cell_measurement_theta_min      2.43
_cell_volume                     5667.9(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID Imaging Plate'
_diffrn_measurement_method       \W
_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  0.0582
_diffrn_reflns_av_sigmaI/netI    0.0594
_diffrn_reflns_limit_h_max       33
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            16798
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.07
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.214
_exptl_absorpt_correction_T_max  0.7676
_exptl_absorpt_correction_T_min  0.6973
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Higashi,T.(1995).
_exptl_crystal_colour            crimson
_exptl_crystal_density_diffrn    1.374
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       hexagonal
_exptl_crystal_F_000             2472
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.34
_refine_diff_density_max         0.876
_refine_diff_density_min         -0.736
_refine_diff_density_rms         0.114
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.092
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     313
_refine_ls_number_reflns         5500
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.092
_refine_ls_R_factor_all          0.0801
_refine_ls_R_factor_gt           0.0559
_refine_ls_shift/su_max          0.069
_refine_ls_shift/su_mean         0.008
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0716P)^2^+12.0327P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1369
_refine_ls_wR_factor_ref         0.1535
_reflns_number_gt                4056
_reflns_number_total             5500
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg101314j_si_002.cif
_cod_data_source_block           meso-1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 'MULTI-SCAN'
changed to 'multi-scan' 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      C2/c
_cod_database_code               4500242