Conformational Isomerism of 1,2-Bis(imidazol-1′-yl)ethane Affected by the Orientation of Functional Carboxylate Groups in Cadmium and Cobalt Helical Coordination Polymers
Li, Xiaoju; Weng, Xiulan; Tang, Ruijie; Lin, Yuanmiao; Ke, Zhilong; Zhou, Wenbiao; Cao, Rong; Crystal Growth & Design 10 (2010) 3228–; doi:10.1021/cg100350b

data_4501744
_publ_section_title
;
 Conformational Isomerism of 1,2-Bis(imidazol-1&#x2032;-yl)ethane Affected
 by the Orientation of Functional Carboxylate Groups in Cadmium and Cobalt
 Helical Coordination Polymers
;
_journal_issue                   7
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3228
_journal_paper_doi               10.1021/cg100350b
_journal_volume                  10
_journal_year                    2010
_chemical_formula_sum            'C18 H18 Cd N4 O4'
_chemical_formula_weight         466.76
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                86.145(13)
_cell_angle_beta                 85.514(10)
_cell_angle_gamma                85.699(12)
_cell_formula_units_Z            2
_cell_length_a                   7.0145(6)
_cell_length_b                   9.6647(10)
_cell_length_c                   13.6322(13)
_cell_measurement_temperature    173(2)
_cell_volume                     916.99(15)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_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  0.0288
_diffrn_reflns_av_sigmaI/netI    0.0463
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            7084
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         2.52
_exptl_absorpt_coefficient_mu    1.223
_exptl_absorpt_correction_T_max  0.8875
_exptl_absorpt_correction_T_min  0.6742
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.690
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             468
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.985
_refine_diff_density_min         -1.057
_refine_diff_density_rms         0.090
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         4126
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0528
_refine_ls_R_factor_gt           0.0429
_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^)+(0.0605P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1088
_refine_ls_wR_factor_ref         0.1160
_reflns_number_gt                3400
_reflns_number_total             4126
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg100350b_si_001.cif
_cod_data_source_block           d:\wrh\lxj\lxj606\l
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4501744