Coordination Polymers with Varied Metal Centers and Flexible Tripodal Ligand 1,3,5-Tris(imidazol-1-ylmethyl)benzene: Synthesis, Structure, and Reversible Anion Exchange Property
Xu, Guan-Cheng; Ding, Yu-Jie; Okamura, Taka-aki; Huang, Yong-Qing; Bai, Zheng-Shuai; Hua, Qing; Liu, Guang-Xiang; Sun, Wei-Yin; Ueyama, Norikazu; Crystal Growth & Design 9 (2009) 395–; doi:10.1021/cg800600g

data_4508990
_publ_section_title
;
 Coordination Polymers with Varied Metal Centers and Flexible Tripodal
 Ligand 1,3,5-Tris(imidazol-1-ylmethyl)benzene: Synthesis, Structure, and
 Reversible Anion Exchange Property
;
_journal_issue                   1
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              395
_journal_paper_doi               10.1021/cg800600g
_journal_volume                  9
_journal_year                    2009
_chemical_formula_moiety         'C18 H18 Cl2 Cu N6 '
_chemical_formula_sum            'C18 H18 Cl2 Cu N6'
_chemical_formula_weight         452.82
_chemical_name_systematic
; 
[CuCl2(XG4)] 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             'Sun Jul  1 14:06:31 2007'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 101.340(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.808(2)
_cell_length_b                   9.541(3)
_cell_length_c                   23.753(8)
_cell_measurement_reflns_used    14075
_cell_measurement_temperature    200
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.2
_cell_volume                     1957.2(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Alatomaere et al., 1994)'
_diffrn_ambient_temperature      200
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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     0.71075
_diffrn_reflns_av_R_equivalents  0.0256
_diffrn_reflns_av_sigmaI/netI    0.0209
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            18222
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.17
_exptl_absorpt_coefficient_mu    1.405
_exptl_absorpt_correction_T_max  0.755
_exptl_absorpt_correction_T_min  0.657
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(Higashi, 1995)'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.537
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             924
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.250
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.807
_refine_diff_density_min         -0.459
_refine_diff_density_rms         0.074
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         4490
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0316
_refine_ls_R_factor_gt           0.0269
_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^)+(0.0361P)^2^+1.3179P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0697
_refine_ls_wR_factor_ref         0.0719
_reflns_number_gt                4058
_reflns_number_total             4490
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cg800600gsup1.cif
_cod_data_source_block           3
_cod_original_cell_volume        1957.0(11)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4508990