Two unique entangling ZnII/CdII coordination frameworks featuring multiform helical motifs based on long mixed ligands
Hou, Yuan-Feng; Yu, Yang; Yue, Ke-Fen; Wei, Qing; Liu, Yong-Liang; Zhou, Chun-Sheng; Wang, Yao-Yu; CrystEngComm 15 (2013) 7161–; doi:10.1039/c3ce41127c

data_7210439
_publ_section_title
;
 Two unique entangling ZnII/CdII coordination frameworks featuring
 multiform helical motifs based on long mixed ligands
;
_journal_issue                   36
_journal_name_full               CrystEngComm
_journal_page_first              7161
_journal_paper_doi               10.1039/c3ce41127c
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C28 H30 N6 O4 Zn'
_chemical_formula_weight         579.95
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 101.661(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.5666(16)
_cell_length_b                   23.405(3)
_cell_length_c                   11.4006(15)
_cell_measurement_temperature    296(2)
_cell_volume                     2761.3(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_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  0.0361
_diffrn_reflns_av_sigmaI/netI    0.0526
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            11309
_diffrn_reflns_theta_full        25.10
_diffrn_reflns_theta_max         25.10
_diffrn_reflns_theta_min         1.74
_exptl_absorpt_coefficient_mu    0.934
_exptl_absorpt_correction_T_max  0.8803
_exptl_absorpt_correction_T_min  0.8352
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.395
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1208
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.456
_refine_diff_density_min         -0.290
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     354
_refine_ls_number_reflns         4827
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0714
_refine_ls_R_factor_gt           0.0416
_refine_ls_shift/su_max          0.053
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0529P)^2^+0.1242P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0988
_refine_ls_wR_factor_ref         0.1126
_reflns_number_gt                3262
_reflns_number_total             4827
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce41127c.txt
_cod_data_source_block           xb4827_0m
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7210439