p-Hydroxybenzoic acid-assisted homochiral 1D-helical coordination polymers from calcium cations and cucurbit[5]uril
Chen, Kai; Liang, Li-Li; Liu, Hao-Jing; Tao, Zhu; Xue, Sai-Feng; Zhang, Yun-Qian; Zhu, Qian-Jiang; CrystEngComm 14 (2012) 8049–; doi:10.1039/c2ce25958c

data_7214919
_publ_section_title
;
 p-Hydroxybenzoic acid-assisted homochiral 1D-helical coordination
 polymers from calcium cations and cucurbit[5]uril
;
_journal_issue                   23
_journal_name_full               CrystEngComm
_journal_page_first              8049
_journal_paper_doi               10.1039/c2ce25958c
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C30 H30 Ca2 Cl4 N20 O11'
_chemical_formula_weight         1068.65
_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                 115.904(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   32.7209(15)
_cell_length_b                   19.4444(9)
_cell_length_c                   32.739(2)
_cell_measurement_reflns_used    5075
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      21.56
_cell_measurement_theta_min      2.15
_cell_volume                     18737.0(17)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Smart Apex CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.1702
_diffrn_reflns_av_sigmaI/netI    0.0802
_diffrn_reflns_limit_h_max       38
_diffrn_reflns_limit_h_min       -38
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            205392
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.26
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    0.547
_exptl_absorpt_correction_T_max  0.9469
_exptl_absorpt_correction_T_min  0.8976
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2000'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.515
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             12448
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.09
_refine_diff_density_max         1.813
_refine_diff_density_min         -0.863
_refine_diff_density_rms         0.162
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.097
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1208
_refine_ls_number_reflns         16481
_refine_ls_number_restraints     154
_refine_ls_restrained_S_all      1.095
_refine_ls_R_factor_all          0.1753
_refine_ls_R_factor_gt           0.1015
_refine_ls_shift/su_max          0.087
_refine_ls_shift/su_mean         0.014
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1250P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2591
_refine_ls_wR_factor_ref         0.2911
_reflns_number_gt                5932
_reflns_number_total             16481
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce25958c.txt
_cod_data_source_block           compound1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        18737.2(18)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7214919