Formation of Zn(ii) and Pb(ii) coordination polymers of tetrakis(4-pyridyl)cyclobutane controlled by benzene and toluene
Dai, Ming; Gu, Tian-Yi; Zhao, Xin; Li, Hong-Xi; Lang, Jian-Ping; CrystEngComm 17 (2015) 8345–; doi:10.1039/C5CE01473E

data_7222330
_publ_section_title
;
 Formation of Zn(ii) and Pb(ii) coordination polymers of
 tetrakis(4-pyridyl)cyclobutane controlled by benzene and toluene
;
_journal_issue                   43
_journal_name_full               CrystEngComm
_journal_page_first              8345
_journal_paper_doi               10.1039/C5CE01473E
_journal_volume                  17
_journal_year                    2015
_chemical_formula_moiety         'C25 H23 N6 O7 Pb'
_chemical_formula_sum            'C25 H23 N6 O7 Pb'
_chemical_formula_weight         726.69
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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_method           SHELXL-97
_audit_update_record
;
2015-07-20 deposited with the CCDC.
2015-09-27 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 121.569(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.7971(9)
_cell_length_b                   11.8723(10)
_cell_length_c                   20.1498(17)
_cell_measurement_reflns_used    3596
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      26.8040
_cell_measurement_theta_min      3.5020
_cell_volume                     2608.3(4)
_computing_cell_refinement
'CrysAlisPro, Agilent Technologies, Version 1.171.36.28 '
_computing_data_collection
'CrysAlisPro, Agilent Technologies, Version 1.171.36.28 '
_computing_data_reduction
'CrysAlisPro, Agilent Technologies, Version 1.171.36.28 '
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_detector_area_resol_mean 10.4471
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0879
_diffrn_reflns_av_sigmaI/netI    0.0961
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            13175
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.93
_diffrn_standards_number         17226
_exptl_absorpt_coefficient_mu    6.525
_exptl_absorpt_correction_T_max  0.1573
_exptl_absorpt_correction_T_min  0.1113
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.851
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1412
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.54
_exptl_crystal_size_min          0.45
_refine_diff_density_max         2.211
_refine_diff_density_min         -1.100
_refine_diff_density_rms         0.170
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.929
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     341
_refine_ls_number_reflns         4574
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      0.931
_refine_ls_R_factor_all          0.0795
_refine_ls_R_factor_gt           0.0540
_refine_ls_shift/su_max          0.000
_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          0.1161
_refine_ls_wR_factor_ref         0.1294
_reflns_number_gt                3250
_reflns_number_total             4574
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ce01473e2.cif
_cod_data_source_block           t
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 7222327--7222331.cif.
;
_cod_original_sg_symbol_H-M      'P 21/c '
_cod_database_code               7222330