Self-assembly of novel co-ordination polymers containing polycatenated molecular ladders and intertwined two-dimensional tilings
Carlucci, Lucia; Ciani, Gianfranco; Proserpio, Davide M.; Journal of the Chemical Society, Dalton Transactions  (1999) 1799–; doi:10.1039/a903107c

data_7027480
_publ_section_title
;
 Self-assembly of novel co-ordination polymers containing polycatenated
 molecular ladders and intertwined two-dimensional tilings
;
_journal_issue                   11
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              1799
_journal_paper_doi               10.1039/a903107c
_journal_year                    1999
_chemical_formula_sum            'C36 H24 N10 O12 Zn2'
_chemical_formula_weight         919.39
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 129.800(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.414(3)
_cell_length_b                   17.153(4)
_cell_length_c                   14.177(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      11
_cell_measurement_theta_min      9
_cell_volume                     3813.9(13)
_computing_molecular_graphics    SCHAKAL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR92
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.646
_diffrn_measured_fraction_theta_max 0.646
_diffrn_measurement_device       CAD4
_diffrn_measurement_method       omega-scan
_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  0.055
_diffrn_reflns_av_sigmaI/netI    0.091
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       0
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            3202
_diffrn_reflns_theta_full        23.92
_diffrn_reflns_theta_max         24
_diffrn_reflns_theta_min         3
_diffrn_standards_decay_%        7
_diffrn_standards_interval_time  2h
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    1.336
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.97
_exptl_absorpt_correction_type   psi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.601
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cube
_exptl_crystal_F_000             1864
_exptl_crystal_size_max          0.160
_exptl_crystal_size_mid          0.140
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.484
_refine_diff_density_min         -0.361
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_obs   1.119
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         1917
_refine_ls_number_restraints     30
_refine_ls_restrained_S_obs      1.163
_refine_ls_R_factor_obs          0.0572
_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^)+(0.0481P)^2^+1.4244P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_obs         0.1043
_reflns_number_observed          1917
_reflns_number_total             2961
_reflns_observed_criterion       >2sigma(I)
_cod_data_source_file            903107csup1.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        3813.9(12)
_cod_original_sg_symbol_H-M      'C 2/c (15)'
_cod_database_code               7027480
_exptl_absorpt_correction_nazim  3
_diffrn_measurement_domega       1.1+0.35tg(theta)
_diffrn_measurement_rtime        10