Exploring supramolecular interactions between inorganic tetrachlorometallate and organic pyridinium dication: Synthesis, characterization and structural investigations
Kamal Kumar Bisht; Amal Cherian Kathalikkattil; Suresh Eringathodi; Journal of Molecular Structure 1013 (2012) 102–110; doi:10.1016/j.molstruc.2012.01.023

data_1512991
_publ_section_title
;
 Exploring supramolecular interactions between inorganic
 tetrachlorometallate and organic pyridinium dication: Synthesis,
 characterization and structural investigations
;
_journal_issue                   0
_journal_name_full               'Journal of Molecular Structure'
_journal_page_first              102
_journal_page_last               110
_journal_paper_doi               10.1016/j.molstruc.2012.01.023
_journal_volume                  1013
_journal_year                    2012
_chemical_formula_sum            'C20 H22 Cl4 N2 O3 Zn'
_chemical_formula_weight         545.57
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                97.796(2)
_cell_angle_beta                 93.831(2)
_cell_angle_gamma                102.295(2)
_cell_formula_units_Z            2
_cell_length_a                   8.1684(11)
_cell_length_b                   8.6173(12)
_cell_length_c                   17.170(2)
_cell_measurement_reflns_used    3344
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      2.41
_cell_volume                     1164.2(3)
_computing_cell_refinement       'BRUKER SMART'
_computing_data_collection       'BRUKER SMART'
_computing_data_reduction        'BRUKER SAINT'
_computing_molecular_graphics    ORTEP
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'BRUKER SMART APEX CCD DIFFRACTOMETER'
_diffrn_measurement_method       'OMEGA-PHI 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  0.0372
_diffrn_reflns_av_sigmaI/netI    0.0574
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            8195
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.41
_exptl_absorpt_coefficient_mu    1.538
_exptl_absorpt_correction_T_max  0.8135
_exptl_absorpt_correction_T_min  0.5318
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'BRUKER SADABS'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.556
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCKS
_exptl_crystal_F_000             556
_exptl_crystal_size_max          0.47
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.14
_refine_diff_density_max         2.006
_refine_diff_density_min         -0.842
_refine_diff_density_rms         0.119
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     273
_refine_ls_number_reflns         4048
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0844
_refine_ls_R_factor_gt           0.0723
_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^)+(0.1339P)^2^+1.1926P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2034
_refine_ls_wR_factor_ref         0.2146
_reflns_number_gt                3254
_reflns_number_total             4048
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            2012-102.cif
_cod_data_source_block           zncl4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'TRICLINIC' changed to 'triclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN'
changed to 'multi-scan' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1512991