Influence of chloro⋯chloro interaction and π‒π stacking in 3D supramolecular framework construction
Sengupta, Satirtha; Goswami, Arijit; Ganguly, Sumi; Bala, Sukhen; Bhunia, Manas Kumar; Mondal, Raju; CrystEngComm 13 (2011) 6136–; doi:10.1039/c1ce05345k

data_7215418
_publ_section_title
;
 Influence of chloro&#x22EF;chloro interaction and \p--\p stacking in 3D
 supramolecular framework construction
;
_journal_issue                   20
_journal_name_full               CrystEngComm
_journal_page_first              6136
_journal_paper_doi               10.1039/c1ce05345k
_journal_volume                  13
_journal_year                    2011
_chemical_formula_sum            'C17 H9 Cl3 N2 O3 Zn'
_chemical_formula_weight         460.98
_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                73.757(2)
_cell_angle_beta                 73.122(2)
_cell_angle_gamma                76.445(2)
_cell_formula_units_Z            2
_cell_length_a                   8.2531(7)
_cell_length_b                   10.6582(10)
_cell_length_c                   12.4388(11)
_cell_measurement_reflns_used    4502
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      29.48
_cell_measurement_theta_min      2.35
_cell_volume                     991.16(15)
_computing_cell_refinement       'Bruker APEX-2'
_computing_data_collection       'Bruker APEX-2'
_computing_data_reduction        'Bruker SHELXTL'
_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      120(2)
_diffrn_detector_area_resol_mean 8
_diffrn_measured_fraction_theta_full 0.947
_diffrn_measured_fraction_theta_max 0.947
_diffrn_measurement_device_type  'Bruker APEX-2 CCD area detector'
_diffrn_measurement_method       '/w 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  0.0384
_diffrn_reflns_av_sigmaI/netI    0.0501
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            11055
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         1.76
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    1.661
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.773746
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS v.2.03 (Bruker, 2001), R(int)=0.0865 before correction'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.545
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             460
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.439
_refine_diff_density_min         -0.506
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         4527
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0370
_refine_ls_R_factor_gt           0.0312
_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^)+(0.0326P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0765
_refine_ls_wR_factor_ref         0.0789
_reflns_number_gt                3834
_reflns_number_total             4527
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c1ce05345k.txt
_cod_data_source_block           ssg
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/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 2281 2013-09-26 08:29:07Z andrius 

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_sg_symbol_H-M      P-1
_cod_database_code               7215418