Metric engineering of perfluorocarbon-hydrocarbon layered solids driven by the halogen bonding.
Metrangolo, Pierangelo; Pilati, Tullio; Resnati, Giuseppe; Stevenazzi, Andrea; Chemical communications (Cambridge, England)  (2004) 1492–1493; doi:10.1039/b402305f

data_7102702
_publ_section_title
;
 Metric engineering of perfluorocarbon-hydrocarbon layered solids
 driven by the halogen bonding.
;
_journal_issue                   13
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              1492
_journal_page_last               1493
_journal_paper_doi               10.1039/b402305f
_journal_year                    2004
_chemical_formula_moiety         'C6 H8 N2, C2 F4 I2'
_chemical_formula_sum            'C8 H8 F4 I2 N2'
_chemical_formula_weight         461.96
_chemical_name_systematic
;
1,4-dicianobutane 1,2-diiodotetrafluoroethane
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
July 7th, 2003

Checkcif

;
_cell_angle_alpha                90.00
_cell_angle_beta                 95.15(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.752(2)
_cell_length_b                   6.3557(14)
_cell_length_c                   12.991(3)
_cell_measurement_reflns_used    3199
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      34.965
_cell_measurement_theta_min      2.949
_cell_volume                     637.5(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'ORTEPIII (Burnett & Johnson,1996)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-92, (Altomare et al., 1994)'
_diffrn_ambient_temperature      90(2)
_diffrn_measured_fraction_theta_full 0.893
_diffrn_measured_fraction_theta_max 0.893
_diffrn_measurement_device_type  'Bruker APEX CCD area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_av_R_equivalents  0.0508
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_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            11423
_diffrn_reflns_theta_full        36.21
_diffrn_reflns_theta_max         36.21
_diffrn_reflns_theta_min         2.95
_diffrn_standards_decay_%        0.00
_exptl_absorpt_coefficient_mu    4.958
_exptl_absorpt_correction_T_max  1.
_exptl_absorpt_correction_T_min  0.58191
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS,(Bruker, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.407
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             424
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_exptl_crystal_size_min          0.05
_refine_diff_density_max         3.042
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_refine_ls_matrix_type           full
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_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.0684
_refine_ls_R_factor_gt           0.0464
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0372P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0848
_refine_ls_wR_factor_ref         0.0904
_reflns_number_gt                2246
_reflns_number_total             2935
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            b402305f.txt
_cod_data_source_block           re97lt
_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 2.4.1 from
2010-06-29.

'_geom_bond_publ_flag' value 'NO' changed to 'no' according
to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (12
times).

'_geom_angle_publ_flag' value 'NO' changed to 'no' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (19
times).

'_geom_torsion_publ_flag' value 'NO' changed to 'no' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7102702