Salts of 3,5-dinitrobenzoic acid with organic diamines: hydrogen-bonded supramolecular structures in one, two and three dimensions
Burchell, Colin J.; Glidewell, Christopher; Lough, Alan J.; Ferguson, George; Acta Crystallographica Section B 57 (2001) 201–212; doi:10.1107/S010876810001853X

data_2103611
_publ_section_title
;
 Salts of 3,5-dinitrobenzoic acid with organic diamines:
 hydrogen-bonded supramolecular structures in one, two and three
 dimensions
;
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              201
_journal_page_last               212
_journal_paper_doi               10.1107/S010876810001853X
_journal_volume                  57
_journal_year                    2001
_chemical_formula_moiety         '2(C7 H3 N2 O6), C6 H16 N2'
_chemical_formula_sum            'C20 H22 N6 O12'
_chemical_formula_weight         538.44
_chemical_name_systematic
;
3,5-Dinitrobenzoic acid--N,N'-dimethylpiperazine (2/1)
;
_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'
_cell_angle_alpha                90.00
_cell_angle_beta                 99.1990(18)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.1399(2)
_cell_length_b                   21.1749(6)
_cell_length_c                   7.8255(2)
_cell_measurement_reflns_used    3926
_cell_measurement_temperature    100.00(10)
_cell_measurement_theta_max      32.01
_cell_measurement_theta_min      2.81
_cell_volume                     1167.90(6)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Kappa-CCD server software (Nonius, 1997)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics
'NRCVAX-96, ORTEP (Johnson, 1976), PLATON (Spek, 2000)'
_computing_publication_material
'NRCVAX-96, SHELXL-97  and WordPerfect macro PRPKAPPA (Ferguson, 1999)'
_computing_structure_refinement  'NRCVAX-96 and SHELXL-97 (Sheldrick, 1997b)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      100.00(10)
_diffrn_measured_fraction_theta_full .967
_diffrn_measured_fraction_theta_max .967
_diffrn_measurement_device_type  Kappa-CCD
_diffrn_measurement_method       '\f scans and \w scans with \k offsets'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed X-ray tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .030
_diffrn_reflns_av_sigmaI/netI    .0505
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            4083
_diffrn_reflns_theta_full        32.01
_diffrn_reflns_theta_max         32.01
_diffrn_reflns_theta_min         2.81
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    .129
_exptl_absorpt_correction_T_max  .9624
_exptl_absorpt_correction_T_min  .9539
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO-SMN (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.531
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             560
_exptl_crystal_size_max          .37
_exptl_crystal_size_mid          .35
_exptl_crystal_size_min          .30
_refine_diff_density_max         .305
_refine_diff_density_min         -.301
_refine_ls_extinction_coef       .035(6)
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     174
_refine_ls_number_reflns         3926
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          .0642
_refine_ls_R_factor_gt           .0442
_refine_ls_shift/su_max          .001
_refine_ls_shift/su_mean         .000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0418P)^2^+0.4394P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .1266
_reflns_number_gt                3018
_reflns_number_total             3926
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            na0113.cif
_cod_data_source_block           5
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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 

The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2103611
_cod_database_fobs_code          2103611