Morpholinium 2-chloro-4-nitrobenzoate, 2-chloro-5-nitrobenzoate and 4-chloro-3-nitrobenzoate
Ishida, Hiroyuki; Rahman, Bilkish; Kashino,Setsuo; Acta Crystallographica Section C 57 (2001) 1450–1453; doi:10.1107/S0108270101016389

data_2012389
_publ_section_title
;
 Morpholinium 2-chloro-4-nitrobenzoate, 2-chloro-5-nitrobenzoate and
 4-chloro-3-nitrobenzoate
;
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1450
_journal_page_last               1453
_journal_paper_doi               10.1107/S0108270101016389
_journal_volume                  57
_journal_year                    2001
_chemical_formula_iupac          'C4 H10 N O 1+, C7 H3 Cl N O4 1-'
_chemical_formula_moiety         'C4 H10 N O 1+, C7 H3 Cl N O4 1-'
_chemical_formula_sum            'C11 H13 Cl N2 O5'
_chemical_formula_weight         288.69
_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'
_cell_angle_alpha                90
_cell_angle_beta                 109.09(4)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   19.76(2)
_cell_length_b                   10.085(7)
_cell_length_c                   13.639(5)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    296
_cell_measurement_theta_max      12.4
_cell_measurement_theta_min      11.1
_cell_volume                     2569(3)
_computing_cell_refinement       'MSC/AFC Diffractometer Control Software'
_computing_data_collection
;
MSC/AFC Diffractometer Control Software
(Molecular Structure Corporation, 1990)
;
_computing_data_reduction
'TEXSAN for Windows (Molecular Structure Corporation, 1997-1999)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'TEXSAN for Windows'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      296
_diffrn_measured_fraction_theta_full .999
_diffrn_measured_fraction_theta_max .999
_diffrn_measurement_device       'Rigaku AFC-5R'
_diffrn_measurement_method       \w-2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rigaku rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .025
_diffrn_reflns_av_sigmaI/netI    .077
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            3198
_diffrn_reflns_reduction_process 'Lp corrections applied'
_diffrn_reflns_theta_full        27.5
_diffrn_reflns_theta_max         27.5
_diffrn_reflns_theta_min         2.18
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    .316
_exptl_absorpt_correction_T_max  .925
_exptl_absorpt_correction_T_min  .884
_exptl_absorpt_correction_type   '\y scan'
_exptl_absorpt_process_details   '(North et al., 1968)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.493
_exptl_crystal_density_meas      ?
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1200.0
_exptl_crystal_size_max          .40
_exptl_crystal_size_mid          .30
_exptl_crystal_size_min          .25
_refine_diff_density_max         .25
_refine_diff_density_min         -.20
_refine_ls_extinction_coef       .0053(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.03
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     225
_refine_ls_number_reflns         2945
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.03
_refine_ls_R_factor_all          .098
_refine_ls_R_factor_gt           .047
_refine_ls_shift/su_max          .001
_refine_ls_shift/su_mean         .001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+2.0068P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          .098
_refine_ls_wR_factor_ref         .116
_reflns_number_gt                1850
_reflns_number_total             2945
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ob1046.cif
_cod_data_source_block           III
_cod_depositor_comments
;
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      'C 2/c'
_cod_original_formula_sum        'C11 H13 Cl N2 O5 '
_cod_database_code               2012389
_cod_database_fobs_code          2012389