Cyclohexylammonium dichloroacetate
Jian-Ping Wang; Xi-Xing Cheng; Jian-Ge Wang; Qing-Hua Chen; Acta Crystallographica Section E 61 (2005) o4006–o4007; doi:10.1107/S1600536805035324

data_2207549
_publ_section_title
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 Cyclohexylammonium dichloroacetate
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_journal_coeditor_code           HG6248
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o4006
_journal_page_last               o4007
_journal_paper_doi               10.1107/S1600536805035324
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C6 H14 N + , C2 H Cl2 O2 -'
_chemical_formula_moiety         'C6 H14 N + , C2 H Cl2 O2 -'
_chemical_formula_sum            'C8 H15 Cl2 N O2'
_chemical_formula_weight         228.10
_chemical_name_systematic
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Cyclohexylammonium dichloroacetate
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.6435(8)
_cell_length_b                   8.5960(10)
_cell_length_c                   19.135(2)
_cell_measurement_reflns_used    5012
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.60
_cell_measurement_theta_min      2.60
_cell_volume                     1092.8(2)
_computing_cell_refinement       APEXII
_computing_data_collection       'APEXII (Bruker 2004)'
_computing_data_reduction        'SAINT (Bruker 2004)'
_computing_molecular_graphics    'SHELXTL (Bruker 2004)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0214
_diffrn_reflns_av_sigmaI/netI    0.0196
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            9724
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.60
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.564
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.380
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             480
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.283
_refine_diff_density_min         -0.296
_refine_ls_abs_structure_details 'Flack (1983)'
_refine_ls_abs_structure_Flack   0.02(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     119
_refine_ls_number_reflns         2497
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0328
_refine_ls_R_factor_gt           0.0298
_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^)+(0.0362P)^2^+0.2076P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0766
_refine_ls_wR_factor_ref         0.0784
_reflns_number_gt                2308
_reflns_number_total             2497
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hg6248.cif
_cod_data_source_block           I
_cod_depositor_comments
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The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 
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_cod_database_code               2207549
_cod_database_fobs_code          2207549