2-Hydroxybicyclo[2.2.1]heptane-2-<i>endo</i>-carboxylic acid
Betz, Richard; Klüfers, Peter; Acta Crystallographica Section E 63 (2007) o4185–o4185; doi:10.1107/S1600536807047071

data_2215411
_publ_section_title
;
 2-Hydroxybicyclo[2.2.1]heptane-2-<i>endo</i>-carboxylic acid
;
_journal_coeditor_code           CF2148
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o4185
_journal_page_last               o4185
_journal_paper_doi               10.1107/S1600536807047071
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C8 H12 O3'
_chemical_formula_moiety         'C8 H12 O3'
_chemical_formula_sum            'C8 H12 O3'
_chemical_formula_weight         156.18
_chemical_name_common
;
<i>endo</i>-2-Hydroxy-2-norbornane-2-carboxylic acid
;
_chemical_name_systematic
;
2-Hydroxybicyclo[2.2.1]heptane-2-<i>endo</i>-carboxylic acid
;
_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'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           'form98_non/compatible with shelxl97-2'
_cell_angle_alpha                90.00
_cell_angle_beta                 102.506(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.4780(6)
_cell_length_b                   6.8145(3)
_cell_length_c                   10.1444(5)
_cell_measurement_reflns_used    17661
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      3.134
_cell_volume                     774.64(7)
_computing_cell_refinement       'SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 2004)'
_computing_data_reduction
'DENZO and SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEPIII (Burnett & Johnson, 1996)'
_computing_publication_material  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'thick-slice \w and \f scans'
_diffrn_radiation_monochromator  'MONTEL, graded multilayered X-ray optics'
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0395
_diffrn_reflns_av_sigmaI/netI    0.0313
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            6408
_diffrn_reflns_theta_full        27.42
_diffrn_reflns_theta_max         27.42
_diffrn_reflns_theta_min         3.49
_exptl_absorpt_coefficient_mu    0.102
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.339
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             336
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.226
_refine_diff_density_min         -0.211
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    refU
_refine_ls_matrix_type           full
_refine_ls_number_parameters     103
_refine_ls_number_reflns         1765
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0660
_refine_ls_R_factor_gt           0.0448
_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^)+(0.0509P)^2^+0.3026P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1067
_refine_ls_wR_factor_ref         0.1190
_reflns_number_gt                1314
_reflns_number_total             1765
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cf2148.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2215411
_cod_database_fobs_code          2215411