(2<i>S</i>*,4a<i>R</i>*,8a<i>S</i>*)-6-Oxoperhydronaphthalene-2-carboxylic acid: dual hydrogen-bonding modes in a bicyclic ζ-keto acid
Lalancette, Roger A.; Thompson, Hugh W.; Kikolski, Elizabeth M.; Davison, Mark; Acta Crystallographica Section E 63 (2007) o1949–o1951; doi:10.1107/S1600536807011609

data_2213036
_publ_section_title
;
 (2<i>S</i>*,4a<i>R</i>*,8a<i>S</i>*)-6-Oxoperhydronaphthalene-2-carboxylic
 acid: dual hydrogen-bonding modes in a bicyclic \z-keto acid
;
_journal_coeditor_code           SU3004
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1949
_journal_page_last               o1951
_journal_paper_doi               10.1107/S1600536807011609
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C11 H16 O3'
_chemical_formula_moiety         'C11 H16 O3'
_chemical_formula_sum            'C11 H16 O3'
_chemical_formula_weight         196.24
_chemical_melting_point          393
_chemical_name_systematic
;
(2S*,4aR*,8aS*)-6-Oxoperhydronaphthalene-2-carboxylic acid
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                112.6743(6)
_cell_angle_beta                 91.9072(6)
_cell_angle_gamma                90.6949(6)
_cell_formula_units_Z            4
_cell_length_a                   7.40890(10)
_cell_length_b                   11.3743(2)
_cell_length_c                   12.9478(2)
_cell_measurement_reflns_used    10147
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      67.85
_cell_measurement_theta_min      3.70
_cell_volume                     1005.87(3)
_computing_cell_refinement       APEX2
_computing_data_collection       'APEX2 (Bruker, 2006)'
_computing_data_reduction        'SAINT (Bruker, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2004)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.913
_diffrn_measured_fraction_theta_max 0.913
_diffrn_measurement_device_type  'Bruker SMART CCD APEXII area-detector'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0166
_diffrn_reflns_av_sigmaI/netI    0.0156
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            10147
_diffrn_reflns_theta_full        67.85
_diffrn_reflns_theta_max         67.85
_diffrn_reflns_theta_min         3.70
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.760
_exptl_absorpt_correction_T_max  0.9010
_exptl_absorpt_correction_T_min  0.7903
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2001)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.296
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             424
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.39
_refine_diff_density_min         -0.20
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.03
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     255
_refine_ls_number_reflns         3340
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.03
_refine_ls_R_factor_all          0.045
_refine_ls_R_factor_gt           0.041
_refine_ls_shift/su_max          0.00
_refine_ls_shift/su_mean         0.00
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0476P)^2^+0.6443P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.103
_refine_ls_wR_factor_ref         0.106
_reflns_number_gt                3041
_reflns_number_total             3340
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            su3004.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 'Triclinic' changed to 'triclinic'
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_database_code               2213036
_cod_database_fobs_code          2213036