3-Methylisoxazole-5-carboxylic acid
Huth, Susanne L.; Hursthouse, Michael B.; Crystal Structure Report Archive  (2007) 370–; doi:

data_1519825
_publ_section_title
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 3-Methylisoxazole-5-carboxylic acid
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_journal_name_full               'Crystal Structure Report Archive'
_journal_page_first              370
_journal_year                    2007
_chemical_formula_sum            'C5 H5 N O3'
_chemical_formula_weight         127.10
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 96.887(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.2391(2)
_cell_length_b                   13.8231(5)
_cell_length_c                   6.4019(2)
_cell_measurement_reflns_used    16010
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     548.14(3)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type
'Bruker-Nonius APEX II CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  '10cm confocal mirrors'
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0430
_diffrn_reflns_av_sigmaI/netI    0.0297
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            6753
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         2.95
_exptl_absorpt_coefficient_mu    0.130
_exptl_absorpt_correction_T_max  0.9948
_exptl_absorpt_correction_T_min  0.9897
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2007/2 (Sheldrick, G.M., 2007)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.540
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'cut block'
_exptl_crystal_F_000             264
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.354
_refine_diff_density_min         -0.188
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.203
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     87
_refine_ls_number_reflns         1247
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.204
_refine_ls_R_factor_all          0.0461
_refine_ls_R_factor_gt           0.0424
_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^)+(0.0423P)^2^+0.2963P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1120
_refine_ls_wR_factor_ref         0.1153
_reflns_number_gt                1152
_reflns_number_total             1247
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            eCrystal-370.cif
_cod_data_source_block           2007may0011
_cod_depositor_comments
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Citation :
Sample, Donated and Huth, Susanne L. and Hursthouse, Michael B. (2007) 
University of Southampton, Crystal Structure Report Archive. 
(doi:10.5258/ecrystals/370)

More at:
http://ecrystals.chem.soton.ac.uk/370/

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 3392 2015-05-12 13:50:21Z andrius 
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_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1519825