Crystal structure of (<i>E</i>)-pent-2-enoic acid
Peppel, Tim; Sonneck, Marcel; Spannenberg, Anke; Wohlrab, Sebastian; Acta Crystallographica Section E 71 (2015) o316–; doi:10.1107/S2056989015007203

data_2240611
_publ_section_title
;
 Crystal structure of (<i>E</i>)-pent-2-enoic acid
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o316
_journal_paper_doi               10.1107/S2056989015007203
_journal_volume                  71
_journal_year                    2015
_chemical_formula_iupac          'C5 H8 O2'
_chemical_formula_moiety         'C5 H8 O2'
_chemical_formula_sum            'C5 H8 O2'
_chemical_formula_weight         100.11
_chemical_name_systematic
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(<i>E</i>)-Pent-2-enoic acid
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                67.743(2)
_cell_angle_beta                 75.518(2)
_cell_angle_gamma                64.401(2)
_cell_formula_units_Z            2
_cell_length_a                   6.7336(13)
_cell_length_b                   6.7821(13)
_cell_length_c                   7.2349(14)
_cell_measurement_reflns_used    4399
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.65
_cell_measurement_theta_min      3.06
_cell_volume                     274.29(9)
_computing_cell_refinement
;
SAINT (Bruker, 2013)
;
_computing_data_collection
;
APEX2 (Bruker, 2014)
;
_computing_data_reduction
;
SAINT (Bruker, 2013)
;
_computing_molecular_graphics
;
SHELXL2014 (Sheldrick, 2015)
;
_computing_publication_material
;
SHELXL2014 (Sheldrick, 2015)
;
_computing_structure_refinement
;
SHELXL2014 (Sheldrick, 2015)
;
_computing_structure_solution
;
SHELXS97 (Sheldrick, 2008)
;
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0255
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            7544
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.992
_diffrn_reflns_theta_min         3.059
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.97
_exptl_absorpt_correction_T_min  0.81
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(SADABS; Bruker, 2014)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.212
_exptl_crystal_description       prism
_exptl_crystal_F_000             108
_exptl_crystal_size_max          0.506
_exptl_crystal_size_mid          0.351
_exptl_crystal_size_min          0.271
_refine_diff_density_max         0.357
_refine_diff_density_min         -0.189
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.099
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     69
_refine_ls_number_reflns         1323
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.0460
_refine_ls_R_factor_gt           0.0370
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0562P)^2^+0.0602P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1029
_refine_ls_wR_factor_ref         0.1126
_reflns_number_gt                1122
_reflns_number_total             1323
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            rz5155sup1.cif
_cod_data_source_block           I
_cod_database_code               2240611
_cod_database_fobs_code          2240611
_shelx_hkl_checksum              99314
_shelx_res_checksum              81131
_shelxl_version_number           2.014