(<i>E</i>)-Isopropyl 3-(3,4-dihydroxyphenyl)acrylate
Shen, Xu-Ji; Liu, Shi-Yu; Jia, Pu; Wang, Shi-Xiang; Zheng, Xiao-Hui; Acta Crystallographica Section E 67 (2011) o17–; doi:10.1107/S1600536810044272

data_2228798
_publ_section_title
;
 (<i>E</i>)-Isopropyl 3-(3,4-dihydroxyphenyl)acrylate
;
_journal_coeditor_code           LH5158
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o17
_journal_paper_doi               10.1107/S1600536810044272
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C12 H14 O4'
_chemical_formula_moiety         'C12 H14 O4'
_chemical_formula_sum            'C12 H14 O4'
_chemical_formula_weight         222.23
_chemical_melting_point          415
_chemical_name_systematic
;
(<i>E</i>)-Isopropyl 3-(3,4-dihydroxyphenyl)acrylate
;
_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                65.690(2)
_cell_angle_beta                 89.370(3)
_cell_angle_gamma                81.018(3)
_cell_formula_units_Z            2
_cell_length_a                   5.8830(14)
_cell_length_b                   9.644(2)
_cell_length_c                   11.428(3)
_cell_measurement_reflns_used    966
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.48
_cell_measurement_theta_min      2.35
_cell_volume                     582.6(2)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       '\f and \w'
_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  0.0146
_diffrn_reflns_av_sigmaI/netI    0.0278
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            2938
_diffrn_reflns_theta_full        25.10
_diffrn_reflns_theta_max         25.10
_diffrn_reflns_theta_min         1.96
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.267
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             236
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.156
_refine_diff_density_min         -0.132
_refine_ls_extinction_coef       0.059(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     150
_refine_ls_number_reflns         2042
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0633
_refine_ls_R_factor_gt           0.0453
_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^)+(0.0822P)^2^+0.0498P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1301
_refine_ls_wR_factor_ref         0.1507
_reflns_number_gt                1436
_reflns_number_total             2042
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh5158.cif
_cod_data_source_block           I
_cod_database_code               2228798
_cod_database_fobs_code          2228798