2,4,6-Trihydroxyanisole
Xiao, Zhu-Ping; Zheng, Da-Gui; Xie, Guo-Hao; Ye, Hong-De; Acta Crystallographica Section E 63 (2007) o2941–o2941; doi:10.1107/S1600536807022787

data_2213922
_publ_section_title
;
 2,4,6-Trihydroxyanisole
;
_journal_coeditor_code           OM2124
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2941
_journal_page_last               o2941
_journal_paper_doi               10.1107/S1600536807022787
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C7 H8 O4'
_chemical_formula_moiety         'C7 H8 O4'
_chemical_formula_sum            'C7 H8 O4'
_chemical_formula_weight         156.13
_chemical_name_systematic
;
2,4,6-Trihydroxyanisole
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.2310(10)
_cell_length_b                   9.4010(19)
_cell_length_c                   15.095(3)
_cell_measurement_reflns_used    558
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.17
_cell_measurement_theta_min      2.78
_cell_volume                     742.3(3)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997b)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX'
_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  0.0405
_diffrn_reflns_av_sigmaI/netI    0.0335
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            881
_diffrn_reflns_theta_full        25.95
_diffrn_reflns_theta_max         25.95
_diffrn_reflns_theta_min         2.55
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.116
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   '(SADABS; Bruker, 1998)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.397
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             328
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.201
_refine_diff_density_min         -0.254
_refine_ls_abs_structure_details indeterminate
_refine_ls_extinction_coef       0.056(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 1997a)'
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     114
_refine_ls_number_reflns         861
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.078
_refine_ls_R_factor_all          0.0564
_refine_ls_R_factor_gt           0.0469
_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^)+(0.077P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1172
_refine_ls_wR_factor_ref         0.1249
_reflns_number_gt                736
_reflns_number_total             861
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om2124.cif
_cod_data_source_block           I
_cod_database_code               2213922
_cod_database_fobs_code          2213922