Polymorphism in 4′-Hydroxyacetophenone: Structure and Energetics
Bernardes, Carlos E. S.; Piedade, M. Fátima M.; Piedade, Manuel E. Minas da; Crystal Growth & Design 8 (2008) 2419–; doi:10.1021/cg7012792

data_4503537
_publ_section_title
;
 Polymorphism in 4&#x2032;-Hydroxyacetophenone: Structure and Energetics
;
_journal_issue                   7
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              2419
_journal_paper_doi               10.1021/cg7012792
_journal_volume                  8
_journal_year                    2008
_chemical_formula_sum            'C8 H8 O2'
_chemical_formula_weight         136.15
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 95.02(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.7200(15)
_cell_length_b                   8.3600(17)
_cell_length_c                   11.280(2)
_cell_measurement_temperature    293(2)
_cell_volume                     725.2(2)
_computing_cell_refinement       'BRUKER SMART'
_computing_data_collection       'BRUKER SMART'
_computing_data_reduction        'BRUKER SMART'
_computing_molecular_graphics    'ORTEP and MERCURY'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.968
_diffrn_measured_fraction_theta_max 0.938
_diffrn_measurement_device_type  'CCD Area Detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0329
_diffrn_reflns_av_sigmaI/netI    0.0365
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            5582
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         29.23
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.9947
_exptl_absorpt_correction_T_min  0.9832
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.247
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             288
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.111
_refine_diff_density_min         -0.125
_refine_diff_density_rms         0.026
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.989
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     111
_refine_ls_number_reflns         1851
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.989
_refine_ls_R_factor_all          0.0995
_refine_ls_R_factor_gt           0.0441
_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^)+(0.0612P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1052
_refine_ls_wR_factor_ref         0.1295
_reflns_number_gt                940
_reflns_number_total             1851
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg7012792-file004.cif
_cod_data_source_block           250507acetofenona298k
_cod_original_cell_volume        725.2(3)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4503537