#------------------------------------------------------------------------------
#$Date: 2016-02-14 06:40:26 +0200 (Sun, 14 Feb 2016) $
#$Revision: 176432 $
#$URL: svn://www.crystallography.net/cod/cif/7/20/80/7208087.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_7208087
loop_
_publ_author_name
'Cai, Weizhao'
'Katrusiak, Andrzej'
_publ_section_title
;
 Pressure effects on H-ordering in hydrogen bonds and interactions in
 benzoic acid
;
_journal_issue                   13
_journal_name_full               CrystEngComm
_journal_page_first              4420
_journal_paper_doi               10.1039/c2ce25128k
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C7 H6 O2'
_chemical_formula_sum            'C7 H6 O2'
_chemical_formula_weight         122.12
_chemical_name_common            'benzioc acid'
_chemical_name_systematic
;
?
;
_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                 98.78(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.2959(8)
_cell_length_b                   5.0110(8)
_cell_length_c                   21.651(14)
_cell_measurement_pressure       640000
_cell_measurement_reflns_used    2300
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.41
_cell_measurement_theta_min      4.49
_cell_volume                     567.8(4)
_computing_cell_refinement       'CrysAlis (Oxford Diffraction, 2004)'
_computing_data_collection       'CrysAlis (Oxford Diffraction, 2004)'
_computing_data_reduction        'CrysAlisRED (Oxford Diffraction, 2004)'
_computing_molecular_graphics    'Mercury (Macrae et al., 2008)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.141
_diffrn_measured_fraction_theta_max 0.141
_diffrn_measurement_device_type  'Kuma KM4CCD κ geometry'
_diffrn_measurement_method
;HP omega scans - for more details see:
A. Budzianowski, A. Katrusiak in High-Pressure Crystallography
(Eds.: A. Katrusiak, P. F. McMillan),
Dordrecht: Kluwer Acad. Publ., 2004 pp.157-168
;
_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  0.2105
_diffrn_reflns_av_sigmaI/netI    0.0900
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            2300
_diffrn_reflns_theta_full        28.41
_diffrn_reflns_theta_max         28.41
_diffrn_reflns_theta_min         4.49
_exptl_absorpt_coefficient_mu    0.105
_exptl_absorpt_correction_T_max  0.923
_exptl_absorpt_correction_T_min  0.433
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
Katrusiak, A. (2003). REDSHABS - Program for correcting
reflections intensities for DAC absorption, gasket shadowing
and sample crystal absorption. Adam Mickiewicz University, Poznań.
Katrusiak, A. (2004). Z. Kristallogr. 219, 461-467
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.428
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate-shaped
_exptl_crystal_F_000             256
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.37
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.086
_refine_diff_density_min         -0.089
_refine_diff_density_rms         0.021
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.211
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     82
_refine_ls_number_reflns         201
_refine_ls_number_restraints     113
_refine_ls_restrained_S_all      0.990
_refine_ls_R_factor_all          0.1081
_refine_ls_R_factor_gt           0.0927
_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/[σ²(Fo²)+(0.0548P)²+0.8397P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1775
_refine_ls_wR_factor_ref         0.1883
_reflns_number_gt                180
_reflns_number_total             201
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce25128k.txt
_cod_data_source_block           benziocacid_0.64GPa(CCDC864018)
_cod_original_sg_symbol_Hall     '-p 2ybc'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7208087
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, y+1/2, -z+1/2'
'-x, -y, -z'
'x, -y-1/2, z-1/2'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
O1 O 0.2303(10) 0.2437(10) 0.0130(7) 0.060(5) Uani 1 1 d DU
H6A H 0.1728 0.1146 -0.0078 0.090 Uiso 0.76(13) 1 calc PR
O2 O -0.0992(9) 0.1465(10) 0.0651(7) 0.057(4) Uani 1 1 d U
H6 H -0.1287 0.0301 0.0384 0.086 Uiso 0.24(13) 1 calc PR
C1 C 0.1032(14) 0.2816(12) 0.0560(13) 0.041(4) Uani 1 1 d U
C2 C 0.1792(16) 0.4924(12) 0.1025(14) 0.041(4) Uani 1 1 d U
C3 C 0.3898(14) 0.6563(15) 0.1033(10) 0.050(4) Uani 1 1 d U
H1 H 0.4923 0.6244 0.0728 0.060 Uiso 1 1 calc R
C4 C 0.4599(15) 0.8504(14) 0.1421(14) 0.044(4) Uani 1 1 d U
H2 H 0.5954 0.9619 0.1368 0.053 Uiso 1 1 calc R
C5 C 0.3243(14) 0.8844(13) 0.1916(8) 0.052(4) Uani 1 1 d DU
H3 H 0.3743 1.0191 0.2204 0.062 Uiso 1 1 calc R
C6 C 0.1189(14) 0.7269(13) 0.1997(7) 0.051(4) Uani 1 1 d DU
H4 H 0.0328 0.7487 0.2337 0.061 Uiso 1 1 calc R
C7 C 0.0459(16) 0.5304(14) 0.1537(14) 0.052(4) Uani 1 1 d DU
H5 H -0.0943 0.4227 0.1571 0.062 Uiso 1 1 calc R
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_23
_atom_site_aniso_U_13
_atom_site_aniso_U_12
O1 0.067(4) 0.061(3) 0.058(13) -0.018(6) 0.030(7) -0.004(3)
O2 0.057(3) 0.055(3) 0.058(13) 0.002(6) 0.006(6) -0.016(2)
C1 0.043(4) 0.041(3) 0.043(12) -0.005(7) 0.021(8) 0.009(3)
C2 0.044(4) 0.035(3) 0.042(11) 0.017(7) -0.001(7) 0.006(3)
C3 0.043(4) 0.055(4) 0.051(12) 0.007(8) 0.000(7) 0.006(3)
C4 0.036(4) 0.048(3) 0.045(12) -0.002(7) -0.002(7) 0.001(3)
C5 0.055(4) 0.046(3) 0.052(12) 0.001(7) 0.002(8) 0.007(3)
C6 0.051(4) 0.049(4) 0.052(12) 0.002(7) 0.008(8) -0.004(3)
C7 0.053(4) 0.048(4) 0.052(12) 0.007(8) 0.002(8) -0.002(3)
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
C1 O1 H6A 109.5
C1 O2 H6 109.5
O1 C1 O2 125.7(15)
O1 C1 C2 119.9(8)
O2 C1 C2 114.3(16)
C3 C2 C1 124.7(18)
C3 C2 C7 114.2(19)
C1 C2 C7 121.0(9)
C4 C3 C2 127.0(16)
C4 C3 H1 116.5
C2 C3 H1 116.5
C3 C4 C5 117.4(9)
C3 C4 H2 121.3
C5 C4 H2 121.3
C6 C5 C4 122.7(12)
C6 C5 H3 118.7
C4 C5 H3 118.7
C7 C6 C5 116.5(13)
C7 C6 H4 121.8
C5 C6 H4 121.8
C6 C7 C2 122.1(8)
C6 C7 H5 119.0
C2 C7 H5 119.0
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
O1 C1 1.24(2)
O1 H6A 0.8200
O2 C1 1.309(8)
O2 H6 0.8200
C1 C2 1.47(3)
C2 C3 1.383(10)
C2 C7 1.41(4)
C3 C4 1.30(2)
C3 H1 0.9300
C4 C5 1.39(3)
C4 H2 0.9300
C5 C6 1.377(9)
C5 H3 0.9300
C6 C7 1.41(3)
C6 H4 0.9300
C7 H5 0.9300
loop_
_geom_torsion_atom_site_label_1
_geom_torsion_atom_site_label_2
_geom_torsion_atom_site_label_3
_geom_torsion_atom_site_label_4
_geom_torsion
O1 C1 C2 C3 -1(3)
O2 C1 C2 C3 178.4(15)
O1 C1 C2 C7 -176.7(16)
O2 C1 C2 C7 3(2)
C1 C2 C3 C4 177.6(16)
C7 C2 C3 C4 -6(3)
C2 C3 C4 C5 6(2)
C3 C4 C5 C6 -2(2)
C4 C5 C6 C7 -1.8(18)
C5 C6 C7 C2 1(2)
C3 C2 C7 C6 2(3)
C1 C2 C7 C6 178.4(12)
