#------------------------------------------------------------------------------
#$Date: 2016-03-26 18:08:36 +0200 (Sat, 26 Mar 2016) $
#$Revision: 180413 $
#$URL: svn://www.crystallography.net/cod/cif/7/20/82/7208253.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_7208253
loop_
_publ_author_name
'Montis, Riccardo'
'Hursthouse, Michael B.'
_publ_section_title
;
 Surprisingly complex supramolecular behaviour in the crystal structures
 of a family of mono-substituted salicylic acids
;
_journal_issue                   16
_journal_name_full               CrystEngComm
_journal_page_first              5242
_journal_paper_doi               10.1039/c2ce25336d
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C8 H8 O4'
_chemical_formula_sum            'C8 H8 O4'
_chemical_formula_weight         168.14
_chemical_name_common            '3-methoxysalicylic acid'
_chemical_name_systematic
;
'3-methoxy-2-hydroxobenzoic acid
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 94.891(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   3.7935(2)
_cell_length_b                   27.8954(16)
_cell_length_c                   7.0172(4)
_cell_measurement_reflns_used    16762
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     739.86(7)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type
'Bruker-Nonius Roper CCD camera on κ-goniostat'
_diffrn_measurement_method       'φ & ω scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0470
_diffrn_reflns_av_sigmaI/netI    0.0378
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            8164
_diffrn_reflns_theta_full        27.55
_diffrn_reflns_theta_max         27.55
_diffrn_reflns_theta_min         2.92
_exptl_absorpt_coefficient_mu    0.123
_exptl_absorpt_correction_T_max  0.9854
_exptl_absorpt_correction_T_min  0.9664
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2007/2 (Sheldrick, G.M., 2007)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.510
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             352
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.219
_refine_diff_density_min         -0.227
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     118
_refine_ls_number_reflns         1678
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.083
_refine_ls_R_factor_all          0.0532
_refine_ls_R_factor_gt           0.0420
_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)+(0.0588P)²+0.1938P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1122
_refine_ls_wR_factor_ref         0.1187
_reflns_number_gt                1375
_reflns_number_total             1678
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce25336d.txt
_cod_data_source_block           3-methoxysalicylic_acid
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7208253
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x+1/2, y+1/2, -z+1/2'
'-x, -y, -z'
'x-1/2, -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
C1 C 0.2884(4) 0.08657(5) 0.20592(19) 0.0200(3) Uani 1 1 d .
C2 C 0.2968(4) 0.13426(5) 0.26801(19) 0.0201(3) Uani 1 1 d .
C3 C 0.4106(4) 0.17040(5) 0.14574(19) 0.0198(3) Uani 1 1 d .
C4 C 0.5136(4) 0.15791(5) -0.0323(2) 0.0230(3) Uani 1 1 d .
H4 H 0.5914 0.1821 -0.1142 0.028 Uiso 1 1 calc R
C5 C 0.5045(4) 0.11027(5) -0.0929(2) 0.0245(3) Uani 1 1 d .
H5 H 0.5758 0.1023 -0.2155 0.029 Uiso 1 1 calc R
C6 C 0.3933(4) 0.07475(5) 0.0237(2) 0.0236(3) Uani 1 1 d .
H6 H 0.3871 0.0424 -0.0183 0.028 Uiso 1 1 calc R
C7 C 0.1657(4) 0.04914(5) 0.33136(19) 0.0220(3) Uani 1 1 d .
C8 C 0.5317(4) 0.25347(5) 0.1031(2) 0.0250(3) Uani 1 1 d .
H8A H 0.7750 0.2465 0.0748 0.037 Uiso 1 1 calc R
H8B H 0.5264 0.2839 0.1725 0.037 Uiso 1 1 calc R
H8C H 0.3801 0.2558 -0.0168 0.037 Uiso 1 1 calc R
O1 O 0.1811(3) 0.00494(4) 0.26644(15) 0.0306(3) Uani 1 1 d .
O2 O 0.0538(3) 0.05803(4) 0.48978(14) 0.0264(3) Uani 1 1 d .
O3 O 0.2016(3) 0.14869(4) 0.44092(14) 0.0257(3) Uani 1 1 d .
O4 O 0.4054(3) 0.21574(3) 0.21838(14) 0.0243(3) Uani 1 1 d .
H1A H 0.091(6) -0.0171(9) 0.356(3) 0.070(7) Uiso 1 1 d .
H3A H 0.123(5) 0.1198(8) 0.493(3) 0.049(6) Uiso 1 1 d .
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
C1 0.0205(7) 0.0204(7) 0.0192(7) 0.0011(5) 0.0024(5) 0.0014(5)
C2 0.0204(7) 0.0227(7) 0.0175(6) 0.0001(5) 0.0027(5) 0.0020(5)
C3 0.0184(7) 0.0191(7) 0.0218(7) 0.0009(5) 0.0011(5) 0.0003(5)
C4 0.0212(7) 0.0260(7) 0.0220(7) 0.0047(6) 0.0034(5) 0.0004(5)
C5 0.0242(7) 0.0301(8) 0.0195(7) -0.0012(6) 0.0042(5) 0.0023(6)
C6 0.0246(7) 0.0236(7) 0.0224(7) -0.0025(5) 0.0022(6) 0.0024(5)
C7 0.0240(7) 0.0189(7) 0.0231(7) -0.0015(5) 0.0016(6) 0.0019(5)
C8 0.0259(7) 0.0228(7) 0.0264(7) 0.0053(5) 0.0034(6) -0.0045(6)
O1 0.0470(7) 0.0178(5) 0.0288(6) -0.0019(4) 0.0144(5) -0.0013(5)
O2 0.0384(7) 0.0199(5) 0.0220(5) 0.0007(4) 0.0090(5) -0.0009(4)
O3 0.0390(6) 0.0191(5) 0.0202(5) -0.0010(4) 0.0103(4) -0.0018(4)
O4 0.0317(6) 0.0178(5) 0.0241(5) 0.0023(4) 0.0068(4) -0.0016(4)
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
C2 C1 C6 120.26(12)
C2 C1 C7 119.33(12)
C6 C1 C7 120.41(13)
O3 C2 C1 124.06(12)
O3 C2 C3 116.69(12)
C1 C2 C3 119.25(12)
O4 C3 C4 125.77(13)
O4 C3 C2 114.77(12)
C4 C3 C2 119.46(13)
C3 C4 C5 120.89(13)
C3 C4 H4 119.6
C5 C4 H4 119.6
C6 C5 C4 120.43(13)
C6 C5 H5 119.8
C4 C5 H5 119.8
C5 C6 C1 119.73(13)
C5 C6 H6 120.1
C1 C6 H6 120.1
O2 C7 O1 121.50(12)
O2 C7 C1 122.84(12)
O1 C7 C1 115.66(12)
O4 C8 H8A 109.5
O4 C8 H8B 109.5
H8A C8 H8B 109.5
O4 C8 H8C 109.5
H8A C8 H8C 109.5
H8B C8 H8C 109.5
C7 O1 H1A 110.1(14)
C2 O3 H3A 102.3(12)
C3 O4 C8 116.95(11)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
C1 C2 1.399(2)
C1 C6 1.4105(19)
C1 C7 1.4668(19)
C2 O3 1.3562(16)
C2 C3 1.4151(19)
C3 O4 1.3643(16)
C3 C4 1.3846(19)
C4 C5 1.395(2)
C4 H4 0.9500
C5 C6 1.374(2)
C5 H5 0.9500
C6 H6 0.9500
C7 O2 1.2482(16)
C7 O1 1.3175(16)
C8 O4 1.4345(16)
C8 H8A 0.9800
C8 H8B 0.9800
C8 H8C 0.9800
O1 H1A 0.96(3)
O3 H3A 0.94(2)
loop_
_geom_hbond_atom_site_label_D
_geom_hbond_atom_site_label_H
_geom_hbond_atom_site_label_A
_geom_hbond_distance_DH
_geom_hbond_distance_HA
_geom_hbond_distance_DA
_geom_hbond_angle_DHA
_geom_hbond_site_symmetry_A
O1 H1A O2 0.96(3) 1.70(3) 2.6582(14) 177(2) 3_556
