#------------------------------------------------------------------------------
#$Date: 2016-02-20 02:53:41 +0200 (Sat, 20 Feb 2016) $
#$Revision: 176768 $
#$URL: svn://www.crystallography.net/cod/cif/2/10/20/2102064.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2102064
loop_
_publ_author_name
'Kaduk, James A.'
_publ_section_title
;
 Terephthalate salts: salts of monopositive cations
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              474
_journal_page_last               485
_journal_paper_doi               10.1107/S0108768199014718
_journal_volume                  56
_journal_year                    2000
_chemical_formula_sum            'C8 H4 K2 O4'
_chemical_formula_weight         242.31
_chemical_name_common            'dipotassium terephthalate'
_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'
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 113.08(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.561(4)
_cell_length_b                   3.9440(12)
_cell_length_c                   11.535(5)
_cell_measurement_reflns_used    19
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      11.36
_cell_measurement_theta_min      5.51
_cell_volume                     442.0(3)
_computing_cell_refinement       P3
_computing_data_collection       P3
_computing_data_reduction        XTAPE
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full .998
_diffrn_measured_fraction_theta_max .998
_diffrn_measurement_device_type  'scintillation counter'
_diffrn_measurement_method       θ-2θ
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .0228
_diffrn_reflns_av_sigmaI/netI    .0271
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       4
_diffrn_reflns_limit_k_min       -4
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            1130
_diffrn_reflns_theta_full        22.54
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 200
_diffrn_standards_number         5
_exptl_absorpt_coefficient_mu    1.052
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.821
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             244
_exptl_crystal_size_max          .45
_exptl_crystal_size_mid          .05
_exptl_crystal_size_min          .05
_refine_diff_density_max         .216
_refine_diff_density_min         -.194
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     66
_refine_ls_number_reflns         584
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          .0336
_refine_ls_R_factor_gt           .0248
_refine_ls_shift/su_max          .010
_refine_ls_shift/su_mean         .002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[σ²(Fo²)+(0.0339P)²+0.0595P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .0607
_reflns_number_gt                497
_reflns_number_total             584
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            bk0069.cif
_cod_data_source_block           K2tph
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               2102064
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_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_occupancy
_atom_site_type_symbol
K1 .61068(6) .20395(14) .16167(5) .0268(2) Uani d . 1 K
O1 .35218(18) .1856(5) .16464(16) .0290(5) Uani d . 1 O
O2 .32648(19) .3005(5) -.03264(17) .0291(5) Uani d . 1 O
C7 .2822(3) .2858(6) .0541(2) .0207(6) Uani d . 1 C
C1 .1358(3) .3988(6) .0259(2) .0214(6) Uani d . 1 C
C2 .0787(3) .3548(7) .1146(2) .0244(7) Uani d . 1 C
H2A .1312 .2575 .1921 .027(7) Uiso calc R 1 H
C6 .0548(3) .5466(7) -.0895(2) .0255(7) Uani d . 1 C
H6A .0913 .5789 -.1502 .029(7) Uiso calc R 1 H
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C .0033 .0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H .0000 .0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O .0106 .0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
K K .2009 .2494 '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_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle
O1 K1 O2 2_655 3_665 84.43(7)
O1 K1 O2 2_655 3_655 159.07(6)
O2 K1 O2 3_665 3_655 93.59(6)
O1 K1 O1 2_655 . 82.18(6)
O2 K1 O1 3_665 . 119.20(6)
O2 K1 O1 3_655 . 116.43(6)
O1 K1 O1 2_655 2_645 92.55(6)
O2 K1 O1 3_665 2_645 159.44(6)
O2 K1 O1 3_655 2_645 81.99(6)
O1 K1 O1 . 2_645 80.31(6)
O1 K1 O2 2_655 . 106.31(6)
O2 K1 O2 3_665 . 83.42(6)
O2 K1 O2 3_655 . 94.11(6)
O1 K1 O2 . . 45.58(6)
O1 K1 O2 2_645 . 116.83(6)
O1 K1 C7 2_655 . 92.12(7)
O2 K1 C7 3_665 . 100.17(7)
O2 K1 C7 3_655 . 108.71(6)
O1 K1 C7 . . 22.76(6)
O1 K1 C7 2_645 . 100.27(6)
O2 K1 C7 . . 23.13(6)
O1 K1 C7 2_655 2_645 74.33(7)
O2 K1 C7 3_665 2_645 144.53(6)
O2 K1 C7 3_655 2_645 96.39(7)
O1 K1 C7 . 2_645 86.13(6)
O1 K1 C7 2_645 2_645 19.98(6)
O2 K1 C7 . 2_645 129.42(6)
C7 K1 C7 . 2_645 108.55(6)
O1 K1 K1 2_655 3_655 150.25(5)
O2 K1 K1 3_665 3_655 87.47(5)
O2 K1 K1 3_655 3_655 49.92(4)
O1 K1 K1 . 3_655 76.95(5)
O1 K1 K1 2_645 3_655 104.41(5)
O2 K1 K1 . 3_655 44.19(4)
C7 K1 K1 . 3_655 61.23(5)
C7 K1 K1 2_645 3_655 124.39(6)
O1 K1 K1 2_655 1_565 44.77(5)
O2 K1 K1 3_665 1_565 43.46(4)
O2 K1 K1 3_655 1_565 137.05(4)
O1 K1 K1 . 1_565 91.51(4)
O1 K1 K1 2_645 1_565 137.33(4)
O2 K1 K1 . 1_565 82.67(4)
C7 K1 K1 . 1_565 84.23(5)
C7 K1 K1 2_645 1_565 118.64(5)
K1 K1 K1 3_655 1_565 114.43(2)
O1 K1 K1 2_655 1_545 135.23(5)
O2 K1 K1 3_665 1_545 136.54(4)
O2 K1 K1 3_655 1_545 42.95(4)
O1 K1 K1 . 1_545 88.49(4)
O1 K1 K1 2_645 1_545 42.67(4)
O2 K1 K1 . 1_545 97.33(4)
C7 K1 K1 . 1_545 95.77(5)
C7 K1 K1 2_645 1_545 61.36(5)
K1 K1 K1 3_655 1_545 65.57(2)
K1 K1 K1 1_565 1_545 180.0
O1 K1 K1 2_655 2_645 85.14(5)
O2 K1 K1 3_665 2_645 157.54(4)
O2 K1 K1 3_655 2_645 103.09(5)
O1 K1 K1 . 2_645 39.40(4)
O1 K1 K1 2_645 2_645 40.95(4)
O2 K1 K1 . 2_645 80.51(5)
C7 K1 K1 . 2_645 60.42(5)
C7 K1 K1 2_645 2_645 48.91(5)
K1 K1 K1 3_655 2_645 91.82(4)
K1 K1 K1 1_565 2_645 118.354(13)
K1 K1 K1 1_545 2_645 61.646(13)
C7 O1 K1 . 2_645 146.68(16)
C7 O1 K1 . . 99.82(15)
K1 O1 K1 2_645 . 99.99(6)
C7 O1 K1 . 2_655 111.08(15)
K1 O1 K1 2_645 2_655 92.55(6)
K1 O1 K1 . 2_655 97.45(6)
C7 O2 K1 . 3_665 136.08(16)
C7 O2 K1 . 3_655 130.32(16)
K1 O2 K1 3_665 3_655 93.59(6)
C7 O2 K1 . . 88.54(15)
K1 O2 K1 3_665 . 96.58(6)
K1 O2 K1 3_655 . 85.89(6)
O1 C7 O2 . . 124.4(2)
O1 C7 C1 . . 116.9(2)
O2 C7 C1 . . 118.7(2)
O1 C7 K1 . . 57.42(13)
O2 C7 K1 . . 68.34(14)
C1 C7 K1 . . 165.64(17)
O1 C7 K1 . 2_655 48.94(13)
O2 C7 K1 . 2_655 130.44(17)
C1 C7 K1 . 2_655 89.43(14)
K1 C7 K1 . 2_655 77.19(6)
C2 C1 C6 . . 118.3(2)
C2 C1 C7 . . 120.4(2)
C6 C1 C7 . . 121.2(2)
C6 C2 C1 3_565 . 120.9(2)
C2 C6 C1 3_565 . 120.7(2)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_2
_geom_bond_distance
K1 O1 2_655 2.676(2)
K1 O2 3_665 2.693(2)
K1 O2 3_655 2.718(2)
K1 O1 . 2.745(2)
K1 O1 2_645 2.780(2)
K1 O2 . 2.984(2)
K1 C7 . 3.209(3)
K1 C7 2_645 3.441(3)
K1 K1 3_655 3.889(2)
K1 K1 1_565 3.9440(12)
K1 K1 1_545 3.9440(12)
K1 K1 2_645 4.1523(15)
O1 C7 . 1.260(3)
O1 K1 2_645 2.676(2)
O1 K1 2_655 2.780(2)
O2 C7 . 1.261(3)
O2 K1 3_665 2.693(2)
O2 K1 3_655 2.718(2)
C7 C1 . 1.517(4)
C7 K1 2_655 3.441(3)
C1 C2 . 1.387(4)
C1 C6 . 1.397(4)
C2 C6 3_565 1.380(4)
C6 C2 3_565 1.380(4)
