#------------------------------------------------------------------------------
#$Date: 2019-12-26 20:55:13 +0200 (Thu, 26 Dec 2019) $
#$Revision: 246091 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/31/17/2311707.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_2311707
loop_
_publ_author_name
'Huband, S.'
'Keeble, D. S.'
'Zhang, N.'
'Glazer, A. M.'
'Bartasyte, A.'
'Thomas, P. A.'
_publ_section_title
;
 Crystallographic and optical study of
 LiNb<sub>1 - x</sub>TaₓO₃.
;
_journal_issue                   'Pt 3'
_journal_name_full
'Acta crystallographica Section B, Structural science, crystal engineering and materials'
_journal_page_first              498
_journal_page_last               506
_journal_paper_doi               10.1107/S2052520617004711
_journal_volume                  73
_journal_year                    2017
_chemical_formula_moiety         'Li Nb0.40 O3 Ta0.60'
_chemical_formula_sum            'Li Nb0.4 O3 Ta0.6'
_chemical_formula_weight         200.67
_chemical_name_common            'lithium niobate tantalate'
_chemical_name_systematic        'lithium niobate tantalate'
_space_group_crystal_system      trigonal
_space_group_IT_number           161
_space_group_name_Hall           'R 3 -2"c'
_space_group_name_H-M_alt        'R 3 c :H'
_atom_sites_solution_primary     other
_atom_sites_solution_secondary   other
_audit_creation_method
;
Olex2 1.2
(compiled 2016.09.09 svn.r3337 for OlexSys, GUI svn.r5227)
Dolomanov, O.V., Bourhis, L.J., Gildea, R.J, Howard, J.A.K. & Puschmann, H.
 (2009), J. Appl. Cryst. 42, 339-341.
Sheldrick, G.M. (2015). Acta Cryst. C71, 3-8.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            6
_cell_length_a                   5.1470(10)
_cell_length_b                   5.1470(10)
_cell_length_c                   13.798(5)
_cell_measurement_reflns_used    2949
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      37.1860
_cell_measurement_theta_min      4.7670
_cell_volume                     316.56(14)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_diffrn_ambient_temperature      294(2)
_diffrn_detector_area_resol_mean 10.2833
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Xcalibur, Ruby, Gemini'
_diffrn_measurement_method       'ω scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0432
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            3999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         37.362
_diffrn_reflns_theta_min         5.447
_exptl_absorpt_coefficient_mu    33.191
_exptl_absorpt_correction_T_max  0.099
_exptl_absorpt_correction_T_min  0.015
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
Analytical numeric absorption correction using a multifaceted crystal
   model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear green'
_exptl_crystal_density_diffrn    6.316
_exptl_crystal_description       block
_exptl_crystal_F_000             523
_exptl_crystal_size_max          0.2149
_exptl_crystal_size_mid          0.1467
_exptl_crystal_size_min          0.1342
_refine_diff_density_max         2.170
_refine_diff_density_min         -0.790
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.29(10)
_refine_ls_extinction_coef       0.0277(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.180
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     18
_refine_ls_number_reflns         372
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.178
_refine_ls_R_factor_all          0.0145
_refine_ls_R_factor_gt           0.0144
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[σ²(Fo²)+(0.0225P)²] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0360
_refine_ls_wR_factor_ref         0.0362
_reflns_number_gt                365
_reflns_number_total             372
_reflns_threshold_expression     'I > 2σ(I)'
_cod_data_source_file            bp5094sup1.cif
_cod_data_source_block           LNT60
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_atom_sites_solution_primary' value 'Other' was changed to
'other' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/IUCr/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

data item '_atom_sites_solution_secondary' value 'Other' was changed
to 'other' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/IUCr/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_cell_volume        316.56(17)
_cod_original_sg_symbol_H-M      'R 3 c'
_cod_original_formula_sum        'Li Nb0.40 O3 Ta0.60'
_cod_database_code               2311707
_shelx_space_group_comment
;
The symmetry employed for this shelxl refinement is uniquely defined
by the following loop, which should always be used as a source of
symmetry information in preference to the above space-group names.
They are only intended as comments.
;
loop_
_space_group_symop_operation_xyz
'x, y, z'
'-y, x-y, z'
'-x+y, -x, z'
'-y, -x, z+1/2'
'-x+y, y, z+1/2'
'x, x-y, z+1/2'
'x+2/3, y+1/3, z+1/3'
'-y+2/3, x-y+1/3, z+1/3'
'-x+y+2/3, -x+1/3, z+1/3'
'-y+2/3, -x+1/3, z+5/6'
'-x+y+2/3, y+1/3, z+5/6'
'x+2/3, x-y+1/3, z+5/6'
'x+1/3, y+2/3, z+2/3'
'-y+1/3, x-y+2/3, z+2/3'
'-x+y+1/3, -x+2/3, z+2/3'
'-y+1/3, -x+2/3, z+7/6'
'-x+y+1/3, y+2/3, z+7/6'
'x+1/3, x-y+2/3, z+7/6'
loop_
_atom_site_type_symbol
_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_occupancy
Ta Ta 0.0000 0.0000 0.0018(4) 0.00362(13) Uani d 0.6
Nb Nb 0.0000 0.0000 0.0018(4) 0.00362(13) Uani d 0.4
O O 0.0491(3) 0.3431(4) 0.0695(4) 0.0071(3) Uani d 1
Li Li 0.0000 0.0000 0.283(2) 0.015(4) Uani d 1
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
Li Li -0.0003 0.0001 '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'
Nb Nb -2.0727 0.6215 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Ta Ta -0.7052 6.5227 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_exptl_crystal_face_index_h
_exptl_crystal_face_index_k
_exptl_crystal_face_index_l
_exptl_crystal_face_perp_dist
5 0 -12 0.0660
0 -5 -10 0.0623
-5 0 12 0.0807
-5 5 -9 0.1037
1 5 9 0.0607
5 -5 10 0.0992
-1 6 9 0.0673
6 -2 -12 0.0706
-3 7 8 0.0712
-3 4 17 0.1048
-7 3 5 0.1000
-4 0 15 0.1010
-6 0 6 0.0968
-4 6 -5 0.0986
1 -6 -11 0.0607
-5 6 -8 0.0987
0 -5 -12 0.0685
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
_geom_angle_publ_flag
O Ta O . 3 97.90(18) n
O Ta O 11_444 10_554 81.70(17) n
O Ta O 11_444 12_454 81.70(17) n
O Ta O 2 10_554 168.4(3) n
O Ta O 3 12_454 168.4(3) n
O Ta O 2 12_454 88.93(4) n
O Ta O . 11_444 168.4(3) n
O Ta O . 2 97.91(18) n
O Ta O 3 11_444 88.93(4) n
O Ta O . 12_454 90.31(5) n
O Ta O 2 11_444 90.31(5) n
O Ta O 3 2 97.90(18) n
O Ta O . 10_554 88.93(4) n
O Ta O 3 10_554 90.31(5) n
O Ta O 10_554 12_454 81.70(17) n
O Ta Li 10_554 13_554 41.8(4) n
O Ta Li 2 13_444 48.2(5) n
O Ta Li 3 13_554 103.2(3) n
O Ta Li 3 13_544 48.2(5) n
O Ta Li 12_454 13_444 41.8(4) n
O Ta Li 11_444 13_544 41.8(4) n
O Ta Li . 10_444 118.7(5) n
O Ta Li 11_444 4_554 49.05(11) n
O Ta Li 11_444 13_444 76.3(4) n
O Ta Li 10_554 4_554 49.05(11) n
O Ta Li 2 10_554 118.7(5) n
O Ta Li 12_454 4_554 49.05(11) n
O Ta Li 10_554 10_554 72.3(5) n
O Ta Li . 13_444 103.2(3) n
O Ta Li 3 13_444 141.9(3) n
O Ta Li . 4_554 119.44(14) n
O Ta Li 11_444 13_554 121.2(6) n
O Ta Li 3 4_554 119.44(14) n
O Ta Li 2 10_444 32.88(11) n
O Ta Li 12_454 13_544 121.2(6) n
O Ta Li . 13_554 48.2(5) n
O Ta Li 3 10_554 32.88(11) n
O Ta Li 12_454 13_554 76.3(4) n
O Ta Li 11_444 10_554 112.4(3) n
O Ta Li 10_554 13_444 121.2(6) n
O Ta Li 12_454 10_554 147.6(3) n
O Ta Li 2 13_544 103.2(3) n
O Ta Li 3 10_444 70.6(2) n
O Ta Li 2 13_554 141.9(3) n
O Ta Li 11_444 10_444 72.3(5) n
O Ta Li 10_554 13_544 76.3(4) n
O Ta Li 12_454 10_444 112.4(3) n
O Ta Li 10_554 10_444 147.6(3) n
O Ta Li . 13_544 141.9(3) n
O Ta Li . 10_554 70.6(2) n
O Ta Li 2 4_554 119.44(14) n
Li Ta Li 4_554 10_554 118.0(5) n
Li Ta Li 4_554 10_444 118.0(5) n
Li Ta Li 13_444 13_554 114.6(4) n
Li Ta Li 4_554 13_544 76.3(6) n
Li Ta Li 4_554 13_554 76.3(6) n
Li Ta Li 13_544 10_444 71.44(12) n
Li Ta Li 13_544 10_554 71.44(12) n
Li Ta Li 13_444 10_554 165.7(11) n
Li Ta Li 13_554 10_444 165.7(11) n
Li Ta Li 13_444 13_544 114.6(4) n
Li Ta Li 10_554 10_444 99.8(6) n
Li Ta Li 13_554 10_554 71.44(12) n
Li Ta Li 13_444 10_444 71.44(12) n
Li Ta Li 4_554 13_444 76.3(6) n
Li Ta Li 13_554 13_544 114.6(4) n
Ta O Ta . 16_554 141.18(9) n
Ta O Nb 16_554 16_554 0.0(2) n
Ta O Nb . 16_554 141.2 n
Ta O Li . 10_454 116.9(4) n
Ta O Li . 13_554 93.5(5) n
Ta O Li 16_554 13_554 87.4(6) n
Nb O Li 16_554 13_554 87.4(6) n
Li O Ta 10_454 16_554 95.5(6) n
Li O Nb 10_454 16_554 95.5(6) n
Li O Li 10_454 13_554 120.2(6) n
Ta Li Ta 7 7_445 114.6(4) n
Ta Li Ta 4 7 76.3(6) n
Ta Li Ta 4 7_445 76.3(6) n
Ta Li Nb 7 7_445 114.6(4) n
Ta Li Nb 4 7 76.3(6) n
Ta Li Nb 7 7 0.00(19) n
Ta Li Nb 4 7_445 76.3(6) n
Ta Li Nb 7_445 7_445 0.0 n
Ta Li Nb 4 4 0.0 n
Nb Li Ta 4 7 76.3 n
Nb Li Ta 7 7_445 114.6 n
Nb Li Ta 4 7_445 76.3 n
Nb Li Nb 7 7_445 114.6(4) n
Nb Li Nb 4 7 76.3(6) n
Nb Li Nb 4 7_445 76.3(6) n
O Li Ta 8 7 38.32(13) n
O Li Ta 7_445 7 111.6(10) n
O Li Ta 17_444 4 108.3(9) n
O Li Ta 9_455 7_445 111.6(10) n
O Li Ta 9_455 4 43.5(6) n
O Li Ta 8 7_445 84.4(6) n
O Li Ta 17_444 7 149.6(2) n
O Li Ta 7_445 4 43.5(6) n
O Li Ta 16_544 4 108.3(9) n
O Li Ta 18_554 7 42.7(2) n
O Li Ta 8 4 43.5(6) n
O Li Ta 18_554 4 108.3(9) n
O Li Ta 17_444 7_445 95.45(6) n
O Li Ta 7_445 7_445 38.32(13) n
O Li Ta 16_544 7_445 42.7(2) n
O Li Ta 9_455 7 84.4(6) n
O Li Ta 16_544 7 95.45(5) n
O Li Ta 18_554 7_445 149.6(2) n
O Li Nb 17_444 7 149.6(2) n
O Li Nb 18_554 4 108.3(9) n
O Li Nb 16_544 7_445 42.7(2) n
O Li Nb 9_455 7_445 111.6(10) n
O Li Nb 17_444 7_445 95.45(6) n
O Li Nb 18_554 7_445 149.6(2) n
O Li Nb 7_445 7_445 38.32(13) n
O Li Nb 18_554 7 42.7(2) n
O Li Nb 7_445 7 111.6(10) n
O Li Nb 9_455 4 43.5(6) n
O Li Nb 9_455 7 84.4(6) n
O Li Nb 16_544 7 95.45(5) n
O Li Nb 17_444 4 108.3(9) n
O Li Nb 8 7_445 84.4(6) n
O Li Nb 16_544 4 108.3(9) n
O Li Nb 8 7 38.32(13) n
O Li Nb 7_445 4 43.5(6) n
O Li Nb 8 4 43.5(6) n
O Li O 7_445 9_455 73.2(9) n
O Li O 18_554 9_455 88.8(4) n
O Li O 17_444 9_455 80.1(4) n
O Li O 16_544 9_455 151.1(14) n
O Li O 16_544 7_445 80.1(4) n
O Li O 8 7_445 73.2(9) n
O Li O 16_544 8 88.8(4) n
O Li O 17_444 18_554 110.6(8) n
O Li O 18_554 16_544 110.6(8) n
O Li O 18_554 7_445 151.1(14) n
O Li O 17_444 8 151.1(14) n
O Li O 17_444 16_544 110.6(8) n
O Li O 18_554 8 80.1(4) n
O Li O 8 9_455 73.2(9) n
O Li O 17_444 7_445 88.8(4) n
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_2
_geom_bond_distance
_geom_bond_publ_flag
Ta O . 1.900(3) n
Ta O 2 1.900(3) n
Ta O 3 1.900(3) n
Ta O 10_554 2.084(4) n
Ta O 11_444 2.084(4) n
Ta O 12_454 2.084(4) n
Ta Li 10_554 3.364(15) n
Ta Li 13_554 3.058(8) n
Ta Li 10_444 3.364(15) n
Ta Li 13_544 3.058(8) n
Ta Li 13_444 3.058(8) n
Ta Li 4_554 3.02(3) n
O Ta 16_554 2.084(4) n
O Nb 16_554 2.084(4) n
O Li 13_554 2.28(2) n
O Li 10_454 2.048(10) n
Li Ta 4 3.02(3) n
Li Ta 7_445 3.058(8) n
Li Ta 7 3.058(8) n
Li Nb 7 3.058(8) n
Li Nb 7_445 3.058(8) n
Li Nb 4 3.02(3) n
Li O 16_544 2.048(10) n
Li O 8 2.28(2) n
Li O 17_444 2.048(10) n
Li O 18_554 2.048(10) n
Li O 7_445 2.28(2) n
Li O 9_455 2.28(2) n
