#------------------------------------------------------------------------------
#$Date: 2016-02-14 06:40:26 +0200 (Sun, 14 Feb 2016) $
#$Revision: 176432 $
#$URL: svn://www.crystallography.net/cod/cif/2/10/43/2104363.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_2104363
loop_
_publ_author_name
'Friese, Karen'
'Kanke, Yasushi'
'Grzechnik, Andrzej'
_publ_section_title
;
 Characterization of the pressure-induced second-order phase transition
 in the mixed-valence vanadate BaV₆O₁₁
;
_journal_coeditor_code           EB5003
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              326
_journal_page_last               333
_journal_paper_doi               10.1107/S010876810901444X
_journal_volume                  65
_journal_year                    2009
_chemical_formula_sum            'Ba O11 V6'
_chemical_formula_weight         619
_chemical_name_common            Bariumvanadate
_chemical_name_systematic        ' ?'
_space_group_IT_number           186
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  'P 6c -2c'
_symmetry_space_group_name_H-M   'P 63 m c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            2
_cell_length_a                   5.739(4)
_cell_length_b                   5.739(4)
_cell_length_c                   13.144(4)
_cell_measurement_reflns_used    798
_cell_measurement_temperature    293
_cell_measurement_theta_max      28.7
_cell_measurement_theta_min      3.1
_cell_volume                     374.9(4)
_computing_cell_refinement       X-Area
_computing_data_collection       X-Area
_computing_data_reduction        'Jana2006, Absorb V6.1'
_computing_publication_material
'Jana2006 (Petricek, Dusek & Palatinus, 2006)'
_computing_structure_refinement
'Jana2006 (Petricek, Dusek & Palatinus, 2006)'
_diffrn_ambient_temperature      293
_diffrn_measured_fraction_theta_full 0.89
_diffrn_measurement_device_type  IPDS-2T
_diffrn_measurement_method       omega-scans
_diffrn_radiation_source         'X-ray tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0827
_diffrn_reflns_av_sigmaI/netI    0.174
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            1534
_diffrn_reflns_reduction_process Jana2006
_diffrn_reflns_theta_full        23.91
_diffrn_reflns_theta_max         28.36
_diffrn_reflns_theta_min         3.1
_exptl_absorpt_coefficient_mu    12.380
_exptl_absorpt_correction_T_max  0.2186
_exptl_absorpt_correction_T_min  0.1767
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
'Jana2006  (Petricek, Dusek & Palatinus, 2000)'
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    5.481(6)
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             564
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_refine_diff_density_max         1.61
_refine_diff_density_min         -1.41
_refine_ls_extinction_coef       0
_refine_ls_extinction_method
'B-C type 1 Gaussian isotropic (Becker & Coppens, 1974)'
_refine_ls_goodness_of_fit_ref   0.69
_refine_ls_number_constraints    5
_refine_ls_number_parameters     17
_refine_ls_number_reflns         292
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0842
_refine_ls_R_factor_gt           0.0267
_refine_ls_shift/su_max          0.0012
_refine_ls_shift/su_mean         0.0003
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     w=1/(σ²(F)+0.0001F²)
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_gt          0.0203
_refine_ls_wR_factor_ref         0.0270
_reflns_number_gt                128
_reflns_number_total             292
_reflns_threshold_expression     I>3σ(I)
_cod_data_source_file            eb5003.cif
_cod_data_source_block           VII
_cod_original_sg_symbol_Hall     'P 6c;-2c'
_cod_original_formula_sum        'Ba1 O11 V6'
_cod_database_code               2104363
loop_
_symmetry_equiv_pos_site_id
_symmetry_equiv_pos_as_xyz
1 x,y,z
2 -y,x-y,z
3 -x+y,-x,z
4 -x,-y,z+1/2
5 y,-x+y,z+1/2
6 x-y,x,z+1/2
7 -y,-x,z
8 -x+y,y,z
9 x,x-y,z
10 y,x,z+1/2
11 x-y,-y,z+1/2
12 -x,-x+y,z+1/2
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_refinement_flags
_atom_site_occupancy
_atom_site_disorder_assembly
_atom_site_disorder_group
Ba Baa 0.333333 0.666667 0.25 0.0061(5) Uiso d . 1 . .
V V1a 0.4895(5) 0.9789(10) 0.5058(5) 0.0070(6) Uiso d . 1 . .
V V2a 0 0 0.3653(6) 0.0025(8) Uiso d . 1 . .
V V2b 0 0 0.1572(6) 0.0025(8) Uiso d . 1 . .
V V3a 0.333333 0.666667 0.7644(5) 0.011(2) Uiso d . 1 . .
O O1a 0.1732(12) 0.346(2) 0.4205(4) 0.0101(15) Uiso d . 1 . .
O O1b 0.1732(12) 0.346(2) 0.0795(4) 0.0101(15) Uiso d . 1 . .
O O2a 0.1484(12) 0.297(2) 0.75 0.002(2) Uiso d . 1 . .
O O3a 0.333333 0.666667 0.9087(7) 0.014(3) Uiso d . 1 . .
O O3b 0.333333 0.666667 -0.4087(7) 0.014(3) Uiso d . 1 . .
loop_
_atom_type_symbol
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
Ba -0.324 2.282 'International Tables Vol C tables 4.2.6.8 and 6.1.1.1'
V 0.301 0.529 'International Tables Vol C tables 4.2.6.8 and 6.1.1.1'
O 0.011 0.006 'International Tables Vol C tables 4.2.6.8 and 6.1.1.1'
loop_
_diffrn_standard_refln_index_h
_diffrn_standard_refln_index_k
_diffrn_standard_refln_index_l
? ? ?
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_2
_geom_angle_site_symmetry_3
_geom_angle
_geom_angle_publ_flag
O1a V1a O1a 2_665 . 3_565 91.1(5) yes
O1a V1a O1b 2_665 . 5_565 172.3(6) yes
O1a V1a O1b 2_665 . 6_665 88.7(5) yes
O1a V1a O3a 2_665 . 4_674 88.6(4) yes
O1a V1a O3b 2_665 . 1_556 91.4(4) yes
O1a V1a O1b 3_565 . 5_565 88.7(5) yes
O1a V1a O1b 3_565 . 6_665 172.3(4) yes
O1a V1a O3a 3_565 . 4_674 88.6(3) yes
O1a V1a O3b 3_565 . 1_556 91.4(3) yes
O1b V1a O1b 5_565 . 6_665 90.5(5) yes
O1b V1a O3a 5_565 . 4_674 83.7(4) yes
O1b V1a O3b 5_565 . 1_556 96.3(4) yes
O1b V1a O3a 6_665 . 4_674 83.7(3) yes
O1b V1a O3b 6_665 . 1_556 96.3(4) yes
O3a V1a O3b 4_674 . 1_556 180 yes
O1a V2a O1a . . 2_555 105.9(5) yes
O1a V2a O1a . . 3_555 105.9(4) yes
O1a V2a O2a . . 4_554 157.1(5) yes
O1a V2a O2a . . 5_554 87.5(4) yes
O1a V2a O2a . . 6_554 87.5(3) yes
O1a V2a O1a 2_555 . 3_555 105.9(6) yes
O1a V2a O2a 2_555 . 4_554 87.5(3) yes
O1a V2a O2a 2_555 . 5_554 157.1(5) yes
O1a V2a O2a 2_555 . 6_554 87.5(5) yes
O1a V2a O2a 3_555 . 4_554 87.5(4) yes
O1a V2a O2a 3_555 . 5_554 87.5(5) yes
O1a V2a O2a 3_555 . 6_554 157.1(5) yes
O2a V2a O2a 4_554 . 5_554 74.3(4) yes
O2a V2a O2a 4_554 . 6_554 74.3(4) yes
O2a V2a O2a 5_554 . 6_554 74.3(6) yes
O1b V2b O1b . . 2_555 96.3(5) yes
O1b V2b O1b . . 3_555 96.3(4) yes
O1b V2b O2a . . 4_554 171.1(5) yes
O1b V2b O2a . . 5_554 89.6(4) yes
O1b V2b O2a . . 6_554 89.6(3) yes
O1b V2b O1b 2_555 . 3_555 96.3(6) yes
O1b V2b O2a 2_555 . 4_554 89.6(3) yes
O1b V2b O2a 2_555 . 5_554 171.1(5) yes
O1b V2b O2a 2_555 . 6_554 89.6(5) yes
O1b V2b O2a 3_555 . 4_554 89.6(4) yes
O1b V2b O2a 3_555 . 5_554 89.6(5) yes
O1b V2b O2a 3_555 . 6_554 171.1(5) yes
O2a V2b O2a 4_554 . 5_554 83.7(4) yes
O2a V2b O2a 4_554 . 6_554 83.7(5) yes
O2a V2b O2a 5_554 . 6_554 83.7(6) yes
O2a V3a O2a . . 2_665 119.0(6) yes
O2a V3a O2a . . 3_565 119.0(4) yes
O2a V3a O3a . . . 95.9(2) yes
O2a V3a O3b . . 1_556 84.1(2) yes
O2a V3a O2a 2_665 . 3_565 119.0(6) yes
O2a V3a O3a 2_665 . . 95.9(2) yes
O2a V3a O3b 2_665 . 1_556 84.1(2) yes
O2a V3a O3a 3_565 . . 95.9(2) yes
O2a V3a O3b 3_565 . 1_556 84.1(2) yes
O3a V3a O3b . . 1_556 180 yes
V1a O1a V1a 2_665 . 3_565 88.2(4) yes
V1a O1a V2a 2_665 . . 127.9(3) yes
V1a O1a V2a 3_565 . . 127.9(7) yes
V1a O1b V1a 5_454 . 6_654 103.5(4) yes
V1a O1b V2b 5_454 . . 124.7(3) yes
V1a O1b V2b 6_654 . . 124.7(7) yes
V2a O2a V2b 4_555 . 4_555 85.4(5) yes
V2a O2a V3a 4_555 . . 128.4(3) yes
V2b O2a V3a 4_555 . . 146.3(4) yes
V1a O3a V1a 4_675 . 5_455 89.0(3) yes
V1a O3a V1a 4_675 . 6_655 89.0(3) yes
V1a O3a V3a 4_675 . . 125.9(2) yes
V1a O3a V1a 5_455 . 6_655 89.0(4) yes
V1a O3a V3a 5_455 . . 125.9(2) yes
V1a O3a V3a 6_655 . . 125.9(3) yes
V1a O3b V1a 1_554 . 2_664 89.1(4) yes
V1a O3b V1a 1_554 . 3_564 89.1(4) yes
V1a O3b V3a 1_554 . 1_554 125.9(3) yes
V1a O3b V1a 2_664 . 3_564 89.1(4) yes
V1a O3b V3a 2_664 . 1_554 125.9(3) yes
V1a O3b V3a 3_564 . 1_554 125.9(3) yes
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_1
_geom_bond_site_symmetry_2
_geom_bond_distance
_geom_bond_publ_flag
Baa O1a . . 2.749(8) yes
Baa O1a . 2_665 2.749(8) yes
Baa O1a . 3_565 2.749(9) yes
Baa O1b . . 2.749(8) yes
Baa O1b . 2_665 2.749(8) yes
Baa O1b . 3_565 2.749(9) yes
Baa O2a . 4_564 2.875(11) yes
Baa O2a . 4_664 2.875(10) yes
Baa O2a . 5_554 2.875(17) yes
Baa O2a . 5_564 2.875(17) yes
Baa O2a . 6_554 2.875(10) yes
Baa O2a . 6_664 2.875(11) yes
V1a V1a . 2_665 2.688(8) yes
V1a V1a . 3_565 2.688(8) yes
V1a O1a . 2_665 1.931(16) yes
V1a O1a . 3_565 1.931(12) yes
V1a O1b . 5_565 1.942(16) yes
V1a O1b . 6_665 1.942(12) yes
V1a O3a . 4_674 2.175(8) yes
V1a O3b . 1_556 1.916(8) yes
V2a V2b . . 2.735(11) yes
V2a O1a . . 1.868(12) yes
V2a O1a . 2_555 1.868(12) yes
V2a O1a . 3_555 1.868(14) yes
V2a O2a . 4_554 2.114(10) yes
V2a O2a . 5_554 2.114(10) yes
V2a O2a . 6_554 2.114(12) yes
V2b O1b . . 2.001(11) yes
V2b O1b . 2_555 2.001(11) yes
V2b O1b . 3_555 2.001(13) yes
V2b O2a . 4_554 1.914(10) yes
V2b O2a . 5_554 1.914(10) yes
V2b O2a . 6_554 1.914(12) yes
V3a O2a . . 1.848(12) yes
V3a O2a . 2_665 1.848(12) yes
V3a O2a . 3_565 1.848(14) yes
V3a O3a . . 1.896(11) yes
V3a O3b . 1_556 2.275(11) yes
O1a O1a . 2_555 2.981(14) yes
O1a O1a . 2_665 2.758(14) yes
O1a O1a . 3_555 2.981(17) yes
O1a O1a . 3_565 2.758(17) yes
O1a O1b . 5_555 2.708(15) yes
O1a O1b . 6_555 2.708(11) yes
O1a O2a . 5_554 2.760(14) yes
O1a O2a . 6_554 2.760(9) yes
O1a O3a . 4_564 2.874(10) yes
O1a O3a . 4_664 2.874(10) yes
O1a O3b . 1_556 2.753(11) yes
O1b O1b . 2_555 2.981(14) yes
O1b O1b . 2_665 2.758(14) yes
O1b O1b . 3_555 2.981(17) yes
O1b O1b . 3_565 2.758(17) yes
O1b O2a . 5_554 2.760(14) yes
O1b O2a . 6_554 2.760(9) yes
O1b O3a . 1_554 2.753(11) yes
O1b O3b . 4_565 2.874(10) yes
O1b O3b . 4_665 2.874(10) yes
O2a O2a . 2_555 2.554(14) yes
O2a O2a . 3_555 2.554(18) yes
O2a O3a . . 2.780(10) yes
O2a O3b . 1_556 2.780(10) yes
