#------------------------------------------------------------------------------
#$Date: 2016-02-14 16:26:36 +0200 (Sun, 14 Feb 2016) $
#$Revision: 176435 $
#$URL: svn://www.crystallography.net/cod/cif/2/10/49/2104991.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_2104991
loop_
_publ_author_name
'Udovenko, Anatoly A.'
'Laptash, Natalia M.'
_publ_section_title
;
 Dynamic orientational disorder in crystals of fluoroelpasolites,
 structural refinement of (NH₄)₃AlF₆, (NH₄)₃TiOF₅ and
 Rb₂KTiOF₅
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              447
_journal_page_last               454
_journal_paper_doi               10.1107/S0108768111044867
_journal_volume                  67
_journal_year                    2011
_chemical_formula_moiety         ' Rb2 K Ti O F5'
_chemical_formula_sum            'F5 K O Rb2 Ti'
_chemical_formula_weight         368.94
_chemical_name_common            'rubidium potassium oxopentafuorotitanate'
_chemical_name_systematic        'rubidium potassium oxopentafuorotitanate'
_space_group_IT_number           225
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  '-F 4 2 3'
_symmetry_space_group_name_H-M   'F m -3 m'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.90020(10)
_cell_length_b                   8.90020(10)
_cell_length_c                   8.90020(10)
_cell_measurement_reflns_used    512
_cell_measurement_temperature    297(2)
_cell_measurement_theta_max      40.47
_cell_measurement_theta_min      3.96
_cell_volume                     705.017(14)
_computing_cell_refinement       'Bruker SAINT v6.02a (Bruker, 2000)'
_computing_data_collection       'Bruker Smart v5.054 (Bruker, 1998)'
_computing_data_reduction        'Bruker SAINT v6.02a (Bruker, 2000)'
_computing_molecular_graphics    'Bruker SHELXTL v5.1 (Bruker, 1998)'
_computing_publication_material  'Bruker SHELXTL v5.1 (Bruker, 1998)'
_computing_structure_refinement  'Bruker SHELXTL v5.1 (Bruker, 1998)'
_computing_structure_solution    'Bruker SHELXTL v5.1 (Bruker, 1998)'
_diffrn_ambient_temperature      297(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       'ω scans'
_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  0.0288
_diffrn_reflns_av_sigmaI/netI    0.0102
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            5318
_diffrn_reflns_theta_full        45.95
_diffrn_reflns_theta_max         45.95
_diffrn_reflns_theta_min         3.97
_exptl_absorpt_coefficient_mu    15.546
_exptl_absorpt_correction_T_max  0.1470
_exptl_absorpt_correction_T_min  0.0976
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v.2.03; Bruker 1999'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    3.476
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       formless
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.748
_refine_diff_density_min         -1.068
_refine_ls_extinction_coef       0.00044(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.194
_refine_ls_matrix_type           full
_refine_ls_number_parameters     16
_refine_ls_number_reflns         138
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.194
_refine_ls_R_factor_all          0.0311
_refine_ls_R_factor_gt           0.0208
_refine_ls_shift/su_max          0.032
_refine_ls_shift/su_mean         0.008
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[σ²(Fo²)+(0.0304P)²+2.5031P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0726
_refine_ls_wR_factor_ref         0.073
_reflns_number_gt                138
_reflns_number_total             198
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            bp5038.cif
_cod_data_source_block           III
_cod_original_cell_volume        705.016(14)
_cod_original_formula_sum        'F5  K O Rb2 Ti'
_cod_database_code               2104991
_cod_database_fobs_code          2104991
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, -y, z'
'-x, y, -z'
'x, -y, -z'
'z, x, y'
'z, -x, -y'
'-z, -x, y'
'-z, x, -y'
'y, z, x'
'-y, z, -x'
'y, -z, -x'
'-y, -z, x'
'y, x, -z'
'-y, -x, -z'
'y, -x, z'
'-y, x, z'
'x, z, -y'
'-x, z, y'
'-x, -z, -y'
'x, -z, y'
'z, y, -x'
'z, -y, x'
'-z, y, x'
'-z, -y, -x'
'x, y+1/2, z+1/2'
'-x, -y+1/2, z+1/2'
'-x, y+1/2, -z+1/2'
'x, -y+1/2, -z+1/2'
'z, x+1/2, y+1/2'
'z, -x+1/2, -y+1/2'
'-z, -x+1/2, y+1/2'
'-z, x+1/2, -y+1/2'
'y, z+1/2, x+1/2'
'-y, z+1/2, -x+1/2'
'y, -z+1/2, -x+1/2'
'-y, -z+1/2, x+1/2'
'y, x+1/2, -z+1/2'
'-y, -x+1/2, -z+1/2'
'y, -x+1/2, z+1/2'
'-y, x+1/2, z+1/2'
'x, z+1/2, -y+1/2'
'-x, z+1/2, y+1/2'
'-x, -z+1/2, -y+1/2'
'x, -z+1/2, y+1/2'
'z, y+1/2, -x+1/2'
'z, -y+1/2, x+1/2'
'-z, y+1/2, x+1/2'
'-z, -y+1/2, -x+1/2'
'x+1/2, y, z+1/2'
'-x+1/2, -y, z+1/2'
'-x+1/2, y, -z+1/2'
'x+1/2, -y, -z+1/2'
'z+1/2, x, y+1/2'
'z+1/2, -x, -y+1/2'
'-z+1/2, -x, y+1/2'
'-z+1/2, x, -y+1/2'
'y+1/2, z, x+1/2'
'-y+1/2, z, -x+1/2'
'y+1/2, -z, -x+1/2'
'-y+1/2, -z, x+1/2'
'y+1/2, x, -z+1/2'
'-y+1/2, -x, -z+1/2'
'y+1/2, -x, z+1/2'
'-y+1/2, x, z+1/2'
'x+1/2, z, -y+1/2'
'-x+1/2, z, y+1/2'
'-x+1/2, -z, -y+1/2'
'x+1/2, -z, y+1/2'
'z+1/2, y, -x+1/2'
'z+1/2, -y, x+1/2'
'-z+1/2, y, x+1/2'
'-z+1/2, -y, -x+1/2'
'x+1/2, y+1/2, z'
'-x+1/2, -y+1/2, z'
'-x+1/2, y+1/2, -z'
'x+1/2, -y+1/2, -z'
'z+1/2, x+1/2, y'
'z+1/2, -x+1/2, -y'
'-z+1/2, -x+1/2, y'
'-z+1/2, x+1/2, -y'
'y+1/2, z+1/2, x'
'-y+1/2, z+1/2, -x'
'y+1/2, -z+1/2, -x'
'-y+1/2, -z+1/2, x'
'y+1/2, x+1/2, -z'
'-y+1/2, -x+1/2, -z'
'y+1/2, -x+1/2, z'
'-y+1/2, x+1/2, z'
'x+1/2, z+1/2, -y'
'-x+1/2, z+1/2, y'
'-x+1/2, -z+1/2, -y'
'x+1/2, -z+1/2, y'
'z+1/2, y+1/2, -x'
'z+1/2, -y+1/2, x'
'-z+1/2, y+1/2, x'
'-z+1/2, -y+1/2, -x'
'-x, -y, -z'
'x, y, -z'
'x, -y, z'
'-x, y, z'
'-z, -x, -y'
'-z, x, y'
'z, x, -y'
'z, -x, y'
'-y, -z, -x'
'y, -z, x'
'-y, z, x'
'y, z, -x'
'-y, -x, z'
'y, x, z'
'-y, x, -z'
'y, -x, -z'
'-x, -z, y'
'x, -z, -y'
'x, z, y'
'-x, z, -y'
'-z, -y, x'
'-z, y, -x'
'z, -y, -x'
'z, y, x'
'-x, -y+1/2, -z+1/2'
'x, y+1/2, -z+1/2'
'x, -y+1/2, z+1/2'
'-x, y+1/2, z+1/2'
'-z, -x+1/2, -y+1/2'
'-z, x+1/2, y+1/2'
'z, x+1/2, -y+1/2'
'z, -x+1/2, y+1/2'
'-y, -z+1/2, -x+1/2'
'y, -z+1/2, x+1/2'
'-y, z+1/2, x+1/2'
'y, z+1/2, -x+1/2'
'-y, -x+1/2, z+1/2'
'y, x+1/2, z+1/2'
'-y, x+1/2, -z+1/2'
'y, -x+1/2, -z+1/2'
'-x, -z+1/2, y+1/2'
'x, -z+1/2, -y+1/2'
'x, z+1/2, y+1/2'
'-x, z+1/2, -y+1/2'
'-z, -y+1/2, x+1/2'
'-z, y+1/2, -x+1/2'
'z, -y+1/2, -x+1/2'
'z, y+1/2, x+1/2'
'-x+1/2, -y, -z+1/2'
'x+1/2, y, -z+1/2'
'x+1/2, -y, z+1/2'
'-x+1/2, y, z+1/2'
'-z+1/2, -x, -y+1/2'
'-z+1/2, x, y+1/2'
'z+1/2, x, -y+1/2'
'z+1/2, -x, y+1/2'
'-y+1/2, -z, -x+1/2'
'y+1/2, -z, x+1/2'
'-y+1/2, z, x+1/2'
'y+1/2, z, -x+1/2'
'-y+1/2, -x, z+1/2'
'y+1/2, x, z+1/2'
'-y+1/2, x, -z+1/2'
'y+1/2, -x, -z+1/2'
'-x+1/2, -z, y+1/2'
'x+1/2, -z, -y+1/2'
'x+1/2, z, y+1/2'
'-x+1/2, z, -y+1/2'
'-z+1/2, -y, x+1/2'
'-z+1/2, y, -x+1/2'
'z+1/2, -y, -x+1/2'
'z+1/2, y, x+1/2'
'-x+1/2, -y+1/2, -z'
'x+1/2, y+1/2, -z'
'x+1/2, -y+1/2, z'
'-x+1/2, y+1/2, z'
'-z+1/2, -x+1/2, -y'
'-z+1/2, x+1/2, y'
'z+1/2, x+1/2, -y'
'z+1/2, -x+1/2, y'
'-y+1/2, -z+1/2, -x'
'y+1/2, -z+1/2, x'
'-y+1/2, z+1/2, x'
'y+1/2, z+1/2, -x'
'-y+1/2, -x+1/2, z'
'y+1/2, x+1/2, z'
'-y+1/2, x+1/2, -z'
'y+1/2, -x+1/2, -z'
'-x+1/2, -z+1/2, y'
'x+1/2, -z+1/2, -y'
'x+1/2, z+1/2, y'
'-x+1/2, z+1/2, -y'
'-z+1/2, -y+1/2, x'
'-z+1/2, y+1/2, -x'
'z+1/2, -y+1/2, -x'
'z+1/2, y+1/2, x'
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_symmetry_multiplicity
Ti Ti1 0.0000 0.0000 0.0000 0.01638(6) Uani d S 1 48
Rb Rb1 0.25798(2) 0.25798(2) 0.25798(2) 0.02154(4) Uani d SP 0.25 6
K K1 0.5000 0.5000 0.5000 0.01367(6) Uani d S 1 48
O O1 0.0000 0.0000 0.21506(12) 0.0354(3) Uani d SP 0.08 8
F F1 0.0000 0.0000 0.21506(12) 0.0354(3) Uani d SP 0.58 8
O O2 0.0000 0.0328(5) 0.2077(3) 0.0446(16) Uani d SP 0.02 2
F F2 0.0000 0.0328(5) 0.2077(3) 0.0446(16) Uani d SP 0.06 2
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
Rb Rb -0.9393 2.9676 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
K K 0.2009 0.2494 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Ti Ti 0.2776 0.4457 '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'
F F 0.0171 0.0103 '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
F2 Ti1 F2 117 21 180.0(3)
F2 Ti1 F2 114 18 180.0(3)
F1 Ti1 F2 117 21 90.0(3)
F2 Ti1 F2 117 114 90.0(4)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_2
_geom_bond_distance
Ti1 F1 65 1.914(2)
Ti1 F1 30 1.914(2)
Ti1 F2 97 1.872(3)
Ti1 O2 117 1.872(3)
Ti1 F2 105 1.872(3)
Ti1 F2 9 1.872(3)
Rb1 Rb1 28 0.2009(6)
Rb1 Rb1 51 0.2009(6)
Rb1 Rb1 74 0.2009(6)
Rb1 F1 30 3.070(3)
Rb1 F1 125 3.157(3)
Rb1 F2 30 2.882(3)
Rb1 F2 65 2.958(3)
Rb1 F2 181 2.972(3)
Rb1 F2 58 3.080(3)
K1 F1 153_565 2.5360(11)
K1 F1 125_655 2.5360(11)
K1 F2 142_655 2.618(3)
K1 F2 46 2.618(3)
K1 F2 161_565 2.618(3)
K1 F2 65 2.618(3)
F1 F2 102 2.677(5)
F2 F2 10 2.647(5)
