CsTe2O6-x: Novel Mixed-Valence Tellurium Oxides with Framework-Deficient Pyrochlore-Related Structure
Theeranun Siritanon; Jun Li; Judith K. Stalick; Robin T. Macaluso; Arthur W. Sleight; M. A. Subramanian; Inorganic Chemistry 50 (2011) 8494–8501; doi:10.1021/ic2010375

data_4326104
_publ_contact_author_address
;
      Gilbert 153, Department of Chemistry
      Oregon State University 
      Corvallis, OR 97331
      USA
;
_publ_contact_author_email       Mas.Subramanian@oregonstate.edu
_publ_contact_author_fax         541-737-2062
_publ_contact_author_name        'Subramanian, M.A.'
_publ_contact_author_phone       541-737-8235
_publ_section_title
;
 CsTe2O6-x: Novel Mixed-Valence Tellurium Oxides with Framework-Deficient
 Pyrochlore-Related Structure
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8494
_journal_page_last               8501
_journal_paper_doi               10.1021/ic2010375
_journal_volume                  50
_journal_year                    2011
_chemical_formula_moiety         'Cs O6 Te2'
_chemical_formula_sum            'Cs O6 Te2'
_chemical_formula_weight         484.10
_chemical_name_systematic        'Cesium Tellurium Oxide'
_space_group_IT_number           166
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  '-R 3 2"'
_symmetry_space_group_name_H-M   'R -3 m :H'
_cell_angle_alpha                90.0
_cell_angle_beta                 90.0
_cell_angle_gamma                120.0
_cell_formula_units_Z            6
_cell_length_a                   7.2787(1)
_cell_length_b                   7.2787(1)
_cell_length_c                   18.2996(3)
_cell_measurement_reflns_used    1007
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      83.875
_cell_measurement_theta_min      1.5
_cell_volume                     839.61(2)
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  '32 He-3 detectors at 5 degree intervals'
_diffrn_measurement_method
'scan from 0 to 167 degree 2Theta w/ step size 0.05'
_diffrn_radiation_monochromator  Cu(311)
_diffrn_radiation_probe          neutron
_diffrn_radiation_source         neutron
_diffrn_radiation_type           neutron
_diffrn_radiation_wavelength     1.5401(1)
_diffrn_reflns_av_R_equivalents  0.0174
_diffrn_reflns_av_sigmaI/netI    0.0097
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            2987
_diffrn_reflns_theta_full        83.875
_diffrn_reflns_theta_max         83.875
_diffrn_reflns_theta_min         1.50
_diffrn_standards_decay_%        60
_diffrn_standards_interval_count 100
_diffrn_standards_interval_time  10
_diffrn_standards_number         2987
_exptl_absorpt_coefficient_mu    0.12
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    5.759
_exptl_crystal_description       powder
_exptl_crystal_size_max          0.00
_exptl_crystal_size_mid          0.00
_exptl_crystal_size_min          0.00
_pd_phase_name                   'CsTe2O6 NIST Powder Neutron'
_refine_diff_density_max         1.124
_refine_diff_density_min         -1.345
_refine_diff_density_rms         0.205
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_goodness_of_fit_ref   0.960
_refine_ls_matrix_type           full
_refine_ls_number_parameters     25
_refine_ls_number_reflns         1007
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      0.960
_refine_ls_R_factor_all          0.0574
_refine_ls_R_factor_gt           0.0551
_refine_ls_shift/su_max          0.050
_refine_ls_shift/su_mean         0.020
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0194P)^2^+12.3806P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0642
_refine_ls_wR_factor_ref         0.0729
_reflns_number_gt                1007
_reflns_number_total             1007
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic2010375_si_002_3.cif
_cod_data_source_block           rhomb_CsTe2O6_PowderNeutron_publ
_cod_original_cell_volume        839.61(1)
_cod_original_sg_symbol_H-M      'R -3 m'
_cod_database_code               4326104
_cod_depositor_comments
;
 Moving _atom_type_scat_length_neutron, _atom_type_scat_source
 data item into the _atom_type. Removing the atom type prefix
 from the _atom_type_scat_length_neutron values.

 Antanas Vaitkus,
 2017-01-11
;