#------------------------------------------------------------------------------
#$Date: 2016-02-20 22:30:07 +0200 (Sat, 20 Feb 2016) $
#$Revision: 176789 $
#$URL: svn://www.crystallography.net/cod/cif/2/22/21/2222175.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_2222175
loop_
_publ_author_name
'Kalpana, Govindaraasan'
'Weller, Mark T.'
_publ_section_title
;
 Rb₂Sb₄O₁₁
;
_journal_coeditor_code           WM2230
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              i41
_journal_paper_doi               10.1107/S1600536809016109
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'Rb2 Sb4 O11'
_chemical_formula_structural     'Rb2 (Sb4 O11)'
_chemical_formula_sum            'O11 Rb2 Sb4'
_chemical_formula_weight         833.94
_chemical_name_systematic
;
Dirubidium tetraantimonate(V)
;
_space_group_IT_number           12
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 95.203(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.5045(11)
_cell_length_b                   7.5681(4)
_cell_length_c                   7.2115(4)
_cell_measurement_reflns_used    1307
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     1060.12(10)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) and COLLECT (Nonius, 1998)'
_computing_data_collection       'COLLECT (Nonius, 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) and COLLECT (Nonius, 1998)'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 2006)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'φ and ω'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0384
_diffrn_reflns_av_sigmaI/netI    0.0325
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            7605
_diffrn_reflns_theta_full        27.55
_diffrn_reflns_theta_max         27.55
_diffrn_reflns_theta_min         3.68
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    19.257
_exptl_absorpt_correction_T_max  0.120
_exptl_absorpt_correction_T_min  0.110
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(SADABS; Sheldrick, 2007)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    5.225
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1464
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.11
_refine_diff_density_max         1.894
_refine_diff_density_min         -1.909
_refine_ls_extinction_coef       0.00092(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.407
_refine_ls_matrix_type           full
_refine_ls_number_parameters     91
_refine_ls_number_reflns         1312
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.397
_refine_ls_R_factor_all          0.0303
_refine_ls_R_factor_gt           0.0277
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[σ²(Fo²)+(0.029P)²+1.4332P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0686
_refine_ls_wR_factor_ref         0.0720
_reflns_number_gt                1234
_reflns_number_total             1312
_reflns_threshold_expression     I>2σ(I)
_cod_data_source_file            wm2230.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'C 2/m'
_cod_database_code               2222175
_cod_database_fobs_code          2222175
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, y, -z'
'x+1/2, y+1/2, z'
'-x+1/2, y+1/2, -z'
'-x, -y, -z'
'x, -y, z'
'-x+1/2, -y+1/2, -z'
'x+1/2, -y+1/2, z'
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
Sb Sb1 0.92822(2) 0.0000 0.90178(6) 0.00457(16) Uani d S 1 . .
Sb Sb2 0.07568(2) 0.0000 0.61748(6) 0.00476(16) Uani d S 1 . .
Sb Sb3 0.825607(17) -0.25714(4) 0.56390(5) 0.00453(15) Uani d . 1 . .
Rb Rb1 0.99190(4) -0.5000 0.74518(10) 0.0115(2) Uani d S 1 . .
Rb Rb2 0.73468(4) 0.0000 0.00596(10) 0.0128(2) Uani d S 1 . .
O O1 0.0000 0.1704(7) 0.0000 0.0060(10) Uani d SU 1 . .
O O2 0.9765(3) 0.0000 0.6548(7) 0.0045(10) Uani d SU 1 . .
O O3 0.8831(3) 0.0000 0.1331(7) 0.0080(11) Uani d S 1 . .
O O4 0.8715(2) -0.1971(5) 0.8087(5) 0.0081(8) Uani d . 1 . .
O O5 0.8339(3) 0.0000 0.4910(7) 0.0072(10) Uani d SU 1 . .
O O6 0.9112(2) -0.2537(4) 0.4296(5) 0.0061(8) Uani d . 1 . .
O O7 0.7364(2) -0.2127(5) 0.6665(5) 0.0069(8) Uani d . 1 . .
O O8 0.8392(3) -0.5000 0.6392(7) 0.0070(11) Uani d S 1 . .
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Rb Rb -0.9393 2.9676 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Sb Sb -0.5866 1.5461 '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
_geom_angle_publ_flag
O4 Sb1 O4 . 6 100.5(2) ?
O4 Sb1 O3 . 1_556 90.47(15) ?
O4 Sb1 O3 6 1_556 90.47(15) ?
O4 Sb1 O1 . 1_656 169.68(15) ?
O4 Sb1 O1 6 1_656 89.17(16) ?
O3 Sb1 O1 1_556 1_656 93.05(12) ?
O4 Sb1 O1 . 5_656 89.17(16) ?
O4 Sb1 O1 6 5_656 169.68(16) ?
O3 Sb1 O1 1_556 5_656 93.05(12) ?
O1 Sb1 O1 1_656 5_656 81.0(2) ?
O4 Sb1 O2 . . 89.55(13) ?
O4 Sb1 O2 6 . 89.55(14) ?
O3 Sb1 O2 1_556 . 180.0(2) ?
O1 Sb1 O2 1_656 . 86.92(11) ?
O1 Sb1 O2 5_656 . 86.92(11) ?
O4 Sb1 Sb1 . 5_757 129.58(11) ?
O4 Sb1 Sb1 6 5_757 129.58(11) ?
O3 Sb1 Sb1 1_556 5_757 94.01(16) ?
O1 Sb1 Sb1 1_656 5_757 40.48(11) ?
O1 Sb1 Sb1 5_656 5_757 40.48(11) ?
O2 Sb1 Sb1 . 5_757 85.95(14) ?
O3 Sb2 O6 5_656 2_656 96.46(12) ?
O3 Sb2 O6 5_656 5_656 96.46(12) ?
O6 Sb2 O6 2_656 5_656 154.0(2) ?
O3 Sb2 O2 5_656 1_455 101.9(2) ?
O6 Sb2 O2 2_656 1_455 99.63(12) ?
O6 Sb2 O2 5_656 1_455 99.63(12) ?
O3 Sb2 O5 5_656 5_656 93.3(2) ?
O6 Sb2 O5 2_656 5_656 78.42(12) ?
O6 Sb2 O5 5_656 5_656 78.42(12) ?
O2 Sb2 O5 1_455 5_656 164.8(2) ?
O3 Sb2 O2 5_656 5_656 176.5(2) ?
O6 Sb2 O2 2_656 5_656 84.25(12) ?
O6 Sb2 O2 5_656 5_656 84.25(12) ?
O2 Sb2 O2 1_455 5_656 74.6(2) ?
O5 Sb2 O2 5_656 5_656 90.24(19) ?
O3 Sb2 Sb3 5_656 5_656 99.95(13) ?
O6 Sb2 Sb3 2_656 5_656 116.27(12) ?
O6 Sb2 Sb3 5_656 5_656 38.97(12) ?
O2 Sb2 Sb3 1_455 5_656 135.10(7) ?
O5 Sb2 Sb3 5_656 5_656 39.73(3) ?
O2 Sb2 Sb3 5_656 5_656 82.79(11) ?
O3 Sb2 Sb3 5_656 2_656 99.95(13) ?
O6 Sb2 Sb3 2_656 2_656 38.97(12) ?
O6 Sb2 Sb3 5_656 2_656 116.27(12) ?
O2 Sb2 Sb3 1_455 2_656 135.10(7) ?
O5 Sb2 Sb3 5_656 2_656 39.73(3) ?
O2 Sb2 Sb3 5_656 2_656 82.79(11) ?
Sb3 Sb2 Sb3 5_656 2_656 77.522(16) ?
O3 Sb2 Sb2 5_656 5_556 140.79(17) ?
O6 Sb2 Sb2 2_656 5_556 92.06(12) ?
O6 Sb2 Sb2 5_656 5_556 92.06(12) ?
O2 Sb2 Sb2 1_455 5_556 38.89(14) ?
O5 Sb2 Sb2 5_656 5_556 125.90(15) ?
O2 Sb2 Sb2 5_656 5_556 35.67(14) ?
Sb3 Sb2 Sb2 5_656 5_556 110.286(17) ?
Sb3 Sb2 Sb2 2_656 5_556 110.286(17) ?
O8 Sb3 O4 . . 85.82(18) ?
O8 Sb3 O7 . 7_646 100.65(19) ?
O4 Sb3 O7 . 7_646 168.10(15) ?
O8 Sb3 O7 . . 99.2(2) ?
O4 Sb3 O7 . . 88.24(15) ?
O7 Sb3 O7 7_646 . 80.91(16) ?
O8 Sb3 O6 . . 92.83(19) ?
O4 Sb3 O6 . . 95.72(15) ?
O7 Sb3 O6 7_646 . 93.94(15) ?
O7 Sb3 O6 . . 167.60(15) ?
O8 Sb3 O5 . . 167.6(2) ?
O4 Sb3 O5 . . 88.31(18) ?
O7 Sb3 O5 7_646 . 87.13(18) ?
O7 Sb3 O5 . . 91.56(18) ?
O6 Sb3 O5 . . 76.85(17) ?
O8 Sb3 Sb3 . 7_646 103.08(16) ?
O4 Sb3 Sb3 . 7_646 128.50(11) ?
O7 Sb3 Sb3 7_646 7_646 40.47(11) ?
O7 Sb3 Sb3 . 7_646 40.43(10) ?
O6 Sb3 Sb3 . 7_646 133.40(11) ?
O5 Sb3 Sb3 . 7_646 89.14(15) ?
O8 Sb3 Sb2 . 5_656 129.85(16) ?
O4 Sb3 Sb2 . 5_656 89.09(11) ?
O7 Sb3 Sb2 7_646 5_656 94.24(11) ?
O7 Sb3 Sb2 . 5_656 130.51(11) ?
O6 Sb3 Sb2 . 5_656 38.16(9) ?
O5 Sb3 Sb2 . 5_656 38.97(15) ?
Sb3 Sb3 Sb2 7_646 5_656 118.398(18) ?
O8 Rb1 O6 . 2_756 122.58(10) ?
O8 Rb1 O6 . 5_746 122.58(10) ?
O6 Rb1 O6 2_756 5_746 76.51(14) ?
O8 Rb1 O1 . 5_656 98.45(6) ?
O6 Rb1 O1 2_756 5_656 75.47(8) ?
O6 Rb1 O1 5_746 5_656 138.39(8) ?
O8 Rb1 O1 . 1_646 98.45(6) ?
O6 Rb1 O1 2_756 1_646 138.39(8) ?
O6 Rb1 O1 5_746 1_646 75.47(8) ?
O1 Rb1 O1 5_656 1_646 107.47(11) ?
O8 Rb1 O6 . 6_545 54.15(10) ?
O6 Rb1 O6 2_756 6_545 110.23(8) ?
O6 Rb1 O6 5_746 6_545 68.45(13) ?
O1 Rb1 O6 5_656 6_545 151.31(8) ?
O1 Rb1 O6 1_646 6_545 87.06(8) ?
O8 Rb1 O6 . . 54.15(10) ?
O6 Rb1 O6 2_756 . 68.45(13) ?
O6 Rb1 O6 5_746 . 110.23(8) ?
O1 Rb1 O6 5_656 . 87.06(8) ?
O1 Rb1 O6 1_646 . 151.31(8) ?
O6 Rb1 O6 6_545 . 70.31(13) ?
O8 Rb1 O4 . 6_545 48.93(8) ?
O6 Rb1 O4 2_756 6_545 163.20(9) ?
O6 Rb1 O4 5_746 6_545 96.20(9) ?
O1 Rb1 O4 5_656 6_545 118.05(7) ?
O1 Rb1 O4 1_646 6_545 50.52(7) ?
O6 Rb1 O4 6_545 6_545 53.05(9) ?
O6 Rb1 O4 . 6_545 100.87(10) ?
O8 Rb1 O4 . . 48.93(8) ?
O6 Rb1 O4 2_756 . 96.20(9) ?
O6 Rb1 O4 5_746 . 163.20(9) ?
O1 Rb1 O4 5_656 . 50.52(7) ?
O1 Rb1 O4 1_646 . 118.05(7) ?
O6 Rb1 O4 6_545 . 100.87(10) ?
O6 Rb1 O4 . . 53.05(9) ?
O4 Rb1 O4 6_545 . 86.60(13) ?
O7 Rb2 O7 1_554 6_554 66.58(15) ?
O7 Rb2 O3 1_554 . 100.00(11) ?
O7 Rb2 O3 6_554 . 100.00(11) ?
O7 Rb2 O8 1_554 7_646 137.98(10) ?
O7 Rb2 O8 6_554 7_646 137.98(10) ?
O3 Rb2 O8 . 7_646 105.29(14) ?
O7 Rb2 O7 1_554 4_656 165.42(8) ?
O7 Rb2 O7 6_554 4_656 103.13(8) ?
O3 Rb2 O7 . 4_656 70.82(10) ?
O8 Rb2 O7 7_646 4_656 56.58(9) ?
O7 Rb2 O7 1_554 7_646 103.13(8) ?
O7 Rb2 O7 6_554 7_646 165.42(8) ?
O3 Rb2 O7 . 7_646 70.82(10) ?
O8 Rb2 O7 7_646 7_646 56.58(9) ?
O7 Rb2 O7 4_656 7_646 84.86(13) ?
O7 Rb2 O4 1_554 7_646 90.66(9) ?
O7 Rb2 O4 6_554 7_646 137.99(10) ?
O3 Rb2 O4 . 7_646 119.13(9) ?
O8 Rb2 O4 7_646 7_646 47.69(7) ?
O7 Rb2 O4 4_656 7_646 103.67(9) ?
O7 Rb2 O4 7_646 7_646 48.47(9) ?
O7 Rb2 O4 1_554 4_656 137.99(10) ?
O7 Rb2 O4 6_554 4_656 90.66(9) ?
O3 Rb2 O4 . 4_656 119.13(9) ?
O8 Rb2 O4 7_646 4_656 47.69(7) ?
O7 Rb2 O4 4_656 4_656 48.47(9) ?
O7 Rb2 O4 7_646 4_656 103.67(9) ?
O4 Rb2 O4 7_646 4_656 83.58(13) ?
O7 Rb2 O4 1_554 6_554 80.00(10) ?
O7 Rb2 O4 6_554 6_554 49.82(9) ?
O3 Rb2 O4 . 6_554 50.19(10) ?
O8 Rb2 O4 7_646 6_554 141.55(9) ?
O7 Rb2 O4 4_656 6_554 85.45(9) ?
O7 Rb2 O4 7_646 6_554 120.02(9) ?
O4 Rb2 O4 7_646 6_554 163.25(10) ?
O4 Rb2 O4 4_656 6_554 112.65(7) ?
O7 Rb2 O4 1_554 1_554 49.82(9) ?
O7 Rb2 O4 6_554 1_554 80.00(10) ?
O3 Rb2 O4 . 1_554 50.19(10) ?
O8 Rb2 O4 7_646 1_554 141.55(9) ?
O7 Rb2 O4 4_656 1_554 120.02(9) ?
O7 Rb2 O4 7_646 1_554 85.45(9) ?
O4 Rb2 O4 7_646 1_554 112.65(7) ?
O4 Rb2 O4 4_656 1_554 163.25(10) ?
O4 Rb2 O4 6_554 1_554 50.88(12) ?
Rb2 Rb2 Rb2 7_655 7_645 161.64(5) ?
Sb3 O7 Sb3 7_646 . 99.09(16) ?
Sb3 O7 Rb2 7_646 1_556 135.39(17) ?
Sb3 O7 Rb2 . 1_556 118.83(16) ?
Sb3 O7 Rb2 7_646 7_646 126.22(16) ?
Sb3 O7 Rb2 . 7_646 93.33(13) ?
Rb2 O7 Rb2 1_556 7_646 76.87(8) ?
Sb2 O6 Sb3 5_656 . 102.87(16) ?
Sb2 O6 Rb1 5_656 5_746 115.79(16) ?
Sb3 O6 Rb1 . 5_746 140.87(15) ?
Sb2 O6 Rb1 5_656 . 128.30(17) ?
Sb3 O6 Rb1 . . 91.48(12) ?
Rb1 O6 Rb1 5_746 . 69.77(8) ?
Sb2 O2 Sb1 1_655 . 129.7(2) ?
Sb2 O2 Sb2 1_655 5_656 105.4(2) ?
Sb1 O2 Sb2 . 5_656 124.9(2) ?
Sb2 O3 Sb1 5_656 1_554 128.4(3) ?
Sb2 O3 Rb2 5_656 . 127.7(2) ?
Sb1 O3 Rb2 1_554 . 103.86(19) ?
Sb2 O5 Sb3 5_656 6 101.30(15) ?
Sb2 O5 Sb3 5_656 . 101.30(15) ?
Sb3 O5 Sb3 6 . 147.7(3) ?
Sb1 O1 Sb1 1_454 5_656 99.0(2) ?
Sb1 O1 Rb1 1_454 5_656 137.03(6) ?
Sb1 O1 Rb1 5_656 5_656 108.38(6) ?
Sb1 O1 Rb1 1_454 1_464 108.38(6) ?
Sb1 O1 Rb1 5_656 1_464 137.03(6) ?
Rb1 O1 Rb1 5_656 1_464 72.53(11) ?
Sb3 O8 Sb3 6_545 . 144.8(3) ?
Sb3 O8 Rb1 6_545 . 100.33(16) ?
Sb3 O8 Rb1 . . 100.33(16) ?
Sb3 O8 Rb2 6_545 7_646 99.97(16) ?
Sb3 O8 Rb2 . 7_646 99.97(16) ?
Rb1 O8 Rb2 . 7_646 108.63(15) ?
Sb1 O4 Sb3 . . 133.59(19) ?
Sb1 O4 Rb1 . . 100.91(14) ?
Sb3 O4 Rb1 . . 89.24(12) ?
Sb1 O4 Rb2 . 7_646 136.26(15) ?
Sb3 O4 Rb2 . 7_646 87.33(12) ?
Rb1 O4 Rb2 . 7_646 92.95(9) ?
Sb1 O4 Rb2 . 1_556 87.90(12) ?
Sb3 O4 Rb2 . 1_556 99.39(14) ?
Rb1 O4 Rb2 . 1_556 157.86(12) ?
Rb2 O4 Rb2 7_646 1_556 67.35(7) ?
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
Sb1 O4 . 1.940(4) y
Sb1 O4 6 1.940(4) ?
Sb1 O3 1_556 1.956(5) y
Sb1 O1 1_656 1.986(3) y
Sb1 O1 5_656 1.986(3) ?
Sb1 O2 . 2.089(5) y
Sb1 Sb1 5_757 3.0211(10) ?
Sb2 O3 5_656 1.903(5) y
Sb2 O6 2_656 1.970(3) y
Sb2 O6 5_656 1.970(3) ?
Sb2 O2 1_455 1.977(5) y
Sb2 O5 5_656 1.993(5) y
Sb2 O2 5_656 2.129(5) y
Sb2 Sb3 5_656 3.1084(5) ?
Sb2 Sb3 2_656 3.1084(5) ?
Sb2 Sb2 5_556 3.2679(10) ?
Sb3 O8 . 1.9281(15) y
Sb3 O4 . 1.959(4) y
Sb3 O7 7_646 1.978(4) y
Sb3 O7 . 1.979(4) y
Sb3 O6 . 2.005(4) y
Sb3 O5 . 2.0261(14) y
Sb3 Sb3 7_646 3.0111(7) ?
Sb3 Sb2 5_656 3.1084(5) ?
Rb1 O8 . 3.007(5) ?
Rb1 O6 2_756 3.011(4) ?
Rb1 O6 5_746 3.011(4) ?
Rb1 O1 5_656 3.094(4) ?
Rb1 O1 1_646 3.094(4) ?
Rb1 O6 6_545 3.238(4) ?
Rb1 O6 . 3.238(4) ?
Rb1 O4 6_545 3.343(4) ?
Rb1 O4 . 3.343(4) ?
Rb1 Rb1 5_746 3.5787(14) ?
Rb1 Rb1 5_747 3.6602(14) ?
Rb2 O7 1_554 2.933(4) ?
Rb2 O7 6_554 2.933(4) ?
Rb2 O3 . 2.956(5) ?
Rb2 O8 7_646 3.048(5) ?
Rb2 O7 4_656 3.222(4) ?
Rb2 O7 7_646 3.222(4) ?
Rb2 O4 7_646 3.440(4) ?
Rb2 O4 4_656 3.440(4) ?
Rb2 O4 6_554 3.473(4) ?
Rb2 O4 1_554 3.473(4) ?
Rb2 Rb2 7_655 3.8331(3) ?
Rb2 Rb2 7_645 3.8331(3) ?
