data_2005611
_journal_name_full  'Acta Crystallographica'
_journal_year      1996
_journal_volume 	C52
_journal_page_first 	2660
_journal_page_last 	2662
_publ_section_title 	
;
The First Beryllium Periodate: Be(H~4~IO~6~)~2~.4H~2~O
;
_chemical_formula_moiety 	'Be(H4 I O6)2, 4H2 O'
_chemical_formula_sum 	'Be H16 I2 O16'
_chemical_formula_weight 	534.94
_symmetry_cell_setting 	Tetragonal
loop_
_symmetry_equiv_pos_as_xyz
 'x, y, z'
 '-y+1/4, x+3/4, z+1/4'
 '-x+1/2, -y, z+1/2'
 'y+1/4, -x+1/4, z+3/4'
 '-x, y, z+1/2'
 'y+3/4, x+3/4, z+3/4'
 'x+1/2, -y, z'
 '-y+3/4, -x+1/4, z+1/4'
 'x+1/2, y+1/2, z+1/2'
 '-y+3/4, x+5/4, z+3/4'
 '-x+1, -y+1/2, z+1'
 'y+3/4, -x+3/4, z+5/4'
 '-x+1/2, y+1/2, z+1'
 'y+5/4, x+5/4, z+5/4'
 'x+1, -y+1/2, z+1/2'
 '-y+5/4, -x+3/4, z+3/4'
 '-x, -y, -z'
 'y-1/4, -x-3/4, -z-1/4'
 'x-1/2, y, -z-1/2'
 '-y-1/4, x-1/4, -z-3/4'
 'x, -y, -z-1/2'
 '-y-3/4, -x-3/4, -z-3/4'
 '-x-1/2, y, -z'
 'y-3/4, x-1/4, -z-1/4'
 '-x+1/2, -y+1/2, -z+1/2'
 'y+1/4, -x-1/4, -z+1/4'
 'x, y+1/2, -z'
 '-y+1/4, x+1/4, -z-1/4'
 'x+1/2, -y+1/2, -z'
 '-y-1/4, -x-1/4, -z-1/4'
 '-x, y+1/2, -z+1/2'
 'y-1/4, x+1/4, -z+1/4'
_symmetry_space_group_name_H-M 	'I 41/a c d'
_cell_length_a 	10.8997(7)
_cell_length_b 	10.8997(7)
_cell_length_c 	42.817(4)
_cell_angle_alpha 	90.00
_cell_angle_beta 	90.00
_cell_angle_gamma 	90.00
_cell_volume 	5086.8(7)
_cell_formula_units_Z 	16
_exptl_crystal_density_diffrn 	2.794
_exptl_crystal_density_meas 	2.75
_cell_measurement_temperature 	293(2)
loop_
_atom_site_label
_atom_site_occupancy
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
 Be 1 0.7500 0.2344(13) 0.0000 0.026(4)
 I 1 0.48630(5) -0.00410(3) 0.078806(11) 0.0144(3)
 O1W 1 0.7523(5) 0.3161(6) 0.03115(12) 0.0320(14)
 O2W 1 0.6253(5) 0.1548(5) 0.00081(11) 0.0306(14)
 O3 1 0.4194(4) 0.0176(4) 0.04080(9) 0.0208(11)
 O4 1 0.5605(4) -0.1519(4) 0.06973(10) 0.0221(11)
 O5 1 0.3457(4) -0.0746(4) 0.09501(9) 0.0206(11)
 O6 1 0.6263(4) 0.0805(4) 0.06349(10) 0.0238(12)
 O7 1 0.4277(5) 0.1518(4) 0.09268(13) 0.0276(13)
 O8 1 0.5634(5) -0.0132(5) 0.11893(13) 0.0277(13)
 H1W1 1 0.8061(78) 0.3240(81) 0.0402(20) 0.050
 H1W2 1 0.7103(79) 0.3718(78) 0.0344(19) 0.050
 H2W1 1 0.6097(77) 0.1254(76) 0.0169(19) 0.050
 H2W2 1 0.6095(85) 0.1049(81) -0.0091(20) 0.050
 H4 0.50 0.5060(179) -0.2056(117) 0.0674(31) 0.050
 H5 0.50 0.3442(155) -0.0754(163) 0.1114(31) 0.050
 H6 1 0.6721(81) 0.0698(85) 0.0730(20) 0.050
 H7 1 0.4606(96) 0.1851(86) 0.0948(24) 0.050
 H8 1 0.6034(88) -0.0377(96) 0.1185(26) 0.050