Rb9Al9Si27O72*17H2O
	Yang P, Armbruster T
	Journal of Solid State Chemistry 123 (1996) 140-149
	Na, K, Rb and Cs exchange in heulandite single-crystals: X-ray structure
	refinements at 100 K
	Sample: T = 100 K
	Locality: Nasik, India
	_database_code_amcsd 0013886
	17.6860 18.0070 7.403 90 116.15 90 C2/m
	atom x y z occ Biso
	Rb1 .0060 .8971 .415 .15 8.9
	Rb2 -.0693 0 .825 .28 5.4
	Rb2' .083 0 .245 .11 3.95
	Rb3 .7509 .5 -.0657 .89 1.76
	Rb3' .287 0 .024 .04 3.95
	Rb4 -.0003 .5 .5637 .33 5.2
	Rb4' .0299 .5 .158 .16 4.8
	Al1 .17932 .17018 .1005 .23 .83
	Si1 .17932 .17018 .1005 .77 .83
	Al2 .28493 .08907 .4960 .42 1.01
	Si2 .28493 .08907 .4960 .58 1.01
	Al3 .29412 .30910 .2871 .2 .86
	Si3 .29412 .30910 .2871 .8 .86
	Al4 .06550 .29958 .4141 .15 .93
	Si4 .06550 .29958 .4141 .85 .93
	Al5 0 .2185 0 .15 1.02
	Si5 0 .2185 0 .85 1.02
	O1 .3019 0 .5427 2.4
	O2 .2300 .1205 .6130 1.77
	O3 .1838 .1567 .8892 1.92
	O4 .2305 .1019 .2488 1.94
	O5 0 .3291 .5 2.1
	O6 .0811 .1646 .0615 1.64
	O7 .3787 .2688 .4542 2.16
	O8 .0089 .2723 .1837 2.05
	O9 .2165 .2506 .1966 1.95
	O10 .1215 .3708 .4143 2.04
	Wat1 .091 0 .010 .2 7.90
	Wat2 .4071 -.0908 .048 10.2
	Wat3 -.065 0 .250 .81 9.7
	Wat4 0 .543 0 .27 5.1
	Wat5 -.066 .042 .693 .19 5.02
	Wat6 .8606 0 .313 .38 .7
	Wat7 -.018 0 .947 .3 .9
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