Frolovite
	Egorov-Tismenko Y K, Gushchina A E, Shashkin D N, Simonov M A, Belov N V
	Doklady Akademii Nauk SSSR 202 (1972) 78-80
	The crystal structure of frolovite CaB2O4(H2O)4 = Ca(B(OH)4)2
	_database_code_amcsd 0012451
	7.80 5.70 7.95 108.5 101.5 108.5 P-1
	atom x y z Biso
	Ca .238 .016 .189 .60
	B1 .028 .407 .234 .84
	B2 .448 .326 .712 .31
	OH1 .065 .703 .299 .71
	OH2 .085 .297 .067 .62
	OH3 .141 .367 .385 .81
	OH4 .186 .783 .832 .83
	OH5 .242 .143 .682 .91
	OH6 .426 .738 .162 .87
	OH7 .470 .231 .528 .51
	OH8 .488 .618 .810 .76
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	Frolovite
	Simonov M A, Kazanskaya E V, Egorov-Tismenko Y K, Zhelezi E P, Belov N V
	Doklady Akademii Nauk SSSR 230 (1976) 91-94
	Refinement of the crystal-structure of frolovite, Ca[B(OH)4]2
	Note: T = 18 C
	_database_code_amcsd 0019821
	7.774 5.680 8.136 113.15 101.67 107.87 P-1
	atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	Ca .23679 .01781 .18910 .73 .003806 .007751 .004189 .002389 .001150 .002973
	B1 .0278 .4072 .2349 .84 .004388 .008987 .004551 .002697 .001464 .003277
	B2 .4388 .3151 .7120 .76 .004071 .008538 .003930 .002620 .001464 .002668
	O1 .0655 .7060 .3014 .99 .005868 .007527 .005999 .002774 .002091 .002896
	O2 .0830 .2948 .0654 1.00 .005445 .009774 .004809 .002389 .002091 .002439
	O3 .1418 .3711 .3841 1.10 .006608 .015727 .005430 .005472 .001412 .005335
	O4 .1819 .7728 .8315 1.00 .003965 .010560 .007343 .002312 .002091 .005107
	O5 .2392 .1436 .6828 1.11 .004176 .011459 .007085 .001695 .002248 .004192
	O6 .4245 .7349 .1612 .90 .005075 .011796 .004654 .004316 .001516 .004345
	O7 .4672 .2291 .5274 .91 .005762 .010560 .003723 .003545 .001778 .002896
	O8 .4862 .6227 .8083 .92 .004864 .006965 .005740 .002466 .001725 .002287
	H1 .020 .292 .688 10.1
	H2 .191 .416 .078 2.9
	H3 .232 .485 .415 12
	H4 .793 .107 .202 3.5
	H5 .183 .027 .581 3
	H6 .541 .277 .929 3
	H7 .498 .150 .520 13
	H8 .609 .346 .204 2.7
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Frolovite
	Simonov M A, Kazanskaya E V, Egorov-Tismenko Y K, Zhelezi E P, Belov N V
	Doklady Akademii Nauk SSSR 230 (1976) 91-94
	Refinement of the crystal-structure of frolovite, Ca[B(OH)4]2
	Note: T = -140 C
	_database_code_amcsd 0019822
	7.745 5.667 8.102 113.24 101.54 107.92 P-1
	atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	Ca .23651 .01813 .18818 .36 .001916 .003957 .001826 .003103 .000790 .000845
	B1 .0287 .4076 .2353 .52 .002768 .006444 .002504 .004344 .001212 .001843
	B2 .4383 .3149 .7119 .48 .002555 .005539 .002191 .003879 .000896 .001305
	O1 .0660 .7080 .3016 .58 .003087 .007914 .002295 .004965 .001370 .002227
	O2 .0830 .2948 .0654 .54 .002875 .005992 .002608 .003956 .000896 .001613
	O3 .1433 .3739 .3859 .60 .003194 .006896 .003651 .004267 .001686 .000998
	O4 .1820 .7724 .8306 .56 .002981 .005766 .002556 .005973 .001159 .002073
	O5 .2384 .1414 .6825 .61 .003247 .005426 .003077 .005198 .000685 .001613
	O6 .4243 .7353 .1606 .51 .002715 .005992 .003077 .003646 .001475 .001075
	O7 .4675 .2288 .5267 .51 .002715 .006670 .002869 .003103 .001370 .001382
	O8 .4858 .6236 .8092 .53 .002821 .005879 .001982 .004810 .001001 .001305
	H1 .020 .292 .688 10.1
	H2 .191 .416 .078 2.9
	H3 .232 .485 .415 12
	H4 .793 .107 .202 3.5
	H5 .183 .027 .581 3
	H6 .541 .277 .929 3
	H7 .498 .150 .520 13
	H8 .609 .346 .204 2.7
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