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	hartrees
Energy at 0K	-871.963725
Energy at 298.15K
HF Energy	-871.483278
Nuclear repulsion energy	192.335449

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.913
Si2	0.000	1.932	-0.428
Si3	0.000	-1.932	-0.428
H4	1.205	0.000	1.788
H5	-1.205	0.000	1.788
H6	0.000	3.164	0.404
H7	0.000	-3.164	0.404
H8	1.207	1.942	-1.296
H9	-1.207	1.942	-1.296
H10	-1.207	-1.942	-1.296
H11	1.207	-1.942	-1.296

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3513	2.3513	1.4898	1.4898	3.2046	3.2046	3.1791	3.1791	3.1791	3.1791
Si2	2.3513		3.8641	3.1773	3.1773	1.4865	5.1635	1.4871	1.4871	4.1495	4.1495
Si3	2.3513	3.8641		3.1773	3.1773	5.1635	1.4865	4.1495	4.1495	1.4871	1.4871
H4	1.4898	3.1773	3.1773		2.4105	3.6578	3.6578	3.6448	4.3708	4.3708	3.6448
H5	1.4898	3.1773	3.1773	2.4105		3.6578	3.6578	4.3708	3.6448	3.6448	4.3708
H6	3.2046	1.4865	5.1635	3.6578	3.6578		6.3281	2.4170	2.4170	5.5152	5.5152
H7	3.2046	5.1635	1.4865	3.6578	3.6578	6.3281		5.5152	5.5152	2.4170	2.4170
H8	3.1791	1.4871	4.1495	3.6448	4.3708	2.4170	5.5152		2.4140	4.5728	3.8837
H9	3.1791	1.4871	4.1495	4.3708	3.6448	2.4170	5.5152	2.4140		3.8837	4.5728
H10	3.1791	4.1495	1.4871	4.3708	3.6448	5.5152	2.4170	4.5728	3.8837		2.4140
H11	3.1791	4.1495	1.4871	3.6448	4.3708	5.5152	2.4170	3.8837	4.5728	2.4140

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.230	S1	S2	H8	109.776
S1	S2	H9	109.776	S1	S3	H7	111.230
S1	S3	H10	109.776	S1	S3	H11	109.776
S2	S1	S3	110.505	S2	S1	H4	109.573
S2	S1	H5	109.573	S3	S1	H4	109.573
S3	S1	H5	109.573	H4	S1	H5	108.002
H6	S2	H8	108.746	H6	S2	H9	108.746
H7	S3	H10	108.746	H7	S3	H11	108.746
H8	S2	H9	108.513	H10	S3	H11	108.513

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: QCISD(T)/aug-cc-pVTZ

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for Si3H8 (trisilane)

using model chemistry: QCISD(T)/aug-cc-pVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)