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	hartrees
Energy at 0K	-872.138091
Energy at 298.15K	-872.145793
HF Energy	-871.481959
Nuclear repulsion energy	193.421355

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	2249	2152
2	A₁	2236	2139
3	A₁	2219	2123
4	A₁	969	927
5	A₁	943	902
6	A₁	902	863
7	A₁	572	548
8	A₁	400	383
9	A₁	93	89
10	A₂	2244	2148
11	A₂	962	920
12	A₂	712	682
13	A₂	417	399
14	A₂	91	87
15	B₁	2250	2153
16	B₁	2229	2133
17	B₁	967	925
18	B₁	601	575
19	B₁	315	301
20	B₁	107	102
21	B₂	2247	2151
22	B₂	2231	2135
23	B₂	962	921
24	B₂	888	850
25	B₂	721	690
26	B₂	474	454
27	B₂	435	416

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.916
Si2	0.000	1.913	-0.428
Si3	0.000	-1.913	-0.428
H4	1.202	0.000	1.787
H5	-1.202	0.000	1.787
H6	0.000	3.150	0.389
H7	0.000	-3.150	0.389
H8	1.203	1.916	-1.295
H9	-1.203	1.916	-1.295
H10	-1.203	-1.916	-1.295
H11	1.203	-1.916	-1.295

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3384	2.3384	1.4850	1.4850	3.1932	3.1932	3.1628	3.1628	3.1628	3.1628
Si2	2.3384		3.8270	3.1649	3.1649	1.4821	5.1287	1.4826	1.4826	4.1061	4.1061
Si3	2.3384	3.8270		3.1649	3.1649	5.1287	1.4821	4.1061	4.1061	1.4826	1.4826
H4	1.4850	3.1649	3.1649		2.4048	3.6496	3.6496	3.6288	4.3537	4.3537	3.6288
H5	1.4850	3.1649	3.1649	2.4048		3.6496	3.6496	4.3537	3.6288	3.6288	4.3537
H6	3.1932	1.4821	5.1287	3.6496	3.6496		6.2991	2.4096	2.4096	5.4718	5.4718
H7	3.1932	5.1287	1.4821	3.6496	3.6496	6.2991		5.4718	5.4718	2.4096	2.4096
H8	3.1628	1.4826	4.1061	3.6288	4.3537	2.4096	5.4718		2.4064	4.5244	3.8313
H9	3.1628	1.4826	4.1061	4.3537	3.6288	2.4096	5.4718	2.4064		3.8313	4.5244
H10	3.1628	4.1061	1.4826	4.3537	3.6288	5.4718	2.4096	4.5244	3.8313		2.4064
H11	3.1628	4.1061	1.4826	3.6288	4.3537	5.4718	2.4096	3.8313	4.5244	2.4064

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.426	S1	S2	H8	109.696
S1	S2	H9	109.696	S1	S3	H7	111.426
S1	S3	H10	109.696	S1	S3	H11	109.696
S2	S1	S3	109.829	S2	S1	H4	109.715
S2	S1	H5	109.715	S3	S1	H4	109.715
S3	S1	H5	109.715	H4	S1	H5	108.126
H6	S2	H8	108.734	H6	S2	H9	108.734
H7	S3	H10	108.734	H7	S3	H11	108.734
H8	S2	H9	108.496	H10	S3	H11	108.496

All results from a given calculation for Si₃H₈ (trisilane)

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

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)