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	hartrees
Energy at 0K	-872.454762
Energy at 298.15K
HF Energy	-871.438968
Nuclear repulsion energy	191.555342

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	2233	2233
2	A₁	2224	2224
3	A₁	2204	2204
4	A₁	954	954
5	A₁	927	927
6	A₁	892	892
7	A₁	567	567
8	A₁	390	390
9	A₁	90	90
10	A₂	2225	2225
11	A₂	943	943
12	A₂	702	702
13	A₂	409	409
14	A₂	50	50
15	B₁	2233	2233
16	B₁	2215	2215
17	B₁	957	957
18	B₁	591	591
19	B₁	295	295
20	B₁	59i	59i
21	B₂	2231	2231
22	B₂	2214	2214
23	B₂	954	954
24	B₂	879	879
25	B₂	715	715
26	B₂	468	468
27	B₂	433	433

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.911
Si2	0.000	1.943	-0.427
Si3	0.000	-1.943	-0.427
H4	1.209	0.000	1.792
H5	-1.209	0.000	1.792
H6	0.000	3.179	0.410
H7	0.000	-3.179	0.410
H8	1.211	1.956	-1.301
H9	-1.211	1.956	-1.301
H10	-1.211	-1.956	-1.301
H11	1.211	-1.956	-1.301

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3594	2.3594	1.4958	1.4958	3.2178	3.2178	3.1917	3.1917	3.1917	3.1917
Si2	2.3594		3.8857	3.1877	3.1877	1.4929	5.1895	1.4935	1.4935	4.1750	4.1750
Si3	2.3594	3.8857		3.1877	3.1877	5.1895	1.4929	4.1750	4.1750	1.4935	1.4935
H4	1.4958	3.1877	3.1877		2.4183	3.6707	3.6707	3.6594	4.3874	4.3874	3.6594
H5	1.4958	3.1877	3.1877	2.4183		3.6707	3.6707	4.3874	3.6594	3.6594	4.3874
H6	3.2178	1.4929	5.1895	3.6707	3.6707		6.3572	2.4270	2.4270	5.5461	5.5461
H7	3.2178	5.1895	1.4929	3.6707	3.6707	6.3572		5.5461	5.5461	2.4270	2.4270
H8	3.1917	1.4935	4.1750	3.6594	4.3874	2.4270	5.5461		2.4225	4.6012	3.9119
H9	3.1917	1.4935	4.1750	4.3874	3.6594	2.4270	5.5461	2.4225		3.9119	4.6012
H10	3.1917	4.1750	1.4935	4.3874	3.6594	5.5461	2.4270	4.6012	3.9119		2.4225
H11	3.1917	4.1750	1.4935	3.6594	4.3874	5.5461	2.4270	3.9119	4.6012	2.4225

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.299	S1	S2	H8	109.824
S1	S2	H9	109.824	S1	S3	H7	111.299
S1	S3	H10	109.824	S1	S3	H11	109.824
S2	S1	S3	110.863	S2	S1	H4	109.513
S2	S1	H5	109.513	S3	S1	H4	109.513
S3	S1	H5	109.513	H4	S1	H5	107.872
H6	S2	H8	108.720	H6	S2	H9	108.720
H7	S3	H10	108.720	H7	S3	H11	108.720
H8	S2	H9	108.392	H10	S3	H11	108.392

All results from a given calculation for Si₃H₈ (trisilane)

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

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-pCVDZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)