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	hartrees
Energy at 0K	-871.746321
Energy at 298.15K	-871.754122
HF Energy	-871.400703
Nuclear repulsion energy	192.852312

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2318	2157	173.03
2	A₁	2307	2147	28.35
3	A₁	2284	2125	99.35
4	A₁	994	925	85.87
5	A₁	969	902	17.80
6	A₁	936	871	220.86
7	A₁	591	550	10.23
8	A₁	404	375	0.97
9	A₁	102	95	2.10
10	A₂	2314	2153	0.00
11	A₂	983	915	0.00
12	A₂	733	682	0.00
13	A₂	430	400	0.00
14	A₂	82	76	0.00
15	B₁	2319	2157	308.27
16	B₁	2294	2135	43.54
17	B₁	987	919	99.58
18	B₁	624	580	12.07
19	B₁	323	301	31.45
20	B₁	101	94	0.08
21	B₂	2317	2156	103.16
22	B₂	2302	2142	117.91
23	B₂	984	916	39.48
24	B₂	927	863	375.60
25	B₂	760	708	352.35
26	B₂	487	453	5.66
27	B₂	455	423	29.11

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.886
Si2	0.000	1.946	-0.417
Si3	0.000	-1.946	-0.417
H4	1.196	0.000	1.757
H5	-1.196	0.000	1.757
H6	0.000	3.150	0.437
H7	0.000	-3.150	0.437
H8	1.199	1.975	-1.279
H9	-1.199	1.975	-1.279
H10	-1.199	-1.975	-1.279
H11	1.199	-1.975	-1.279

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3420	2.3420	1.4799	1.4799	3.1821	3.1821	3.1662	3.1662	3.1662	3.1662
Si2	2.3420		3.8923	3.1537	3.1537	1.4762	5.1674	1.4768	1.4768	4.1901	4.1901
Si3	2.3420	3.8923		3.1537	3.1537	5.1674	1.4762	4.1901	4.1901	1.4768	1.4768
H4	1.4799	3.1537	3.1537		2.3924	3.6191	3.6191	3.6221	4.3423	4.3423	3.6221
H5	1.4799	3.1537	3.1537	2.3924		3.6191	3.6191	4.3423	3.6221	3.6221	4.3423
H6	3.1821	1.4762	5.1674	3.6191	3.6191		6.3005	2.4004	2.4004	5.5364	5.5364
H7	3.1821	5.1674	1.4762	3.6191	3.6191	6.3005		5.5364	5.5364	2.4004	2.4004
H8	3.1662	1.4768	4.1901	3.6221	4.3423	2.4004	5.5364		2.3977	4.6211	3.9504
H9	3.1662	1.4768	4.1901	4.3423	3.6221	2.4004	5.5364	2.3977		3.9504	4.6211
H10	3.1662	4.1901	1.4768	4.3423	3.6221	5.5364	2.4004	4.6211	3.9504		2.3977
H11	3.1662	4.1901	1.4768	3.6221	4.3423	5.5364	2.4004	3.9504	4.6211	2.3977

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.856	S1	S2	H8	109.940
S1	S2	H9	109.940	S1	S3	H7	110.856
S1	S3	H10	109.940	S1	S3	H11	109.940
S2	S1	S3	112.396	S2	S1	H4	109.120
S2	S1	H5	109.120	S3	S1	H4	109.120
S3	S1	H5	109.120	H4	S1	H5	107.860
H6	S2	H8	108.758	H6	S2	H9	108.758
H7	S3	H10	108.758	H7	S3	H11	108.758
H8	S2	H9	108.540	H10	S3	H11	108.540

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP3/6-31+G**

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: MP3/6-31+G**

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)