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	hartrees
Energy at 0K	-872.313055
Energy at 298.15K	-872.320806
HF Energy	-871.473614
Nuclear repulsion energy	193.841543

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2299	2299	126.08
2	A₁	2288	2288	21.71
3	A₁	2270	2270	66.83
4	A₁	986	986	77.75
5	A₁	959	959	0.63
6	A₁	918	918	208.33
7	A₁	581	581	6.13
8	A₁	401	401	0.53
9	A₁	94	94	1.44
10	A₂	2295	2295	0.00
11	A₂	979	979	0.00
12	A₂	726	726	0.00
13	A₂	424	424	0.00
14	A₂	90	90	0.00
15	B₁	2300	2300	231.74
16	B₁	2279	2279	19.01
17	B₁	983	983	82.01
18	B₁	611	611	9.98
19	B₁	319	319	21.46
20	B₁	108	108	0.08
21	B₂	2297	2297	84.65
22	B₂	2284	2284	89.22
23	B₂	979	979	41.37
24	B₂	904	904	341.51
25	B₂	731	731	284.23
26	B₂	477	477	8.01
27	B₂	441	441	20.61

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.910
Si2	0.000	1.915	-0.426
Si3	0.000	-1.915	-0.426
H4	1.197	0.000	1.776
H5	-1.197	0.000	1.776
H6	0.000	3.139	0.395
H7	0.000	-3.139	0.395
H8	1.197	1.919	-1.286
H9	-1.197	1.919	-1.286
H10	-1.197	-1.919	-1.286
H11	1.197	-1.919	-1.286

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3351	2.3351	1.4771	1.4771	3.1813	3.1813	3.1530	3.1530	3.1530	3.1530
Si2	2.3351		3.8301	3.1540	3.1540	1.4739	5.1206	1.4745	1.4745	4.1080	4.1080
Si3	2.3351	3.8301		3.1540	3.1540	5.1206	1.4739	4.1080	4.1080	1.4745	1.4745
H4	1.4771	3.1540	3.1540		2.3935	3.6324	3.6324	3.6138	4.3349	4.3349	3.6138
H5	1.4771	3.1540	3.1540	2.3935		3.6324	3.6324	4.3349	3.6138	3.6138	4.3349
H6	3.1813	1.4739	5.1206	3.6324	3.6324		6.2785	2.3977	2.3977	5.4634	5.4634
H7	3.1813	5.1206	1.4739	3.6324	3.6324	6.2785		5.4634	5.4634	2.3977	2.3977
H8	3.1530	1.4745	4.1080	3.6138	4.3349	2.3977	5.4634		2.3949	4.5243	3.8384
H9	3.1530	1.4745	4.1080	4.3349	3.6138	2.3977	5.4634	2.3949		3.8384	4.5243
H10	3.1530	4.1080	1.4745	4.3349	3.6138	5.4634	2.3977	4.5243	3.8384		2.3949
H11	3.1530	4.1080	1.4745	3.6138	4.3349	5.4634	2.3977	3.8384	4.5243	2.3949

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.255	S1	S2	H8	109.642
S1	S2	H9	109.642	S1	S3	H7	111.255
S1	S3	H10	109.642	S1	S3	H11	109.642
S2	S1	S3	110.197	S2	S1	H4	109.594
S2	S1	H5	109.594	S3	S1	H4	109.594
S3	S1	H5	109.594	H4	S1	H5	108.239
H6	S2	H8	108.821	H6	S2	H9	108.821
H7	S3	H10	108.821	H7	S3	H11	108.821
H8	S2	H9	108.611	H10	S3	H11	108.611

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP2=FULL/Def2TZVPP

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: MP2=FULL/Def2TZVPP

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)