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	hartrees
Energy at 0K	-872.875227
Energy at 298.15K
HF Energy	-872.755327
Nuclear repulsion energy	191.627953

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2236	2152	142.73
2	A₁	2227	2143	15.12
3	A₁	2207	2123	66.51
4	A₁	960	923	73.64
5	A₁	936	901	0.16
6	A₁	892	859	188.57
7	A₁	568	546	6.06
8	A₁	384	369	0.55
9	A₁	95	91	1.41
10	A₂	2233	2149	0.00
11	A₂	953	918	0.00
12	A₂	712	685	0.00
13	A₂	421	405	0.00
14	A₂	73	70	0.00
15	B₁	2239	2155	243.68
16	B₁	2215	2132	19.99
17	B₁	958	922	73.71
18	B₁	599	576	9.52
19	B₁	312	301	20.39
20	B₁	95	91	0.06
21	B₂	2235	2150	77.21
22	B₂	2222	2139	99.03
23	B₂	953	917	38.18
24	B₂	879	846	308.64
25	B₂	718	691	298.42
26	B₂	460	443	8.90
27	B₂	434	418	16.98

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.912
Si2	0.000	1.942	-0.428
Si3	0.000	-1.942	-0.428
H4	1.210	0.000	1.789
H5	-1.210	0.000	1.789
H6	0.000	3.174	0.413
H7	0.000	-3.174	0.413
H8	1.211	1.955	-1.298
H9	-1.211	1.955	-1.298
H10	-1.211	-1.955	-1.298
H11	1.211	-1.955	-1.298

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3596	2.3596	1.4942	1.4942	3.2129	3.2129	3.1896	3.1896	3.1896	3.1896
Si2	2.3596		3.8848	3.1861	3.1861	1.4913	5.1850	1.4916	1.4916	4.1729	4.1729
Si3	2.3596	3.8848		3.1861	3.1861	5.1850	1.4913	4.1729	4.1729	1.4916	1.4916
H4	1.4942	3.1861	3.1861		2.4190	3.6648	3.6648	3.6545	4.3834	4.3834	3.6545
H5	1.4942	3.1861	3.1861	2.4190		3.6648	3.6648	4.3834	3.6545	3.6545	4.3834
H6	3.2129	1.4913	5.1850	3.6648	3.6648		6.3480	2.4254	2.4254	5.5408	5.5408
H7	3.2129	5.1850	1.4913	3.6648	3.6648	6.3480		5.5408	5.5408	2.4254	2.4254
H8	3.1896	1.4916	4.1729	3.6545	4.3834	2.4254	5.5408		2.4220	4.5991	3.9096
H9	3.1896	1.4916	4.1729	4.3834	3.6545	2.4254	5.5408	2.4220		3.9096	4.5991
H10	3.1896	4.1729	1.4916	4.3834	3.6545	5.5408	2.4254	4.5991	3.9096		2.4220
H11	3.1896	4.1729	1.4916	3.6545	4.3834	5.5408	2.4254	3.9096	4.5991	2.4220

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.081	S1	S2	H8	109.771
S1	S2	H9	109.771	S1	S3	H7	111.081
S1	S3	H10	109.771	S1	S3	H11	109.771
S2	S1	S3	110.813	S2	S1	H4	109.473
S2	S1	H5	109.473	S3	S1	H4	109.473
S3	S1	H5	109.473	H4	S1	H5	108.086
H6	S2	H8	108.802	H6	S2	H9	108.802
H7	S3	H10	108.802	H7	S3	H11	108.802
H8	S2	H9	108.565	H10	S3	H11	108.565

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B2PLYP=FULLultrafine/aug-cc-pVDZ

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: B2PLYP=FULLultrafine/aug-cc-pVDZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)