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	hartrees
Energy at 0K	-870.768419
Energy at 298.15K	-870.775744
HF Energy	-870.768419
Nuclear repulsion energy	194.417414

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2168	2168	79.38
2	A₁	2150	2150	10.26
3	A₁	2136	2136	38.89
4	A₁	896	896	48.79
5	A₁	866	866	1.76
6	A₁	822	822	134.29
7	A₁	533	533	2.84
8	A₁	390	390	0.48
9	A₁	84	84	0.97
10	A₂	2167	2167	0.00
11	A₂	888	888	0.00
12	A₂	673	673	0.00
13	A₂	384	384	0.00
14	A₂	83	83	0.00
15	B₁	2171	2171	139.62
16	B₁	2150	2150	9.83
17	B₁	894	894	45.84
18	B₁	557	557	7.07
19	B₁	287	287	11.95
20	B₁	100	100	0.07
21	B₂	2168	2168	44.77
22	B₂	2147	2147	65.24
23	B₂	889	889	29.13
24	B₂	807	807	228.24
25	B₂	660	660	221.25
26	B₂	459	459	2.86
27	B₂	398	398	14.50

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.908
Si2	0.000	1.894	-0.424
Si3	0.000	-1.894	-0.424
H4	1.211	0.000	1.789
H5	-1.211	0.000	1.789
H6	0.000	3.144	0.393
H7	0.000	-3.144	0.393
H8	1.212	1.894	-1.299
H9	-1.212	1.894	-1.299
H10	-1.212	-1.894	-1.299
H11	1.212	-1.894	-1.299

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3156	2.3156	1.4967	1.4967	3.1861	3.1861	3.1511	3.1511	3.1511	3.1511
Si2	2.3156		3.7870	3.1541	3.1541	1.4940	5.1035	1.4942	1.4942	4.0720	4.0720
Si3	2.3156	3.7870		3.1541	3.1541	5.1035	1.4940	4.0720	4.0720	1.4942	1.4942
H4	1.4967	3.1541	3.1541		2.4211	3.6468	3.6468	3.6225	4.3576	4.3576	3.6225
H5	1.4967	3.1541	3.1541	2.4211		3.6468	3.6468	4.3576	3.6225	3.6225	4.3576
H6	3.1861	1.4940	5.1035	3.6468	3.6468		6.2883	2.4274	2.4274	5.4513	5.4513
H7	3.1861	5.1035	1.4940	3.6468	3.6468	6.2883		5.4513	5.4513	2.4274	2.4274
H8	3.1511	1.4942	4.0720	3.6225	4.3576	2.4274	5.4513		2.4230	4.4973	3.7888
H9	3.1511	1.4942	4.0720	4.3576	3.6225	2.4274	5.4513	2.4230		3.7888	4.4973
H10	3.1511	4.0720	1.4942	4.3576	3.6225	5.4513	2.4274	4.4973	3.7888		2.4230
H11	3.1511	4.0720	1.4942	3.6225	4.3576	5.4513	2.4274	3.7888	4.4973	2.4230

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.693	S1	S2	H8	109.718
S1	S2	H9	109.718	S1	S3	H7	111.693
S1	S3	H10	109.718	S1	S3	H11	109.718
S2	S1	S3	109.717	S2	S1	H4	109.786
S2	S1	H5	109.786	S3	S1	H4	109.786
S3	S1	H5	109.786	H4	S1	H5	107.955
H6	S2	H8	108.645	H6	S2	H9	108.645
H7	S3	H10	108.645	H7	S3	H11	108.645
H8	S2	H9	108.349	H10	S3	H11	108.349

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: LSDA/cc-pCVTZ

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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Number	Element	Mulliken
1	Si	-0.086
2	Si	-0.099
3	Si	-0.099
4	H	0.035
5	H	0.035
6	H	0.037
7	H	0.037
8	H	0.035
9	H	0.035
10	H	0.035
11	H	0.035

<r²>	202.237
(<r²>)^1/2	14.221

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: LSDA/cc-pCVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)