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	hartrees
Energy at 0K	-871.836540
Energy at 298.15K
HF Energy	-871.453875
Nuclear repulsion energy	191.678103

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2259	2259	127.20
2	A₁	2249	2249	17.04
3	A₁	2231	2231	72.97
4	A₁	974	974	81.88
5	A₁	951	951	6.33
6	A₁	916	916	205.47
7	A₁	577	577	7.67
8	A₁	391	391	0.62
9	A₁	99	99	1.62
10	A₂	2256	2256	0.00
11	A₂	965	965	0.00
12	A₂	721	721	0.00
13	A₂	428	428	0.00
14	A₂	87	87	0.00
15	B₁	2260	2260	224.85
16	B₁	2241	2241	22.11
17	B₁	969	969	86.49
18	B₁	608	608	10.28
19	B₁	320	320	23.40
20	B₁	102	102	0.04
21	B₂	2258	2258	73.95
22	B₂	2244	2244	97.33
23	B₂	966	966	39.03
24	B₂	904	904	350.45
25	B₂	738	738	297.07
26	B₂	471	471	8.59
27	B₂	445	445	20.20

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.906
Si2	0.000	1.948	-0.426
Si3	0.000	-1.948	-0.426
H4	1.204	0.000	1.783
H5	-1.204	0.000	1.783
H6	0.000	3.171	0.419
H7	0.000	-3.171	0.419
H8	1.206	1.968	-1.294
H9	-1.206	1.968	-1.294
H10	-1.206	-1.968	-1.294
H11	1.206	-1.968	-1.294

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3598	2.3598	1.4893	1.4893	3.2084	3.2084	3.1887	3.1887	3.1887	3.1887
Si2	2.3598		3.8960	3.1815	3.1815	1.4862	5.1883	1.4866	1.4866	4.1882	4.1882
Si3	2.3598	3.8960		3.1815	3.1815	5.1883	1.4862	4.1882	4.1882	1.4866	1.4866
H4	1.4893	3.1815	3.1815		2.4080	3.6561	3.6561	3.6523	4.3759	4.3759	3.6523
H5	1.4893	3.1815	3.1815	2.4080		3.6561	3.6561	4.3759	3.6523	3.6523	4.3759
H6	3.2084	1.4862	5.1883	3.6561	3.6561		6.3423	2.4160	2.4160	5.5493	5.5493
H7	3.2084	5.1883	1.4862	3.6561	3.6561	6.3423		5.5493	5.5493	2.4160	2.4160
H8	3.1887	1.4866	4.1882	3.6523	4.3759	2.4160	5.5493		2.4127	4.6159	3.9351
H9	3.1887	1.4866	4.1882	4.3759	3.6523	2.4160	5.5493	2.4127		3.9351	4.6159
H10	3.1887	4.1882	1.4866	4.3759	3.6523	5.5493	2.4160	4.6159	3.9351		2.4127
H11	3.1887	4.1882	1.4866	3.6523	4.3759	5.5493	2.4160	3.9351	4.6159	2.4127

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.026	S1	S2	H8	109.913
S1	S2	H9	109.913	S1	S3	H7	111.026
S1	S3	H10	109.913	S1	S3	H11	109.913
S2	S1	S3	111.279	S2	S1	H4	109.403
S2	S1	H5	109.403	S3	S1	H4	109.403
S3	S1	H5	109.403	H4	S1	H5	107.882
H6	S2	H8	108.725	H6	S2	H9	108.725
H7	S3	H10	108.725	H7	S3	H11	108.725
H8	S2	H9	108.484	H10	S3	H11	108.484

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: CCD/cc-pV(D+d)Z

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: CCD/cc-pV(D+d)Z

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)