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	hartrees
Energy at 0K	-862.779533
Energy at 298.15K
HF Energy	-862.737332
Nuclear repulsion energy	199.114294

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2746	2746	33.83
2	A₁	2694	2694	20.15
3	A₁	2693	2693	1.25
4	A₁	1169	1169	119.20
5	A₁	1156	1156	0.11
6	A₁	1096	1096	220.66
7	A₁	692	692	17.89
8	A₁	497	497	3.43
9	A₁	138	138	2.61
10	A₂	2746	2746	0.00
11	A₂	1160	1160	0.00
12	A₂	882	882	0.00
13	A₂	573	573	0.00
14	A₂	74	74	0.00
15	B₁	2747	2747	57.35
16	B₁	2727	2727	12.89
17	B₁	1162	1162	107.23
18	B₁	720	720	19.27
19	B₁	429	429	37.17
20	B₁	84	84	0.03
21	B₂	2746	2746	13.13
22	B₂	2693	2693	19.23
23	B₂	1163	1163	35.02
24	B₂	1080	1080	343.65
25	B₂	906	906	400.97
26	B₂	614	614	6.95
27	B₂	586	586	28.47

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.833
Si2	0.000	1.893	-0.393
Si3	0.000	-1.893	-0.393
H4	1.152	0.000	1.699
H5	-1.152	0.000	1.699
H6	0.000	3.060	0.450
H7	0.000	-3.060	0.450
H8	1.161	1.965	-1.241
H9	-1.161	1.965	-1.241
H10	-1.161	-1.965	-1.241
H11	1.161	-1.965	-1.241

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.2544	2.2544	1.4420	1.4420	3.0840	3.0840	3.0841	3.0841	3.0841	3.0841
Si2	2.2544		3.7851	3.0472	3.0472	1.4401	5.0240	1.4403	1.4403	4.1173	4.1173
Si3	2.2544	3.7851		3.0472	3.0472	5.0240	1.4401	4.1173	4.1173	1.4403	1.4403
H4	1.4420	3.0472	3.0472		2.3050	3.5004	3.5004	3.5368	4.2265	4.2265	3.5368
H5	1.4420	3.0472	3.0472	2.3050		3.5004	3.5004	4.2265	3.5368	3.5368	4.2265
H6	3.0840	1.4401	5.0240	3.5004	3.5004		6.1204	2.3258	2.3258	5.4283	5.4283
H7	3.0840	5.0240	1.4401	3.5004	3.5004	6.1204		5.4283	5.4283	2.3258	2.3258
H8	3.0841	1.4403	4.1173	3.5368	4.2265	2.3258	5.4283		2.3229	4.5657	3.9306
H9	3.0841	1.4403	4.1173	4.2265	3.5368	2.3258	5.4283	2.3229		3.9306	4.5657
H10	3.0841	4.1173	1.4403	4.2265	3.5368	5.4283	2.3258	4.5657	3.9306		2.3229
H11	3.0841	4.1173	1.4403	3.5368	4.2265	5.4283	2.3258	3.9306	4.5657	2.3229

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.258	S1	S2	H8	111.259
S1	S2	H9	111.259	S1	S3	H7	111.258
S1	S3	H10	111.259	S1	S3	H11	111.259
S2	S1	S3	114.170	S2	S1	H4	109.063
S2	S1	H5	109.063	S3	S1	H4	109.063
S3	S1	H5	109.063	H4	S1	H5	106.109
H6	S2	H8	107.693	H6	S2	H9	107.693
H7	S3	H10	107.693	H7	S3	H11	107.693
H8	S2	H9	107.492	H10	S3	H11	107.492

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B2PLYP=FULLultrafine/STO-3G

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/STO-3G

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)