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	hartrees
Energy at 0K	-872.911141
Energy at 298.15K
HF Energy	-872.767734
Nuclear repulsion energy	192.303679

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2243	2243	136.83
2	A₁	2232	2232	10.49
3	A₁	2213	2213	65.83
4	A₁	969	969	74.79
5	A₁	943	943	2.76
6	A₁	907	907	191.13
7	A₁	574	574	6.30
8	A₁	387	387	0.54
9	A₁	98	98	1.39
10	A₂	2241	2241	0.00
11	A₂	960	960	0.00
12	A₂	720	720	0.00
13	A₂	424	424	0.00
14	A₂	89	89	0.00
15	B₁	2245	2245	222.47
16	B₁	2223	2223	23.34
17	B₁	964	964	77.41
18	B₁	605	605	9.45
19	B₁	318	318	19.89
20	B₁	104	104	0.04
21	B₂	2241	2241	63.26
22	B₂	2228	2228	103.61
23	B₂	961	961	37.00
24	B₂	894	894	326.35
25	B₂	732	732	291.17
26	B₂	466	466	7.23
27	B₂	440	440	16.57

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.899
Si2	0.000	1.941	-0.422
Si3	0.000	-1.941	-0.422
H4	1.204	0.000	1.776
H5	-1.204	0.000	1.776
H6	0.000	3.162	0.426
H7	0.000	-3.162	0.426
H8	1.207	1.964	-1.291
H9	-1.207	1.964	-1.291
H10	-1.207	-1.964	-1.291
H11	1.207	-1.964	-1.291

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3480	2.3480	1.4900	1.4900	3.1971	3.1971	3.1797	3.1797	3.1797	3.1797
Si2	2.3480		3.8821	3.1703	3.1703	1.4869	5.1731	1.4871	1.4871	4.1790	4.1790
Si3	2.3480	3.8821		3.1703	3.1703	5.1731	1.4869	4.1790	4.1790	1.4871	1.4871
H4	1.4900	3.1703	3.1703		2.4089	3.6429	3.6429	3.6420	4.3679	4.3679	3.6420
H5	1.4900	3.1703	3.1703	2.4089		3.6429	3.6429	4.3679	3.6420	3.6420	4.3679
H6	3.1971	1.4869	5.1731	3.6429	3.6429		6.3240	2.4164	2.4164	5.5395	5.5395
H7	3.1971	5.1731	1.4869	3.6429	3.6429	6.3240		5.5395	5.5395	2.4164	2.4164
H8	3.1797	1.4871	4.1790	3.6420	4.3679	2.4164	5.5395		2.4137	4.6112	3.9290
H9	3.1797	1.4871	4.1790	4.3679	3.6420	2.4164	5.5395	2.4137		3.9290	4.6112
H10	3.1797	4.1790	1.4871	4.3679	3.6420	5.5395	2.4164	4.6112	3.9290		2.4137
H11	3.1797	4.1790	1.4871	3.6420	4.3679	5.5395	2.4164	3.9290	4.6112	2.4137

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.958	S1	S2	H8	109.977
S1	S2	H9	109.977	S1	S3	H7	110.958
S1	S3	H10	109.977	S1	S3	H11	109.977
S2	S1	S3	111.518	S2	S1	H4	109.344
S2	S1	H5	109.344	S3	S1	H4	109.344
S3	S1	H5	109.344	H4	S1	H5	107.872
H6	S2	H8	108.686	H6	S2	H9	108.686
H7	S3	H10	108.686	H7	S3	H11	108.686
H8	S2	H9	108.501	H10	S3	H11	108.501

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B2PLYP=FULL/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: B2PLYP=FULL/cc-pV(D+d)Z

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)