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	hartrees
Energy at 0K	-872.911146
Energy at 298.15K
HF Energy	-872.767740
Nuclear repulsion energy	192.299255

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2246	2246	137.04
2	A₁	2235	2235	10.56
3	A₁	2217	2217	65.83
4	A₁	969	969	75.06
5	A₁	944	944	2.57
6	A₁	907	907	190.86
7	A₁	574	574	6.26
8	A₁	387	387	0.54
9	A₁	99	99	1.39
10	A₂	2243	2243	0.00
11	A₂	960	960	0.00
12	A₂	720	720	0.00
13	A₂	424	424	0.00
14	A₂	88	88	0.00
15	B₁	2248	2248	223.76
16	B₁	2226	2226	21.93
17	B₁	964	964	77.48
18	B₁	605	605	9.38
19	B₁	318	318	19.95
20	B₁	104	104	0.05
21	B₂	2244	2244	63.66
22	B₂	2231	2231	103.28
23	B₂	961	961	36.85
24	B₂	894	894	327.07
25	B₂	732	732	290.43
26	B₂	466	466	7.18
27	B₂	440	440	16.89

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	0.427
H7	0.000	-3.162	0.427
H8	1.207	1.965	-1.291
H9	-1.207	1.965	-1.291
H10	-1.207	-1.965	-1.291
H11	1.207	-1.965	-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		3.8825	3.1702	3.1702	1.4870	5.1735	1.4871	1.4871	4.1797	4.1797
Si3	2.3480	3.8825		3.1702	3.1702	5.1735	1.4870	4.1797	4.1797	1.4871	1.4871
H4	1.4900	3.1702	3.1702		2.4090	3.6427	3.6427	3.6418	4.3678	4.3678	3.6418
H5	1.4900	3.1702	3.1702	2.4090		3.6427	3.6427	4.3678	3.6418	3.6418	4.3678
H6	3.1971	1.4870	5.1735	3.6427	3.6427		6.3241	2.4164	2.4164	5.5401	5.5401
H7	3.1971	5.1735	1.4870	3.6427	3.6427	6.3241		5.5401	5.5401	2.4164	2.4164
H8	3.1797	1.4871	4.1797	3.6418	4.3678	2.4164	5.5401		2.4138	4.6121	3.9300
H9	3.1797	1.4871	4.1797	4.3678	3.6418	2.4164	5.5401	2.4138		3.9300	4.6121
H10	3.1797	4.1797	1.4871	4.3678	3.6418	5.5401	2.4164	4.6121	3.9300		2.4138
H11	3.1797	4.1797	1.4871	3.6418	4.3678	5.5401	2.4164	3.9300	4.6121	2.4138

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.954	S1	S2	H8	109.979
S1	S2	H9	109.979	S1	S3	H7	110.954
S1	S3	H10	109.979	S1	S3	H11	109.979
S2	S1	S3	111.538	S2	S1	H4	109.337
S2	S1	H5	109.337	S3	S1	H4	109.337
S3	S1	H5	109.337	H4	S1	H5	107.882
H6	S2	H8	108.682	H6	S2	H9	108.682
H7	S3	H10	108.682	H7	S3	H11	108.682
H8	S2	H9	108.509	H10	S3	H11	108.509

All results from a given calculation for Si₃H₈ (trisilane)

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

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)