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	hartrees
Energy at 0K	-873.034557
Energy at 298.15K	-873.042305
HF Energy	-872.806108
Nuclear repulsion energy	193.101093

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2249	2249	137.49
2	A₁	2241	2241	17.06
3	A₁	2219	2219	65.32
4	A₁	974	974	74.49
5	A₁	948	948	1.47
6	A₁	910	910	194.29
7	A₁	576	576	6.20
8	A₁	390	390	0.55
9	A₁	97	97	1.38
10	A₂	2245	2245	0.00
11	A₂	966	966	0.00
12	A₂	720	720	0.00
13	A₂	424	424	0.00
14	A₂	94	94	0.00
15	B₁	2251	2251	232.93
16	B₁	2227	2227	24.68
17	B₁	970	970	77.33
18	B₁	605	605	9.54
19	B₁	321	321	20.14
20	B₁	111	111	0.05
21	B₂	2247	2247	79.05
22	B₂	2237	2237	93.54
23	B₂	966	966	37.78
24	B₂	897	897	329.76
25	B₂	731	731	291.38
26	B₂	468	468	8.17
27	B₂	440	440	16.98

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.900
Si2	0.000	1.932	-0.422
Si3	0.000	-1.932	-0.422
H4	1.197	0.000	1.772
H5	-1.197	0.000	1.772
H6	0.000	3.150	0.415
H7	0.000	-3.150	0.415
H8	1.199	1.952	-1.286
H9	-1.199	1.952	-1.286
H10	-1.199	-1.952	-1.286
H11	1.199	-1.952	-1.286

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3410	2.3410	1.4810	1.4810	3.1870	3.1870	3.1663	3.1663	3.1663	3.1663
Si2	2.3410		3.8637	3.1589	3.1589	1.4778	5.1501	1.4781	1.4781	4.1553	4.1553
Si3	2.3410	3.8637		3.1589	3.1589	5.1501	1.4778	4.1553	4.1553	1.4781	1.4781
H4	1.4810	3.1589	3.1589		2.3944	3.6326	3.6326	3.6273	4.3475	4.3475	3.6273
H5	1.4810	3.1589	3.1589	2.3944		3.6326	3.6326	4.3475	3.6273	3.6273	4.3475
H6	3.1870	1.4778	5.1501	3.6326	3.6326		6.2996	2.4012	2.4012	5.5096	5.5096
H7	3.1870	5.1501	1.4778	3.6326	3.6326	6.2996		5.5096	5.5096	2.4012	2.4012
H8	3.1663	1.4781	4.1553	3.6273	4.3475	2.4012	5.5096		2.3987	4.5816	3.9035
H9	3.1663	1.4781	4.1553	4.3475	3.6273	2.4012	5.5096	2.3987		3.9035	4.5816
H10	3.1663	4.1553	1.4781	4.3475	3.6273	5.5096	2.4012	4.5816	3.9035		2.3987
H11	3.1663	4.1553	1.4781	3.6273	4.3475	5.5096	2.4012	3.9035	4.5816	2.3987

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.116	S1	S2	H8	109.943
S1	S2	H9	109.943	S1	S3	H7	111.116
S1	S3	H10	109.943	S1	S3	H11	109.943
S2	S1	S3	111.225	S2	S1	H4	109.418
S2	S1	H5	109.418	S3	S1	H4	109.418
S3	S1	H5	109.418	H4	S1	H5	107.878
H6	S2	H8	108.653	H6	S2	H9	108.653
H7	S3	H10	108.653	H7	S3	H11	108.653
H8	S2	H9	108.475	H10	S3	H11	108.475

All results from a given calculation for Si₃H₈ (trisilane)

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

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)