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	hartrees
Energy at 0K	-871.442399
Energy at 298.15K	-871.449976
HF Energy	-871.264717
Nuclear repulsion energy	189.527191

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2222	2145	137.80
2	A₁	2213	2137	4.57
3	A₁	2197	2121	72.94
4	A₁	970	936	94.13
5	A₁	937	904	0.05
6	A₁	898	867	210.16
7	A₁	577	557	10.38
8	A₁	358	346	0.23
9	A₁	104	100	1.46
10	A₂	2220	2143	0.00
11	A₂	960	927	0.00
12	A₂	730	705	0.00
13	A₂	442	426	0.00
14	A₂	75	73	0.00
15	B₁	2225	2148	224.47
16	B₁	2210	2133	10.07
17	B₁	964	931	94.89
18	B₁	608	587	11.43
19	B₁	312	301	22.79
20	B₁	89	86	0.02
21	B₂	2222	2144	52.08
22	B₂	2208	2131	121.88
23	B₂	963	930	38.48
24	B₂	886	855	359.29
25	B₂	731	705	323.41
26	B₂	460	444	26.32
27	B₂	426	411	1.72

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.914
Si2	0.000	1.978	-0.430
Si3	0.000	-1.978	-0.430
H4	1.216	0.000	1.789
H5	-1.216	0.000	1.789
H6	0.000	3.200	0.431
H7	0.000	-3.200	0.431
H8	1.216	1.989	-1.301
H9	-1.216	1.989	-1.301
H10	-1.216	-1.989	-1.301
H11	1.216	-1.989	-1.301

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3911	2.3911	1.4978	1.4978	3.2366	3.2366	3.2156	3.2156	3.2156	3.2156
Si2	2.3911		3.9554	3.2111	3.2111	1.4956	5.2493	1.4958	1.4958	4.2392	4.2392
Si3	2.3911	3.9554		3.2111	3.2111	5.2493	1.4956	4.2392	4.2392	1.4958	1.4958
H4	1.4978	3.2111	3.2111		2.4322	3.6829	3.6829	3.6741	4.4062	4.4062	3.6741
H5	1.4978	3.2111	3.2111	2.4322		3.6829	3.6829	4.4062	3.6741	3.6741	4.4062
H6	3.2366	1.4956	5.2493	3.6829	3.6829		6.4009	2.4386	2.4386	5.6042	5.6042
H7	3.2366	5.2493	1.4956	3.6829	3.6829	6.4009		5.6042	5.6042	2.4386	2.4386
H8	3.2156	1.4958	4.2392	3.6741	4.4062	2.4386	5.6042		2.4322	4.6623	3.9777
H9	3.2156	1.4958	4.2392	4.4062	3.6741	2.4386	5.6042	2.4322		3.9777	4.6623
H10	3.2156	4.2392	1.4958	4.4062	3.6741	5.6042	2.4386	4.6623	3.9777		2.4322
H11	3.2156	4.2392	1.4958	3.6741	4.4062	5.6042	2.4386	3.9777	4.6623	2.4322

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.644	S1	S2	H8	109.475
S1	S2	H9	109.475	S1	S3	H7	110.644
S1	S3	H10	109.475	S1	S3	H11	109.475
S2	S1	S3	111.604	S2	S1	H4	109.155
S2	S1	H5	109.155	S3	S1	H4	109.155
S3	S1	H5	109.155	H4	S1	H5	108.565
H6	S2	H8	109.218	H6	S2	H9	109.218
H7	S3	H10	109.218	H7	S3	H11	109.218
H8	S2	H9	108.779	H10	S3	H11	108.779

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP2/SDD

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: MP2/SDD

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)