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	hartrees
Energy at 0K	-872.207994
Energy at 298.15K	-872.215793
HF Energy	-871.488919
Nuclear repulsion energy	194.700055

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2292	2173	117.62
2	A₁	2281	2162	26.50
3	A₁	2264	2146	67.28
4	A₁	990	939	77.47
5	A₁	961	912	0.01
6	A₁	919	871	211.10
7	A₁	582	552	5.67
8	A₁	408	387	0.53
9	A₁	93	88	1.41
10	A₂	2287	2168	0.00
11	A₂	983	932	0.00
12	A₂	725	688	0.00
13	A₂	420	398	0.00
14	A₂	96	91	0.00
15	B₁	2293	2174	233.89
16	B₁	2273	2155	15.13
17	B₁	988	936	80.94
18	B₁	610	578	9.64
19	B₁	318	302	21.44
20	B₁	117	111	0.11
21	B₂	2290	2172	96.11
22	B₂	2277	2158	79.22
23	B₂	983	932	42.27
24	B₂	904	857	338.87
25	B₂	727	689	264.37
26	B₂	480	455	7.47
27	B₂	438	415	23.59

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.920
Si2	0.000	1.895	-0.429
Si3	0.000	-1.895	-0.429
H4	1.197	0.000	1.782
H5	-1.197	0.000	1.782
H6	0.000	3.132	0.370
H7	0.000	-3.132	0.370
H8	1.196	1.885	-1.289
H9	-1.196	1.885	-1.289
H10	-1.196	-1.885	-1.289
H11	1.196	-1.885	-1.289

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3259	2.3259	1.4754	1.4754	3.1794	3.1794	3.1404	3.1404	3.1404	3.1404
Si2	2.3259		3.7895	3.1487	3.1487	1.4726	5.0895	1.4731	1.4731	4.0563	4.0563
Si3	2.3259	3.7895		3.1487	3.1487	5.0895	1.4726	4.0563	4.0563	1.4731	1.4731
H4	1.4754	3.1487	3.1487		2.3936	3.6379	3.6379	3.6039	4.3259	4.3259	3.6039
H5	1.4754	3.1487	3.1487	2.3936		3.6379	3.6379	4.3259	3.6039	3.6039	4.3259
H6	3.1794	1.4726	5.0895	3.6379	3.6379		6.2631	2.3956	2.3956	5.4172	5.4172
H7	3.1794	5.0895	1.4726	3.6379	3.6379	6.2631		5.4172	5.4172	2.3956	2.3956
H8	3.1404	1.4731	4.0563	3.6039	4.3259	2.3956	5.4172		2.3919	4.4641	3.7692
H9	3.1404	1.4731	4.0563	4.3259	3.6039	2.3956	5.4172	2.3919		3.7692	4.4641
H10	3.1404	4.0563	1.4731	4.3259	3.6039	5.4172	2.3956	4.4641	3.7692		2.3919
H11	3.1404	4.0563	1.4731	3.6039	4.3259	5.4172	2.3956	3.7692	4.4641	2.3919

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.678	S1	S2	H8	109.452
S1	S2	H9	109.452	S1	S3	H7	111.678
S1	S3	H10	109.452	S1	S3	H11	109.452
S2	S1	S3	109.101	S2	S1	H4	109.826
S2	S1	H5	109.826	S3	S1	H4	109.826
S3	S1	H5	109.826	H4	S1	H5	108.423
H6	S2	H8	108.826	H6	S2	H9	108.826
H7	S3	H10	108.826	H7	S3	H11	108.826
H8	S2	H9	108.550	H10	S3	H11	108.550

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: MP2=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: MP2=FULL/cc-pV(T+d)Z

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)