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	hartrees
Energy at 0K	-868.180928
Energy at 298.15K	-868.188447
HF Energy	-868.115931
Nuclear repulsion energy	190.847097

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2210	2104	151.62
2	A₁	2197	2092	4.97
3	A₁	2183	2078	76.09
4	A₁	952	906	74.91
5	A₁	921	877	4.65
6	A₁	875	833	193.39
7	A₁	566	539	9.20
8	A₁	365	347	0.25
9	A₁	104	99	1.38
10	A₂	2207	2101	0.00
11	A₂	944	898	0.00
12	A₂	723	688	0.00
13	A₂	439	418	0.00
14	A₂	66	63	0.00
15	B₁	2213	2107	261.15
16	B₁	2197	2091	5.85
17	B₁	948	903	80.60
18	B₁	590	562	11.48
19	B₁	306	291	19.62
20	B₁	86	82	0.01
21	B₂	2208	2102	66.66
22	B₂	2191	2086	121.16
23	B₂	947	902	39.93
24	B₂	861	819	312.95
25	B₂	711	676	274.64
26	B₂	457	435	22.07
27	B₂	425	404	2.66

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.932
Si2	0.000	1.941	-0.436
Si3	0.000	-1.941	-0.436
H4	1.217	0.000	1.806
H5	-1.217	0.000	1.806
H6	0.000	3.191	0.389
H7	0.000	-3.191	0.389
H8	1.214	1.934	-1.310
H9	-1.214	1.934	-1.310
H10	-1.214	-1.934	-1.310
H11	1.214	-1.934	-1.310

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3747	2.3747	1.4982	1.4982	3.2364	3.2364	3.2004	3.2004	3.2004	3.2004
Si2	2.3747		3.8828	3.2055	3.2055	1.4965	5.1977	1.4966	1.4966	4.1543	4.1543
Si3	2.3747	3.8828		3.2055	3.2055	5.1977	1.4965	4.1543	4.1543	1.4966	1.4966
H4	1.4982	3.2055	3.2055		2.4333	3.6972	3.6972	3.6680	4.4004	4.4004	3.6680
H5	1.4982	3.2055	3.2055	2.4333		3.6972	3.6972	4.4004	3.6680	3.6680	4.4004
H6	3.2364	1.4965	5.1977	3.6972	3.6972		6.3810	2.4372	2.4372	5.5336	5.5336
H7	3.2364	5.1977	1.4965	3.6972	3.6972	6.3810		5.5336	5.5336	2.4372	2.4372
H8	3.2004	1.4966	4.1543	3.6680	4.4004	2.4372	5.5336		2.4285	4.5671	3.8679
H9	3.2004	1.4966	4.1543	4.4004	3.6680	2.4372	5.5336	2.4285		3.8679	4.5671
H10	3.2004	4.1543	1.4966	4.4004	3.6680	5.5336	2.4372	4.5671	3.8679		2.4285
H11	3.2004	4.1543	1.4966	3.6680	4.4004	5.5336	2.4372	3.8679	4.5671	2.4285

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.422	S1	S2	H8	109.423
S1	S2	H9	109.423	S1	S3	H7	111.422
S1	S3	H10	109.423	S1	S3	H11	109.423
S2	S1	S3	109.679	S2	S1	H4	109.638
S2	S1	H5	109.638	S3	S1	H4	109.638
S3	S1	H5	109.638	H4	S1	H5	108.592
H6	S2	H8	109.032	H6	S2	H9	109.032
H7	S3	H10	109.032	H7	S3	H11	109.032
H8	S2	H9	108.454	H10	S3	H11	108.454

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B2PLYP=FULL/3-21G

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/3-21G

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)