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	hartrees
Energy at 0K	-873.127776
Energy at 298.15K	-873.135790
HF Energy	-873.127776
Nuclear repulsion energy	193.349825

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2248	2137	171.32
2	A₁	2237	2126	2.21
3	A₁	2225	2114	69.67
4	A₁	972	924	60.95
5	A₁	948	901	10.95
6	A₁	913	868	206.67
7	A₁	590	561	9.95
8	A₁	398	378	0.79
9	A₁	104	99	1.71
10	A₂	2247	2136	0.00
11	A₂	973	925	0.00
12	A₂	746	709	0.00
13	A₂	453	431	0.00
14	A₂	147	139	0.00
15	B₁	2253	2141	290.44
16	B₁	2236	2125	8.72
17	B₁	978	929	77.43
18	B₁	622	591	10.73
19	B₁	337	321	19.54
20	B₁	161	153	0.00
21	B₂	2246	2135	65.42
22	B₂	2231	2120	129.20
23	B₂	963	915	43.30
24	B₂	908	863	286.71
25	B₂	755	717	355.32
26	B₂	481	457	11.30
27	B₂	462	439	3.77

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.909
Si2	0.000	1.918	-0.426
Si3	0.000	-1.918	-0.426
H4	1.201	0.000	1.784
H5	-1.201	0.000	1.784
H6	0.000	3.151	0.399
H7	0.000	-3.151	0.399
H8	1.204	1.925	-1.294
H9	-1.204	1.925	-1.294
H10	-1.204	-1.925	-1.294
H11	1.204	-1.925	-1.294

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3369	2.3369	1.4861	1.4861	3.1923	3.1923	3.1632	3.1632	3.1632	3.1632
Si2	2.3369		3.8364	3.1633	3.1633	1.4833	5.1361	1.4840	1.4840	4.1194	4.1194
Si3	2.3369	3.8364		3.1633	3.1633	5.1361	1.4833	4.1194	4.1194	1.4840	1.4840
H4	1.4861	3.1633	3.1633		2.4020	3.6459	3.6459	3.6304	4.3545	4.3545	3.6304
H5	1.4861	3.1633	3.1633	2.4020		3.6459	3.6459	4.3545	3.6304	3.6304	4.3545
H6	3.1923	1.4833	5.1361	3.6459	3.6459		6.3025	2.4121	2.4121	5.4844	5.4844
H7	3.1923	5.1361	1.4833	3.6459	3.6459	6.3025		5.4844	5.4844	2.4121	2.4121
H8	3.1632	1.4840	4.1194	3.6304	4.3545	2.4121	5.4844		2.4070	4.5399	3.8492
H9	3.1632	1.4840	4.1194	4.3545	3.6304	2.4121	5.4844	2.4070		3.8492	4.5399
H10	3.1632	4.1194	1.4840	4.3545	3.6304	5.4844	2.4121	4.5399	3.8492		2.4070
H11	3.1632	4.1194	1.4840	3.6304	4.3545	5.4844	2.4121	3.8492	4.5399	2.4070

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.398	S1	S2	H8	109.737
S1	S2	H9	109.737	S1	S3	H7	111.398
S1	S3	H10	109.737	S1	S3	H11	109.737
S2	S1	S3	110.335	S2	S1	H4	109.658
S2	S1	H5	109.658	S3	S1	H4	109.658
S3	S1	H5	109.658	H4	S1	H5	107.834
H6	S2	H8	108.760	H6	S2	H9	108.760
H7	S3	H10	108.760	H7	S3	H11	108.760
H8	S2	H9	108.385	H10	S3	H11	108.385

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: M06-2X/6-31G**

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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Number	Element	Mulliken
1	Si	0.077
2	Si	0.269
3	Si	0.269
4	H	-0.068
5	H	-0.068
6	H	-0.079
7	H	-0.079
8	H	-0.081
9	H	-0.081
10	H	-0.081
11	H	-0.081

<r²>	205.152
(<r²>)^1/2	14.323

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: M06-2X/6-31G**

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)