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	hartrees
Energy at 0K	-873.220698
Energy at 298.15K	-873.228583
HF Energy	-873.220698
Nuclear repulsion energy	193.324442

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2222	2122	131.19
2	A₁	2213	2113	3.02
3	A₁	2201	2102	54.13
4	A₁	967	924	60.06
5	A₁	944	902	7.35
6	A₁	907	867	198.37
7	A₁	582	556	7.78
8	A₁	391	374	0.63
9	A₁	100	95	1.66
10	A₂	2220	2121	0.00
11	A₂	967	924	0.00
12	A₂	734	701	0.00
13	A₂	436	416	0.00
14	A₂	121	116	0.00
15	B₁	2226	2126	223.50
16	B₁	2210	2111	4.49
17	B₁	972	928	70.14
18	B₁	613	585	9.13
19	B₁	326	311	17.43
20	B₁	135	129	0.01
21	B₂	2220	2120	53.76
22	B₂	2208	2109	111.04
23	B₂	959	916	39.80
24	B₂	901	860	292.43
25	B₂	742	709	332.10
26	B₂	472	451	9.50
27	B₂	451	430	4.46

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.913
Si2	0.000	1.918	-0.428
Si3	0.000	-1.918	-0.428
H4	1.201	0.000	1.784
H5	-1.201	0.000	1.784
H6	0.000	3.149	0.395
H7	0.000	-3.149	0.395
H8	1.202	1.921	-1.292
H9	-1.202	1.921	-1.292
H10	-1.202	-1.921	-1.292
H11	1.202	-1.921	-1.292

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3403	2.3403	1.4831	1.4831	3.1910	3.1910	3.1621	3.1621	3.1621	3.1621
Si2	2.3403		3.8366	3.1640	3.1640	1.4802	5.1334	1.4808	1.4808	4.1150	4.1150
Si3	2.3403	3.8366		3.1640	3.1640	5.1334	1.4802	4.1150	4.1150	1.4808	1.4808
H4	1.4831	3.1640	3.1640		2.4011	3.6447	3.6447	3.6265	4.3502	4.3502	3.6265
H5	1.4831	3.1640	3.1640	2.4011		3.6447	3.6447	4.3502	3.6265	3.6265	4.3502
H6	3.1910	1.4802	5.1334	3.6447	3.6447		6.2975	2.4083	2.4083	5.4768	5.4768
H7	3.1910	5.1334	1.4802	3.6447	3.6447	6.2975		5.4768	5.4768	2.4083	2.4083
H8	3.1621	1.4808	4.1150	3.6265	4.3502	2.4083	5.4768		2.4043	4.5323	3.8421
H9	3.1621	1.4808	4.1150	4.3502	3.6265	2.4083	5.4768	2.4043		3.8421	4.5323
H10	3.1621	4.1150	1.4808	4.3502	3.6265	5.4768	2.4083	4.5323	3.8421		2.4043
H11	3.1621	4.1150	1.4808	3.6265	4.3502	5.4768	2.4083	3.8421	4.5323	2.4043

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.284	S1	S2	H8	109.633
S1	S2	H9	109.633	S1	S3	H7	111.284
S1	S3	H10	109.633	S1	S3	H11	109.633
S2	S1	S3	110.108	S2	S1	H4	109.651
S2	S1	H5	109.651	S3	S1	H4	109.651
S3	S1	H5	109.651	H4	S1	H5	108.097
H6	S2	H8	108.847	H6	S2	H9	108.847
H7	S3	H10	108.847	H7	S3	H11	108.847
H8	S2	H9	108.544	H10	S3	H11	108.544

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: M06-2X/cc-pVTZ

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	-0.034
2	Si	0.018
3	Si	0.018
4	H	0.005
5	H	0.005
6	H	-0.003
7	H	-0.003
8	H	-0.002
9	H	-0.002
10	H	-0.002
11	H	-0.002

<r²>	205.457
(<r²>)^1/2	14.334

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: M06-2X/cc-pVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)