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	hartrees
Energy at 0K	-873.321066
Energy at 298.15K	-873.328455
HF Energy	-873.321066
Nuclear repulsion energy	192.047573

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2159	2159	144.08
2	A₁	2147	2147	10.00
3	A₁	2125	2125	68.28
4	A₁	930	930	64.00
5	A₁	905	905	0.63
6	A₁	869	869	176.63
7	A₁	550	550	4.73
8	A₁	373	373	0.47
9	A₁	93	93	1.18
10	A₂	2157	2157	0.00
11	A₂	922	922	0.00
12	A₂	687	687	0.00
13	A₂	405	405	0.00
14	A₂	48	48	0.00
15	B₁	2163	2163	237.80
16	B₁	2137	2137	24.56
17	B₁	927	927	65.77
18	B₁	578	578	8.26
19	B₁	302	302	16.80
20	B₁	81	81	0.02
21	B₂	2158	2158	69.61
22	B₂	2143	2143	108.82
23	B₂	923	923	36.13
24	B₂	855	855	300.05
25	B₂	696	696	262.78
26	B₂	446	446	7.66
27	B₂	417	417	12.87

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.915
Si2	0.000	1.933	-0.429
Si3	0.000	-1.933	-0.429
H4	1.208	0.000	1.794
H5	-1.208	0.000	1.794
H6	0.000	3.173	0.399
H7	0.000	-3.173	0.399
H8	1.209	1.941	-1.300
H9	-1.209	1.941	-1.300
H10	-1.209	-1.941	-1.300
H11	1.209	-1.941	-1.300

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3541	2.3541	1.4938	1.4938	3.2148	3.2148	3.1843	3.1843	3.1843	3.1843
Si2	2.3541		3.8657	3.1836	3.1836	1.4909	5.1726	1.4909	1.4909	4.1510	4.1510
Si3	2.3541	3.8657		3.1836	3.1836	5.1726	1.4909	4.1510	4.1510	1.4909	1.4909
H4	1.4938	3.1836	3.1836		2.4159	3.6707	3.6707	3.6529	4.3803	4.3803	3.6529
H5	1.4938	3.1836	3.1836	2.4159		3.6707	3.6707	4.3803	3.6529	3.6529	4.3803
H6	3.2148	1.4909	5.1726	3.6707	3.6707		6.3461	2.4224	2.4224	5.5231	5.5231
H7	3.2148	5.1726	1.4909	3.6707	3.6707	6.3461		5.5231	5.5231	2.4224	2.4224
H8	3.1843	1.4909	4.1510	3.6529	4.3803	2.4224	5.5231		2.4188	4.5741	3.8822
H9	3.1843	1.4909	4.1510	4.3803	3.6529	2.4224	5.5231	2.4188		3.8822	4.5741
H10	3.1843	4.1510	1.4909	4.3803	3.6529	5.5231	2.4224	4.5741	3.8822		2.4188
H11	3.1843	4.1510	1.4909	3.6529	4.3803	5.5231	2.4224	3.8822	4.5741	2.4188

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.479	S1	S2	H8	109.776
S1	S2	H9	109.776	S1	S3	H7	111.479
S1	S3	H10	109.776	S1	S3	H11	109.776
S2	S1	S3	110.380	S2	S1	H4	109.623
S2	S1	H5	109.623	S3	S1	H4	109.623
S3	S1	H5	109.623	H4	S1	H5	107.930
H6	S2	H8	108.660	H6	S2	H9	108.660
H7	S3	H10	108.660	H7	S3	H11	108.660
H8	S2	H9	108.423	H10	S3	H11	108.423

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B97D3/cc-pCVTZ

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	0.079
2	Si	0.094
3	Si	0.094
4	H	-0.038
5	H	-0.038
6	H	-0.031
7	H	-0.031
8	H	-0.032
9	H	-0.032
10	H	-0.032
11	H	-0.032

<r²>	208.041
(<r²>)^1/2	14.424

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: B97D3/cc-pCVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)