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	hartrees
Energy at 0K	-873.364452
Energy at 298.15K	-873.371852
HF Energy	-873.364452
Nuclear repulsion energy	193.058671

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2227	2131	143.68
2	A₁	2217	2122	6.06
3	A₁	2197	2102	59.64
4	A₁	944	904	70.99
5	A₁	918	879	0.00
6	A₁	876	838	170.95
7	A₁	555	531	4.82
8	A₁	388	371	0.56
9	A₁	92	88	1.25
10	A₂	2225	2130	0.00
11	A₂	933	893	0.00
12	A₂	696	666	0.00
13	A₂	403	386	0.00
14	A₂	44	42	0.00
15	B₁	2231	2135	221.25
16	B₁	2206	2111	21.05
17	B₁	938	898	67.67
18	B₁	582	557	8.87
19	B₁	302	289	16.62
20	B₁	67	64	0.11
21	B₂	2225	2130	55.59
22	B₂	2212	2117	109.36
23	B₂	938	898	30.87
24	B₂	861	824	310.98
25	B₂	699	669	274.95
26	B₂	466	446	4.39
27	B₂	422	404	20.77

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.890
Si2	0.000	1.935	-0.419
Si3	0.000	-1.935	-0.419
H4	1.201	0.000	1.767
H5	-1.201	0.000	1.767
H6	0.000	3.149	0.434
H7	0.000	-3.149	0.434
H8	1.204	1.965	-1.286
H9	-1.204	1.965	-1.286
H10	-1.204	-1.965	-1.286
H11	1.204	-1.965	-1.286

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3357	2.3357	1.4871	1.4871	3.1823	3.1823	3.1693	3.1693	3.1693	3.1693
Si2	2.3357		3.8694	3.1564	3.1564	1.4842	5.1552	1.4841	1.4841	4.1725	4.1725
Si3	2.3357	3.8694		3.1564	3.1564	5.1552	1.4842	4.1725	4.1725	1.4841	1.4841
H4	1.4871	3.1564	3.1564		2.4020	3.6247	3.6247	3.6304	4.3548	4.3548	3.6304
H5	1.4871	3.1564	3.1564	2.4020		3.6247	3.6247	4.3548	3.6304	3.6304	4.3548
H6	3.1823	1.4842	5.1552	3.6247	3.6247		6.2990	2.4104	2.4104	5.5286	5.5286
H7	3.1823	5.1552	1.4842	3.6247	3.6247	6.2990		5.5286	5.5286	2.4104	2.4104
H8	3.1693	1.4841	4.1725	3.6304	4.3548	2.4104	5.5286		2.4084	4.6094	3.9301
H9	3.1693	1.4841	4.1725	4.3548	3.6304	2.4104	5.5286	2.4084		3.9301	4.6094
H10	3.1693	4.1725	1.4841	4.3548	3.6304	5.5286	2.4104	4.6094	3.9301		2.4084
H11	3.1693	4.1725	1.4841	3.6304	4.3548	5.5286	2.4104	3.9301	4.6094	2.4084

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.861	S1	S2	H8	110.135
S1	S2	H9	110.135	S1	S3	H7	110.861
S1	S3	H10	110.135	S1	S3	H11	110.135
S2	S1	S3	111.851	S2	S1	H4	109.295
S2	S1	H5	109.295	S3	S1	H4	109.295
S3	S1	H5	109.295	H4	S1	H5	107.720
H6	S2	H8	108.592	H6	S2	H9	108.592
H7	S3	H10	108.592	H7	S3	H11	108.592
H8	S2	H9	108.465	H10	S3	H11	108.465

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B1B95/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	-0.005
2	Si	0.017
3	Si	0.017
4	H	-0.005
5	H	-0.005
6	H	-0.003
7	H	-0.003
8	H	-0.003
9	H	-0.003
10	H	-0.003
11	H	-0.003

<r²>	206.926
(<r²>)^1/2	14.385

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: B1B95/cc-pVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)