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	hartrees
Energy at 0K	-16.431153
Energy at 298.15K	-16.438813
HF Energy	-16.431153
Nuclear repulsion energy	34.418491

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2233	2146	148.15
2	A₁	2216	2130	0.00
3	A₁	2205	2119	66.84
4	A₁	957	920	68.98
5	A₁	931	895	8.75
6	A₁	880	846	139.69
7	A₁	579	556	6.87
8	A₁	376	362	0.30
9	A₁	109	105	1.00
10	A₂	2234	2147	0.00
11	A₂	949	912	0.00
12	A₂	732	704	0.00
13	A₂	454	436	0.00
14	A₂	76	73	0.00
15	B₁	2239	2152	225.32
16	B₁	2219	2133	14.16
17	B₁	954	917	63.60
18	B₁	604	580	8.39
19	B₁	334	321	14.97
20	B₁	91	88	0.01
21	B₂	2232	2145	36.80
22	B₂	2210	2124	126.62
23	B₂	953	916	31.74
24	B₂	863	830	273.05
25	B₂	734	705	246.02
26	B₂	476	458	13.67
27	B₂	452	434	3.60

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.886
Si2	0.000	1.952	-0.417
Si3	0.000	-1.952	-0.417
H4	1.197	0.000	1.768
H5	-1.197	0.000	1.768
H6	0.000	3.159	0.447
H7	0.000	-3.159	0.447
H8	1.204	1.991	-1.286
H9	-1.204	1.991	-1.286
H10	-1.204	-1.991	-1.286
H11	1.204	-1.991	-1.286

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3466	2.3466	1.4868	1.4868	3.1898	3.1898	3.1825	3.1825	3.1825	3.1825
Si2	2.3466		3.9031	3.1648	3.1648	1.4853	5.1836	1.4850	1.4850	4.2128	4.2128
Si3	2.3466	3.9031		3.1648	3.1648	5.1836	1.4853	4.2128	4.2128	1.4850	1.4850
H4	1.4868	3.1648	3.1648		2.3937	3.6276	3.6276	3.6452	4.3648	4.3648	3.6452
H5	1.4868	3.1648	3.1648	2.3937		3.6276	3.6276	4.3648	3.6452	3.6452	4.3648
H6	3.1898	1.4853	5.1836	3.6276	3.6276		6.3189	2.4118	2.4118	5.5659	5.5659
H7	3.1898	5.1836	1.4853	3.6276	3.6276	6.3189		5.5659	5.5659	2.4118	2.4118
H8	3.1825	1.4850	4.2128	3.6452	4.3648	2.4118	5.5659		2.4083	4.6536	3.9820
H9	3.1825	1.4850	4.2128	4.3648	3.6452	2.4118	5.5659	2.4083		3.9820	4.6536
H10	3.1825	4.2128	1.4850	4.3648	3.6452	5.5659	2.4118	4.6536	3.9820		2.4083
H11	3.1825	4.2128	1.4850	3.6452	4.3648	5.5659	2.4118	3.9820	4.6536	2.4083

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.681	S1	S2	H8	110.288
S1	S2	H9	110.288	S1	S3	H7	110.681
S1	S3	H10	110.288	S1	S3	H11	110.288
S2	S1	S3	112.536	S2	S1	H4	109.236
S2	S1	H5	109.236	S3	S1	H4	109.236
S3	S1	H5	109.236	H4	S1	H5	107.220
H6	S2	H8	108.579	H6	S2	H9	108.579
H7	S3	H10	108.579	H7	S3	H11	108.579
H8	S2	H9	108.362	H10	S3	H11	108.362

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B3LYP/LANL2DZ

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	0.111
2	Si	0.232
3	Si	0.232
4	H	-0.065
5	H	-0.065
6	H	-0.072
7	H	-0.072
8	H	-0.075
9	H	-0.075
10	H	-0.075
11	H	-0.075

<r²>	119.666
(<r²>)^1/2	10.939

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: B3LYP/LANL2DZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)