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	hartrees
Energy at 0K	-871.714011
Energy at 298.15K	-871.721888
HF Energy	-871.442817
Nuclear repulsion energy	192.561645

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2262	2093	100.34
2	A₁	2259	2091	83.33
3	A₁	2234	2067	85.37
4	A₁	986	913	76.64
5	A₁	966	894	32.23
6	A₁	933	863	212.61
7	A₁	602	557	10.69
8	A₁	401	371	0.96
9	A₁	104	96	1.99
10	A₂	2257	2088	0.00
11	A₂	976	903	0.00
12	A₂	746	690	0.00
13	A₂	451	417	0.00
14	A₂	85	79	0.00
15	B₁	2262	2093	280.94
16	B₁	2239	2072	33.85
17	B₁	980	906	95.96
18	B₁	633	585	13.80
19	B₁	343	317	31.11
20	B₁	105	97	0.12
21	B₂	2260	2091	115.53
22	B₂	2253	2085	82.95
23	B₂	977	904	35.30
24	B₂	927	858	357.94
25	B₂	769	712	350.50
26	B₂	484	448	15.44
27	B₂	466	431	18.82

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.890
Si2	0.000	1.944	-0.419
Si3	0.000	-1.944	-0.419
H4	1.202	0.000	1.766
H5	-1.202	0.000	1.766
H6	0.000	3.155	0.438
H7	0.000	-3.155	0.438
H8	1.204	1.975	-1.286
H9	-1.204	1.975	-1.286
H10	-1.204	-1.975	-1.286
H11	1.204	-1.975	-1.286

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3432	2.3432	1.4872	1.4872	3.1877	3.1877	3.1757	3.1757	3.1757	3.1757
Si2	2.3432		3.8875	3.1617	3.1617	1.4838	5.1706	1.4843	1.4843	4.1903	4.1903
Si3	2.3432	3.8875		3.1617	3.1617	5.1706	1.4838	4.1903	4.1903	1.4843	1.4843
H4	1.4872	3.1617	3.1617		2.4032	3.6285	3.6285	3.6356	4.3594	4.3594	3.6356
H5	1.4872	3.1617	3.1617	2.4032		3.6285	3.6285	4.3594	3.6356	3.6356	4.3594
H6	3.1877	1.4838	5.1706	3.6285	3.6285		6.3109	2.4113	2.4113	5.5446	5.5446
H7	3.1877	5.1706	1.4838	3.6285	3.6285	6.3109		5.5446	5.5446	2.4113	2.4113
H8	3.1757	1.4843	4.1903	3.6356	4.3594	2.4113	5.5446		2.4082	4.6262	3.9500
H9	3.1757	1.4843	4.1903	4.3594	3.6356	2.4113	5.5446	2.4082		3.9500	4.6262
H10	3.1757	4.1903	1.4843	4.3594	3.6356	5.5446	2.4113	4.6262	3.9500		2.4082
H11	3.1757	4.1903	1.4843	3.6356	4.3594	5.5446	2.4113	3.9500	4.6262	2.4082

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.799	S1	S2	H8	110.109
S1	S2	H9	110.109	S1	S3	H7	110.799
S1	S3	H10	110.109	S1	S3	H11	110.109
S2	S1	S3	112.100	S2	S1	H4	109.213
S2	S1	H5	109.213	S3	S1	H4	109.213
S3	S1	H5	109.213	H4	S1	H5	107.791
H6	S2	H8	108.667	H6	S2	H9	108.667
H7	S3	H10	108.667	H7	S3	H11	108.667
H8	S2	H9	108.433	H10	S3	H11	108.433

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: CISD/6-311G*

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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All results from a given calculation for Si3H8 (trisilane)

using model chemistry: CISD/6-311G*

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)