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	hartrees
Energy at 0K	-871.939662
Energy at 298.15K	-871.947385
HF Energy	-871.482330
Nuclear repulsion energy	192.159650

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2247	2115	126.30
2	A₁	2239	2107	28.13
3	A₁	2218	2088	72.99
4	A₁	971	914	74.65
5	A₁	949	893	3.75
6	A₁	911	857	197.69
7	A₁	576	542	6.60
8	A₁	394	371	0.59
9	A₁	96	91	1.47
10	A₂	2242	2110	0.00
11	A₂	963	906	0.00
12	A₂	717	675	0.00
13	A₂	426	401	0.00
14	A₂	86	81	0.00
15	B₁	2247	2115	241.89
16	B₁	2226	2095	23.12
17	B₁	967	910	79.36
18	B₁	606	571	9.50
19	B₁	322	303	21.45
20	B₁	101	95	0.06
21	B₂	2245	2113	92.70
22	B₂	2234	2103	84.69
23	B₂	963	907	36.94
24	B₂	899	846	326.55
25	B₂	734	691	294.55
26	B₂	472	444	7.80
27	B₂	443	417	19.81

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.908
Si2	0.000	1.939	-0.426
Si3	0.000	-1.939	-0.426
H4	1.203	0.000	1.784
H5	-1.203	0.000	1.784
H6	0.000	3.165	0.412
H7	0.000	-3.165	0.412
H8	1.205	1.957	-1.294
H9	-1.205	1.957	-1.294
H10	-1.205	-1.957	-1.294
H11	1.205	-1.957	-1.294

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3535	2.3535	1.4878	1.4878	3.2036	3.2036	3.1823	3.1823	3.1823	3.1823
Si2	2.3535		3.8787	3.1763	3.1763	1.4845	5.1726	1.4852	1.4852	4.1695	4.1695
Si3	2.3535	3.8787		3.1763	3.1763	5.1726	1.4845	4.1695	4.1695	1.4852	1.4852
H4	1.4878	3.1763	3.1763		2.4054	3.6531	3.6531	3.6467	4.3698	4.3698	3.6467
H5	1.4878	3.1763	3.1763	2.4054		3.6531	3.6531	4.3698	3.6467	3.6467	4.3698
H6	3.2036	1.4845	5.1726	3.6531	3.6531		6.3299	2.4127	2.4127	5.5311	5.5311
H7	3.2036	5.1726	1.4845	3.6531	3.6531	6.3299		5.5311	5.5311	2.4127	2.4127
H8	3.1823	1.4852	4.1695	3.6467	4.3698	2.4127	5.5311		2.4100	4.5960	3.9134
H9	3.1823	1.4852	4.1695	4.3698	3.6467	2.4127	5.5311	2.4100		3.9134	4.5960
H10	3.1823	4.1695	1.4852	4.3698	3.6467	5.5311	2.4127	4.5960	3.9134		2.4100
H11	3.1823	4.1695	1.4852	3.6467	4.3698	5.5311	2.4127	3.9134	4.5960	2.4100

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.138	S1	S2	H8	109.922
S1	S2	H9	109.922	S1	S3	H7	111.138
S1	S3	H10	109.922	S1	S3	H11	109.922
S2	S1	S3	110.978	S2	S1	H4	109.484
S2	S1	H5	109.484	S3	S1	H4	109.484
S3	S1	H5	109.484	H4	S1	H5	107.870
H6	S2	H8	108.670	H6	S2	H9	108.670
H7	S3	H10	108.670	H7	S3	H11	108.670
H8	S2	H9	108.460	H10	S3	H11	108.460

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: CCSD/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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All results from a given calculation for Si3H8 (trisilane)

using model chemistry: CCSD/cc-pVTZ

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)