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	hartrees
Energy at 0K	-867.341309
Energy at 298.15K	-867.349194
HF Energy	-867.073258
Nuclear repulsion energy	193.814134

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2332	2179	147.07
2	A₁	2325	2173	11.14
3	A₁	2304	2153	80.08
4	A₁	994	928	74.87
5	A₁	972	909	14.47
6	A₁	939	877	210.35
7	A₁	603	564	8.77
8	A₁	417	390	0.72
9	A₁	105	98	1.59
10	A₂	2329	2176	0.00
11	A₂	984	920	0.00
12	A₂	755	705	0.00
13	A₂	450	421	0.00
14	A₂	84	78	0.00
15	B₁	2333	2180	242.78
16	B₁	2313	2161	25.81
17	B₁	988	923	91.05
18	B₁	632	591	11.62
19	B₁	328	307	22.49
20	B₁	103	96	0.02
21	B₂	2330	2178	69.63
22	B₂	2319	2167	115.78
23	B₂	986	921	37.43
24	B₂	931	870	343.24
25	B₂	768	718	294.55
26	B₂	497	465	6.03
27	B₂	467	437	22.38

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.900
Si2	0.000	1.915	-0.422
Si3	0.000	-1.915	-0.422
H4	1.203	0.000	1.775
H5	-1.203	0.000	1.775
H6	0.000	3.144	0.411
H7	0.000	-3.144	0.411
H8	1.203	1.928	-1.291
H9	-1.203	1.928	-1.291
H10	-1.203	-1.928	-1.291
H11	1.203	-1.928	-1.291

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3271	2.3271	1.4873	1.4873	3.1818	3.1818	3.1568	3.1568	3.1568	3.1568
Si2	2.3271		3.8307	3.1528	3.1528	1.4844	5.1275	1.4846	1.4846	4.1199	4.1199
Si3	2.3271	3.8307		3.1528	3.1528	5.1275	1.4844	4.1199	4.1199	1.4846	1.4846
H4	1.4873	3.1528	3.1528		2.4055	3.6319	3.6319	3.6217	4.3481	4.3481	3.6217
H5	1.4873	3.1528	3.1528	2.4055		3.6319	3.6319	4.3481	3.6217	3.6217	4.3481
H6	3.1818	1.4844	5.1275	3.6319	3.6319		6.2880	2.4136	2.4136	5.4836	5.4836
H7	3.1818	5.1275	1.4844	3.6319	3.6319	6.2880		5.4836	5.4836	2.4136	2.4136
H8	3.1568	1.4846	4.1199	3.6217	4.3481	2.4136	5.4836		2.4069	4.5452	3.8556
H9	3.1568	1.4846	4.1199	4.3481	3.6217	2.4136	5.4836	2.4069		3.8556	4.5452
H10	3.1568	4.1199	1.4846	4.3481	3.6217	5.4836	2.4136	4.5452	3.8556		2.4069
H11	3.1568	4.1199	1.4846	3.6217	4.3481	5.4836	2.4136	3.8556	4.5452	2.4069

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.257	S1	S2	H8	109.844
S1	S2	H9	109.844	S1	S3	H7	111.257
S1	S3	H10	109.844	S1	S3	H11	109.844
S2	S1	S3	110.786	S2	S1	H4	109.519
S2	S1	H5	109.519	S3	S1	H4	109.519
S3	S1	H5	109.519	H4	S1	H5	107.929
H6	S2	H8	108.762	H6	S2	H9	108.762
H7	S3	H10	108.762	H7	S3	H11	108.762
H8	S2	H9	108.309	H10	S3	H11	108.309

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: CISD/3-21G*

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/3-21G*

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)