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	hartrees
Energy at 0K	-871.943743
Energy at 298.15K	-871.951498
HF Energy	-871.489793
Nuclear repulsion energy	192.443082

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2250	2143	124.35
2	A₁	2243	2136	32.47
3	A₁	2223	2117	71.99
4	A₁	977	930	76.36
5	A₁	954	909	4.92
6	A₁	917	873	202.79
7	A₁	579	551	6.78
8	A₁	395	376	0.60
9	A₁	97	92	1.50
10	A₂	2245	2138	0.00
11	A₂	968	922	0.00
12	A₂	720	686	0.00
13	A₂	427	407	0.00
14	A₂	88	83	0.00
15	B₁	2250	2143	244.99
16	B₁	2230	2124	20.90
17	B₁	972	926	82.14
18	B₁	610	580	9.68
19	B₁	324	308	22.07
20	B₁	103	98	0.07
21	B₂	2249	2141	97.81
22	B₂	2238	2131	82.22
23	B₂	969	922	38.27
24	B₂	905	862	334.65
25	B₂	738	703	297.21
26	B₂	473	450	9.08
27	B₂	445	424	19.48

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.908
Si2	0.000	1.936	-0.426
Si3	0.000	-1.936	-0.426
H4	1.200	0.000	1.781
H5	-1.200	0.000	1.781
H6	0.000	3.160	0.408
H7	0.000	-3.160	0.408
H8	1.202	1.952	-1.292
H9	-1.202	1.952	-1.292
H10	-1.202	-1.952	-1.292
H11	1.202	-1.952	-1.292

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3512	2.3512	1.4843	1.4843	3.1995	3.1995	3.1771	3.1771	3.1771	3.1771
Si2	2.3512		3.8725	3.1719	3.1719	1.4811	5.1642	1.4817	1.4817	4.1608	4.1608
Si3	2.3512	3.8725		3.1719	3.1719	5.1642	1.4811	4.1608	4.1608	1.4817	1.4817
H4	1.4843	3.1719	3.1719		2.4003	3.6487	3.6487	3.6404	4.3617	4.3617	3.6404
H5	1.4843	3.1719	3.1719	2.4003		3.6487	3.6487	4.3617	3.6404	3.6404	4.3617
H6	3.1995	1.4811	5.1642	3.6487	3.6487		6.3204	2.4073	2.4073	5.5198	5.5198
H7	3.1995	5.1642	1.4811	3.6487	3.6487	6.3204		5.5198	5.5198	2.4073	2.4073
H8	3.1771	1.4817	4.1608	3.6404	4.3617	2.4073	5.5198		2.4048	4.5849	3.9036
H9	3.1771	1.4817	4.1608	4.3617	3.6404	2.4073	5.5198	2.4048		3.9036	4.5849
H10	3.1771	4.1608	1.4817	4.3617	3.6404	5.5198	2.4073	4.5849	3.9036		2.4048
H11	3.1771	4.1608	1.4817	3.6404	4.3617	5.5198	2.4073	3.9036	4.5849	2.4048

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.166	S1	S2	H8	109.885
S1	S2	H9	109.885	S1	S3	H7	111.166
S1	S3	H10	109.885	S1	S3	H11	109.885
S2	S1	S3	110.872	S2	S1	H4	109.499
S2	S1	H5	109.499	S3	S1	H4	109.499
S3	S1	H5	109.499	H4	S1	H5	107.918
H6	S2	H8	108.681	H6	S2	H9	108.681
H7	S3	H10	108.681	H7	S3	H11	108.681
H8	S2	H9	108.484	H10	S3	H11	108.484

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: CCD/cc-pV(T+d)Z

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: CCD/cc-pV(T+d)Z

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)