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	hartrees
Energy at 0K	-871.386463
Energy at 298.15K	-871.394478
HF Energy	-871.386463
Nuclear repulsion energy	191.813533

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A₁	2373	2132	4.26	525.44	0.00	0.01
2	A₁	2368	2127	332.44	151.69	0.58	0.74
3	A₁	2342	2104	138.55	80.83	0.39	0.56
4	A₁	1044	938	98.40	9.47	0.74	0.85
5	A₁	1025	921	57.18	44.04	0.70	0.82
6	A₁	990	889	261.68	17.29	0.74	0.85
7	A₁	625	562	14.56	17.46	0.71	0.83
8	A₁	411	370	1.13	38.47	0.14	0.25
9	A₁	109	98	2.29	2.12	0.57	0.73
10	A₂	2361	2122	0.00	19.93	0.75	0.86
11	A₂	1030	926	0.00	49.81	0.75	0.86
12	A₂	779	700	0.00	31.57	0.75	0.86
13	A₂	465	417	0.00	0.57	0.75	0.86
14	A₂	76	68	0.00	0.00	0.75	0.86
15	B₁	2368	2128	509.70	79.87	0.75	0.86
16	B₁	2343	2106	58.72	176.29	0.75	0.86
17	B₁	1034	929	136.84	3.02	0.75	0.86
18	B₁	658	591	15.07	7.72	0.75	0.86
19	B₁	352	316	37.32	0.04	0.75	0.86
20	B₁	98	88	0.07	0.06	0.75	0.86
21	B₂	2366	2126	282.95	72.94	0.75	0.86
22	B₂	2362	2123	41.65	8.60	0.75	0.86
23	B₂	1033	928	44.58	0.08	0.75	0.86
24	B₂	984	884	456.00	2.99	0.75	0.86
25	B₂	812	729	419.03	0.06	0.75	0.86
26	B₂	503	452	24.47	4.04	0.75	0.86
27	B₂	486	437	15.88	14.30	0.75	0.86

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.887
Si2	0.000	1.962	-0.418
Si3	0.000	-1.962	-0.418
H4	1.195	0.000	1.762
H5	-1.195	0.000	1.762
H6	0.000	3.162	0.444
H7	0.000	-3.162	0.444
H8	1.198	2.002	-1.283
H9	-1.198	2.002	-1.283
H10	-1.198	-2.002	-1.283
H11	1.198	-2.002	-1.283

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3569	2.3569	1.4812	1.4812	3.1932	3.1932	3.1868	3.1868	3.1868	3.1868
Si2	2.3569		3.9248	3.1674	3.1674	1.4777	5.1968	1.4784	1.4784	4.2312	4.2312
Si3	2.3569	3.9248		3.1674	3.1674	5.1968	1.4777	4.2312	4.2312	1.4784	1.4784
H4	1.4812	3.1674	3.1674		2.3908	3.6284	3.6284	3.6444	4.3601	4.3601	3.6444
H5	1.4812	3.1674	3.1674	2.3908		3.6284	3.6284	4.3601	3.6444	3.6444	4.3601
H6	3.1932	1.4777	5.1968	3.6284	3.6284		6.3246	2.4011	2.4011	5.5761	5.5761
H7	3.1932	5.1968	1.4777	3.6284	3.6284	6.3246		5.5761	5.5761	2.4011	2.4011
H8	3.1868	1.4784	4.2312	3.6444	4.3601	2.4011	5.5761		2.3964	4.6669	4.0046
H9	3.1868	1.4784	4.2312	4.3601	3.6444	2.4011	5.5761	2.3964		4.0046	4.6669
H10	3.1868	4.2312	1.4784	4.3601	3.6444	5.5761	2.4011	4.6669	4.0046		2.3964
H11	3.1868	4.2312	1.4784	3.6444	4.3601	5.5761	2.4011	4.0046	4.6669	2.3964

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.663	S1	S2	H8	110.276
S1	S2	H9	110.276	S1	S3	H7	110.663
S1	S3	H10	110.276	S1	S3	H11	110.276
S2	S1	S3	112.738	S2	S1	H4	109.089
S2	S1	H5	109.089	S3	S1	H4	109.089
S3	S1	H5	109.089	H4	S1	H5	107.618
H6	S2	H8	108.638	H6	S2	H9	108.638
H7	S3	H10	108.638	H7	S3	H11	108.638
H8	S2	H9	108.286	H10	S3	H11	108.286

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: HF/6-31G*

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	0.170
2	Si	0.415
3	Si	0.415
4	H	-0.119
5	H	-0.119
6	H	-0.125
7	H	-0.125
8	H	-0.128
9	H	-0.128
10	H	-0.128
11	H	-0.128

<r²>	211.245
(<r²>)^1/2	14.534

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: HF/6-31G*

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)