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	hartrees
Energy at 0K	-871.913533
Energy at 298.15K	-871.905082
HF Energy	-871.386463
Nuclear repulsion energy	191.823852

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	2373	4.94	523.43	0.00	0.01
2	A₁	2367	2367	331.02	153.97	0.57	0.72
3	A₁	2341	2341	139.19	81.03	0.39	0.56
4	A₁	1044	1044	97.61	9.17	0.74	0.85
5	A₁	1025	1025	57.83	44.38	0.70	0.82
6	A₁	990	990	262.24	17.21	0.74	0.85
7	A₁	625	625	14.55	17.51	0.71	0.83
8	A₁	412	412	1.12	38.49	0.14	0.25
9	A₁	109	109	2.29	2.12	0.57	0.73
10	A₂	2361	2361	0.00	19.82	0.75	0.86
11	A₂	1031	1031	0.00	49.88	0.75	0.86
12	A₂	779	779	0.00	31.55	0.75	0.86
13	A₂	465	465	0.00	0.56	0.75	0.86
14	A₂	77	77	0.00	0.00	0.75	0.86
15	B₁	2368	2368	508.91	80.34	0.75	0.86
16	B₁	2343	2343	59.47	175.88	0.75	0.86
17	B₁	1034	1034	136.80	2.99	0.75	0.86
18	B₁	658	658	15.05	7.74	0.75	0.86
19	B₁	353	353	37.32	0.04	0.75	0.86
20	B₁	98	98	0.07	0.07	0.75	0.86
21	B₂	2366	2366	285.03	72.30	0.75	0.86
22	B₂	2362	2362	39.64	8.96	0.75	0.86
23	B₂	1033	1033	44.89	0.09	0.75	0.86
24	B₂	984	984	455.04	2.99	0.75	0.86
25	B₂	812	812	418.88	0.06	0.75	0.86
26	B₂	503	503	24.60	4.02	0.75	0.86
27	B₂	486	486	15.73	14.28	0.75	0.86

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.888
Si2	0.000	1.962	-0.418
Si3	0.000	-1.962	-0.418
H4	1.195	0.000	1.763
H5	-1.195	0.000	1.763
H6	0.000	3.163	0.443
H7	0.000	-3.163	0.443
H8	1.198	2.001	-1.283
H9	-1.198	2.001	-1.283
H10	-1.198	-2.001	-1.283
H11	1.198	-2.001	-1.283

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3569	2.3569	1.4812	1.4812	3.1939	3.1939	3.1863	3.1863	3.1863	3.1863
Si2	2.3569		3.9236	3.1677	3.1677	1.4777	5.1964	1.4784	1.4784	4.2292	4.2292
Si3	2.3569	3.9236		3.1677	3.1677	5.1964	1.4777	4.2292	4.2292	1.4784	1.4784
H4	1.4812	3.1677	3.1677		2.3904	3.6296	3.6296	3.6443	4.3601	4.3601	3.6443
H5	1.4812	3.1677	3.1677	2.3904		3.6296	3.6296	4.3601	3.6443	3.6443	4.3601
H6	3.1939	1.4777	5.1964	3.6296	3.6296		6.3255	2.4011	2.4011	5.5747	5.5747
H7	3.1939	5.1964	1.4777	3.6296	3.6296	6.3255		5.5747	5.5747	2.4011	2.4011
H8	3.1863	1.4784	4.2292	3.6443	4.3601	2.4011	5.5747		2.3969	4.6645	4.0015
H9	3.1863	1.4784	4.2292	4.3601	3.6443	2.4011	5.5747	2.3969		4.0015	4.6645
H10	3.1863	4.2292	1.4784	4.3601	3.6443	5.5747	2.4011	4.6645	4.0015		2.3969
H11	3.1863	4.2292	1.4784	3.6443	4.3601	5.5747	2.4011	4.0015	4.6645	2.3969

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	110.706	S1	S2	H8	110.249
S1	S2	H9	110.249	S1	S3	H7	110.706
S1	S3	H10	110.249	S1	S3	H11	110.249
S2	S1	S3	112.689	S2	S1	H4	109.109
S2	S1	H5	109.109	S3	S1	H4	109.109
S3	S1	H5	109.109	H4	S1	H5	107.587
H6	S2	H8	108.629	H6	S2	H9	108.629
H7	S3	H10	108.629	H7	S3	H11	108.629
H8	S2	H9	108.316	H10	S3	H11	108.316

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: CBS-Q

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: CBS-Q

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)