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	hartrees
Energy at 0K	-868.468449
Energy at 298.15K
HF Energy	-868.372516
Nuclear repulsion energy	193.882556

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2307	2307	151.75
2	A₁	2297	2297	5.42
3	A₁	2277	2277	69.91
4	A₁	977	977	71.13
5	A₁	954	954	5.78
6	A₁	919	919	199.57
7	A₁	589	589	7.41
8	A₁	406	406	0.63
9	A₁	103	103	1.39
10	A₂	2305	2305	0.00
11	A₂	968	968	0.00
12	A₂	742	742	0.00
13	A₂	442	442	0.00
14	A₂	84	84	0.00
15	B₁	2309	2309	237.22
16	B₁	2287	2287	25.23
17	B₁	972	972	81.98
18	B₁	617	617	10.93
19	B₁	321	321	19.03
20	B₁	103	103	0.03
21	B₂	2305	2305	58.17
22	B₂	2292	2292	118.39
23	B₂	970	970	37.19
24	B₂	908	908	328.78
25	B₂	748	748	282.11
26	B₂	485	485	6.05
27	B₂	456	456	17.92

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.899
Si2	0.000	1.915	-0.421
Si3	0.000	-1.915	-0.421
H4	1.201	0.000	1.775
H5	-1.201	0.000	1.775
H6	0.000	3.144	0.411
H7	0.000	-3.144	0.411
H8	1.203	1.931	-1.290
H9	-1.203	1.931	-1.290
H10	-1.203	-1.931	-1.290
H11	1.203	-1.931	-1.290

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3258	2.3258	1.4870	1.4870	3.1814	3.1814	3.1567	3.1567	3.1567	3.1567
Si2	2.3258		3.8303	3.1516	3.1516	1.4841	5.1270	1.4840	1.4840	4.1221	4.1221
Si3	2.3258	3.8303		3.1516	3.1516	5.1270	1.4841	4.1221	4.1221	1.4840	1.4840
H4	1.4870	3.1516	3.1516		2.4027	3.6313	3.6313	3.6225	4.3476	4.3476	3.6225
H5	1.4870	3.1516	3.1516	2.4027		3.6313	3.6313	4.3476	3.6225	3.6225	4.3476
H6	3.1814	1.4841	5.1270	3.6313	3.6313		6.2877	2.4113	2.4113	5.4856	5.4856
H7	3.1814	5.1270	1.4841	3.6313	3.6313	6.2877		5.4856	5.4856	2.4113	2.4113
H8	3.1567	1.4840	4.1221	3.6225	4.3476	2.4113	5.4856		2.4053	4.5490	3.8611
H9	3.1567	1.4840	4.1221	4.3476	3.6225	2.4113	5.4856	2.4053		3.8611	4.5490
H10	3.1567	4.1221	1.4840	4.3476	3.6225	5.4856	2.4113	4.5490	3.8611		2.4053
H11	3.1567	4.1221	1.4840	3.6225	4.3476	5.4856	2.4113	3.8611	4.5490	2.4053

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.316	S1	S2	H8	109.934
S1	S2	H9	109.934	S1	S3	H7	111.316
S1	S3	H10	109.934	S1	S3	H11	109.934
S2	S1	S3	110.863	S2	S1	H4	109.534
S2	S1	H5	109.534	S3	S1	H4	109.534
S3	S1	H5	109.534	H4	S1	H5	107.785
H6	S2	H8	108.660	H6	S2	H9	108.660
H7	S3	H10	108.660	H7	S3	H11	108.660
H8	S2	H9	108.267	H10	S3	H11	108.267

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B2PLYP=FULLultrafine/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: B2PLYP=FULLultrafine/3-21G*

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)