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	hartrees
Energy at 0K	-873.221020
Energy at 298.15K
HF Energy	-873.221020
Nuclear repulsion energy	191.734165

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2180	2180	194.07
2	A₁	2167	2167	9.16
3	A₁	2144	2144	84.14
4	A₁	933	933	67.37
5	A₁	908	908	0.54
6	A₁	870	870	176.18
7	A₁	552	552	5.38
8	A₁	379	379	0.58
9	A₁	92	92	1.19
10	A₂	2177	2177	0.00
11	A₂	922	922	0.00
12	A₂	691	691	0.00
13	A₂	406	406	0.00
14	A₂	47i	47i	0.00
15	B₁	2184	2184	320.41
16	B₁	2156	2156	32.10
17	B₁	926	926	68.48
18	B₁	580	580	8.43
19	B₁	302	302	16.68
20	B₁	48	48	0.05
21	B₂	2178	2178	82.55
22	B₂	2161	2161	134.49
23	B₂	926	926	34.13
24	B₂	856	856	295.58
25	B₂	702	702	280.15
26	B₂	454	454	5.10
27	B₂	421	421	15.39

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.909
Si2	0.000	1.940	-0.426
Si3	0.000	-1.940	-0.426
H4	1.208	0.000	1.795
H5	-1.208	0.000	1.795
H6	0.000	3.179	0.409
H7	0.000	-3.179	0.409
H8	1.211	1.956	-1.302
H9	-1.211	1.956	-1.302
H10	-1.211	-1.956	-1.302
H11	1.211	-1.956	-1.302

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3551	2.3551	1.4972	1.4972	3.2181	3.2181	3.1911	3.1911	3.1911	3.1911
Si2	2.3551		3.8795	3.1863	3.1863	1.4944	5.1864	1.4945	1.4945	4.1729	4.1729
Si3	2.3551	3.8795		3.1863	3.1863	5.1864	1.4944	4.1729	4.1729	1.4945	1.4945
H4	1.4972	3.1863	3.1863		2.4152	3.6720	3.6720	3.6625	4.3891	4.3891	3.6625
H5	1.4972	3.1863	3.1863	2.4152		3.6720	3.6720	4.3891	3.6625	3.6625	4.3891
H6	3.2181	1.4944	5.1864	3.6720	3.6720		6.3580	2.4265	2.4265	5.5466	5.5466
H7	3.2181	5.1864	1.4944	3.6720	3.6720	6.3580		5.5466	5.5466	2.4265	2.4265
H8	3.1911	1.4945	4.1729	3.6625	4.3891	2.4265	5.5466		2.4221	4.6017	3.9127
H9	3.1911	1.4945	4.1729	4.3891	3.6625	2.4265	5.5466	2.4221		3.9127	4.6017
H10	3.1911	4.1729	1.4945	4.3891	3.6625	5.5466	2.4265	4.6017	3.9127		2.4221
H11	3.1911	4.1729	1.4945	3.6625	4.3891	5.5466	2.4265	3.9127	4.6017	2.4221

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.472	S1	S2	H8	109.962
S1	S2	H9	109.962	S1	S3	H7	111.472
S1	S3	H10	109.962	S1	S3	H11	109.962
S2	S1	S3	110.901	S2	S1	H4	109.587
S2	S1	H5	109.587	S3	S1	H4	109.587
S3	S1	H5	109.587	H4	S1	H5	107.526
H6	S2	H8	108.555	H6	S2	H9	108.555
H7	S3	H10	108.555	H7	S3	H11	108.555
H8	S2	H9	108.258	H10	S3	H11	108.258

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B97D3/6-31G**

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	0.084
2	Si	0.227
3	Si	0.227
4	H	-0.062
5	H	-0.062
6	H	-0.069
7	H	-0.069
8	H	-0.069
9	H	-0.069
10	H	-0.069
11	H	-0.069

<r²>	208.537
(<r²>)^1/2	14.441

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: B97D3/6-31G**

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)