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	hartrees
Energy at 0K	-873.301887
Energy at 298.15K	-873.309232
HF Energy	-873.301887
Nuclear repulsion energy	192.237265

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2161	2132	143.45
2	A₁	2150	2121	9.38
3	A₁	2128	2099	66.93
4	A₁	931	918	63.64
5	A₁	905	892	0.76
6	A₁	869	857	176.67
7	A₁	551	543	4.68
8	A₁	373	368	0.47
9	A₁	93	92	1.18
10	A₂	2159	2130	0.00
11	A₂	923	910	0.00
12	A₂	688	679	0.00
13	A₂	403	398	0.00
14	A₂	46	46	0.00
15	B₁	2165	2135	235.28
16	B₁	2140	2110	23.40
17	B₁	928	915	66.10
18	B₁	579	571	8.28
19	B₁	300	296	16.70
20	B₁	81	80	0.03
21	B₂	2160	2130	67.98
22	B₂	2145	2116	109.05
23	B₂	923	911	36.81
24	B₂	855	844	298.33
25	B₂	697	688	262.78
26	B₂	446	440	7.34
27	B₂	417	411	12.98

Atom	x (Å)	y (Å)	z (Å)
Si1	0.000	0.000	0.914
Si2	0.000	1.931	-0.428
Si3	0.000	-1.931	-0.428
H4	1.208	0.000	1.792
H5	-1.208	0.000	1.792
H6	0.000	3.170	0.400
H7	0.000	-3.170	0.400
H8	1.209	1.938	-1.299
H9	-1.209	1.938	-1.299
H10	-1.209	-1.938	-1.299
H11	1.209	-1.938	-1.299

	Si1	Si2	Si3	H4	H5	H6	H7	H8	H9	H10	H11
Si1		2.3515	2.3515	1.4930	1.4930	3.2113	3.2113	3.1809	3.1809	3.1809	3.1809
Si2	2.3515		3.8612	3.1804	3.1804	1.4902	5.1671	1.4902	1.4902	4.1457	4.1457
Si3	2.3515	3.8612		3.1804	3.1804	5.1671	1.4902	4.1457	4.1457	1.4902	1.4902
H4	1.4930	3.1804	3.1804		2.4157	3.6667	3.6667	3.6484	4.3764	4.3764	3.6484
H5	1.4930	3.1804	3.1804	2.4157		3.6667	3.6667	4.3764	3.6484	3.6484	4.3764
H6	3.2113	1.4902	5.1671	3.6667	3.6667		6.3395	2.4218	2.4218	5.5170	5.5170
H7	3.2113	5.1671	1.4902	3.6667	3.6667	6.3395		5.5170	5.5170	2.4218	2.4218
H8	3.1809	1.4902	4.1457	3.6484	4.3764	2.4218	5.5170		2.4182	4.5686	3.8761
H9	3.1809	1.4902	4.1457	4.3764	3.6484	2.4218	5.5170	2.4182		3.8761	4.5686
H10	3.1809	4.1457	1.4902	4.3764	3.6484	5.5170	2.4218	4.5686	3.8761		2.4182
H11	3.1809	4.1457	1.4902	3.6484	4.3764	5.5170	2.4218	3.8761	4.5686	2.4182

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	S2	H6	111.443	S1	S2	H8	109.744
S1	S2	H9	109.744	S1	S3	H7	111.443
S1	S3	H10	109.744	S1	S3	H11	109.744
S2	S1	S3	110.370	S2	S1	H4	109.607
S2	S1	H5	109.607	S3	S1	H4	109.607
S3	S1	H5	109.607	H4	S1	H5	108.002
H6	S2	H8	108.694	H6	S2	H9	108.694
H7	S3	H10	108.694	H7	S3	H11	108.694
H8	S2	H9	108.460	H10	S3	H11	108.460

All results from a given calculation for Si₃H₈ (trisilane)

using model chemistry: B97D3/Def2TZVPP

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	0.154
2	Si	0.175
3	Si	0.175
4	H	-0.069
5	H	-0.069
6	H	-0.061
7	H	-0.061
8	H	-0.061
9	H	-0.061
10	H	-0.061
11	H	-0.061

<r²>	207.624
(<r²>)^1/2	14.409

All results from a given calculation for Si3H8 (trisilane)

using model chemistry: B97D3/Def2TZVPP

States and conformations

All results from a given calculation for Si₃H₈ (trisilane)