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State	Conformation	minimum conformation	conformer description	state description
1	1	yes	C2V	¹A₁
2	1	yes	C2V	³B₁

	hartrees
Energy at 0K	-287.110368
Energy at 298.15K	-287.111015
HF Energy	-287.110368
Nuclear repulsion energy	10.195745

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2491	2199	136.34
2	A₁	1337	1181	85.43
3	B₂	2521	2226	163.86

Atom	y (Å)	z (Å)
Si1	0.000	0.132
H2	1.051	-0.924
H3	-1.051	-0.924

	Si1	H2	H3
Si1		1.4900	1.4900
H2	1.4900		2.1026
H3	1.4900	2.1026

All results from a given calculation for SiH₂ (silicon dihydride)

using model chemistry: HSEh1PBE/STO-3G

States and conformations

State 1 (¹A₁)

State 2 (³B₁)

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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You are here: Calculated > Energy > Optimized > Energy

	hartrees
Energy at 0K	-287.066478
Energy at 298.15K	-287.067093
HF Energy	-287.066478
Nuclear repulsion energy	10.434969

Number	Element	Mulliken
1	Si	0.360
2	H	-0.180
3	H	-0.180

	x	y	z	Total
	0.000	0.000	0.033	0.033
CHELPG
AIM
ESP

<r²>	12.038
(<r²>)^1/2	3.470

	Si1	H2	H3
Si1		1.4502	1.4502
H2	1.4502		2.4297
H3	1.4502	2.4297

All results from a given calculation for SiH2 (silicon dihydride)

using model chemistry: HSEh1PBE/STO-3G

States and conformations

State 1 (1A1)

State 2 (3B1)

All results from a given calculation for SiH₂ (silicon dihydride)

State 1 (¹A₁)

State 2 (³B₁)