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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	-290.169625
Energy at 298.15K	-290.170251
HF Energy	-290.032074
Nuclear repulsion energy	10.007756

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2072	1979	211.10
2	A₁	1034	987	84.60
3	B₂	2069	1975	268.19

Atom	y (Å)	z (Å)
Si1	0.000	0.131
H2	1.097	-0.917
H3	-1.097	-0.917

	Si1	H2	H3
Si1		1.5171	1.5171
H2	1.5171		2.1931
H3	1.5171	2.1931

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

using model chemistry: QCISD/cc-pV(T+d)Z

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	-290.137157
Energy at 298.15K	-290.137756
HF Energy	-290.025170
Nuclear repulsion energy	10.218244

	Si1	H2	H3
Si1		1.4802	1.4802
H2	1.4802		2.5412
H3	1.4802	2.5412

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

using model chemistry: QCISD/cc-pV(T+d)Z

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)