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State	Conformation	minimum conformation	conformer description	state description
1	1	yes	D*H	³Σ_g
2	1	yes	D*H	¹Δ_g

	hartrees
Energy at 0K	-149.425476
Energy at 298.15K	-149.425465
HF Energy	-149.425476
Nuclear repulsion energy	26.141848

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	0.648
O2	0.000	0.000	-0.648

	O1	O2
O1		1.2955
O2	1.2955

Number	Element	Mulliken	CHELPG	AIM	ESP
1	O	0.000
2	O	0.000

All results from a given calculation for O₂ (Oxygen diatomic)

using model chemistry: B3PW91/3-21G*

States and conformations

State 1 (³Σ_g)

State 2 (¹Δ_g)

	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	-149.360852
Energy at 298.15K	-149.360840
HF Energy	-149.360852
Nuclear repulsion energy	26.047000

<r²>	12.882
(<r²>)^1/2	3.589

	O1	O2
O1		1.3002
O2	1.3002

<r²>	12.943
(<r²>)^1/2	3.598

All results from a given calculation for O2 (Oxygen diatomic)

using model chemistry: B3PW91/3-21G*

States and conformations

State 1 (3Σg)

State 2 (1Δg)

All results from a given calculation for O₂ (Oxygen diatomic)

State 1 (³Σ_g)

State 2 (¹Δ_g)