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State	Conformation	minimum conformation	conformer description	state description
1	1	yes	C*V	³Σ
2	1	yes	C*V	¹?

	hartrees
Energy at 0K	-2472.669705
Energy at 298.15K
HF Energy	-2472.376753
Nuclear repulsion energy	86.641797

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	0.000	0.316
O2	0.000	0.000	-1.345

	Se1	O2
Se1		1.6613
O2	1.6613

	hartrees
Energy at 0K	-2472.631723
Energy at 298.15K	-2472.629239
Nuclear repulsion energy	85.903254

All results from a given calculation for SeO (Selenium monoxide)

using model chemistry: CCSD/6-31G*

States and conformations

State 1 (³Σ)

State 2 (¹?)

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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	Se1	O2
Se1		1.6756
O2	1.6756

All results from a given calculation for SeO (Selenium monoxide)

using model chemistry: CCSD/6-31G*

States and conformations

State 1 (3Σ)

State 2 (1?)

State 1 (³Σ)

State 2 (¹?)