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	hartrees
Energy at 0K	-264.266584
Energy at 298.15K
HF Energy	-263.379461
Nuclear repulsion energy	123.259115

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
C2	0.000	0.000	1.273
C3	0.000	0.000	-1.273
O4	0.000	0.000	2.424
O5	0.000	0.000	-2.424

	C1	C2	C3	O4	O5
C1		1.2732	1.2732	2.4235	2.4235
C2	1.2732		2.5465	1.1503	3.6968
C3	1.2732	2.5465		3.6968	1.1503
O4	2.4235	1.1503	3.6968		4.8471
O5	2.4235	3.6968	1.1503	4.8471

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C1	C2	O4	180.000		C1	C3	O5	180.000
C2	C1	C3	180.000

All results from a given calculation for C₃O₂ (Carbon suboxide)

using model chemistry: MP3/daug-cc-pVTZ

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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All results from a given calculation for C3O2 (Carbon suboxide)

using model chemistry: MP3/daug-cc-pVTZ

States and conformations

All results from a given calculation for C₃O₂ (Carbon suboxide)