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	hartrees
Energy at 0K	-116.323749
Energy at 298.15K
HF Energy	-115.869921
Nuclear repulsion energy	58.311505

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	1078	1038
2	B₁	855	823
3	B₂	2017	1942
4	E	3247	3127
5	E	3246	3127
6	E	3153	3037
7	E	3152	3036
8	E	1479	1425
8	E	1426	1374
9	E	1013	975
9	E	1013	975
10	E	835	804
10	E	835	804
11	E	343	331
11	E	342	329

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
C2	0.000	0.000	1.328
C3	0.000	0.000	-1.328
H4	0.000	0.941	1.893
H5	0.000	-0.941	1.893
H6	0.941	0.000	-1.893
H7	-0.941	0.000	-1.893

	C1	C2	C3	H4	H5	H6	H7
C1		1.3284	1.3284	2.1139	2.1139	2.1139	2.1139
C2	1.3284		2.6568	1.0971	1.0971	3.3560	3.3560
C3	1.3284	2.6568		3.3560	3.3560	1.0971	1.0971
H4	2.1139	1.0971	3.3560		1.8813	4.0131	4.0131
H5	2.1139	1.0971	3.3560	1.8813		4.0131	4.0131
H6	2.1139	3.3560	1.0971	4.0131	4.0131		1.8813
H7	2.1139	3.3560	1.0971	4.0131	4.0131	1.8813

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	120.977	C1	C2	H5	120.977
C1	C3	H6	120.977	C1	C3	H7	120.977
C2	C1	C3	180.000	H4	C2	H5	118.047
H6	C3	H7	118.047

All results from a given calculation for CH₂CCH₂ (allene)

using model chemistry: CCSD(T)=FULL/cc-pVDZ

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 CH2CCH2 (allene)

using model chemistry: CCSD(T)=FULL/cc-pVDZ

States and conformations

All results from a given calculation for CH₂CCH₂ (allene)