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	hartrees
Energy at 0K	-116.299892
Energy at 298.15K
HF Energy	-115.870531
Nuclear repulsion energy	58.449813

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3168	3001	0.00
2	A₁	1494	1415	0.00
3	A₁	1097	1039	0.00
4	B₁	867	821	0.00
5	B₂	3167	3000	3.03
6	B₂	2052	1944	30.94
7	B₂	1436	1361	1.30
8	E	3261	3089	2.27
8	E	3261	3089	2.27
9	E	1024	970	1.20
9	E	1024	970	1.20
10	E	858	813	47.33
10	E	858	813	47.33
11	E	352	334	3.83
11	E	352	334	3.83

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
C2	0.000	0.000	1.324
C3	0.000	0.000	-1.324
H4	0.000	0.940	1.888
H5	0.000	-0.940	1.888
H6	0.940	0.000	-1.888
H7	-0.940	0.000	-1.888

	C1	C2	C3	H4	H5	H6	H7
C1		1.3244	1.3244	2.1095	2.1095	2.1095	2.1095
C2	1.3244		2.6488	1.0964	1.0964	3.3476	3.3476
C3	1.3244	2.6488		3.3476	3.3476	1.0964	1.0964
H4	2.1095	1.0964	3.3476		1.8803	4.0041	4.0041
H5	2.1095	1.0964	3.3476	1.8803		4.0041	4.0041
H6	2.1095	3.3476	1.0964	4.0041	4.0041		1.8803
H7	2.1095	3.3476	1.0964	4.0041	4.0041	1.8803

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	120.963	C1	C2	H5	120.963
C1	C3	H6	120.963	C1	C3	H7	120.963
C2	C1	C3	180.000	H4	C2	H5	118.075
H6	C3	H7	118.075

All results from a given calculation for CH₂CCH₂ (allene)

using model chemistry: CCSD/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/cc-pVDZ

States and conformations

All results from a given calculation for CH₂CCH₂ (allene)