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	hartrees
Energy at 0K	-116.308209
Energy at 298.15K
HF Energy	-115.882482
Nuclear repulsion energy	58.862749

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3142	3008	0.00
2	A₁	1504	1440	0.00
3	A₁	1091	1045	0.00
4	B₁	881	844	0.00
5	B₂	3141	3007	4.33
6	B₂	2042	1955	38.00
7	B₂	1452	1390	3.11
8	E	3224	3086	3.75
8	E	3224	3086	3.75
9	E	1037	993	0.57
9	E	1037	993	0.57
10	E	861	825	58.41
10	E	861	825	58.41
11	E	357	341	6.12
11	E	357	341	6.12

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
C2	0.000	0.000	1.315
C3	0.000	0.000	-1.315
H4	0.000	0.931	1.879
H5	0.000	-0.931	1.879
H6	0.931	0.000	-1.879
H7	-0.931	0.000	-1.879

	C1	C2	C3	H4	H5	H6	H7
C1		1.3151	1.3151	2.0966	2.0966	2.0966	2.0966
C2	1.3151		2.6302	1.0880	1.0880	3.3267	3.3267
C3	1.3151	2.6302		3.3267	3.3267	1.0880	1.0880
H4	2.0966	1.0880	3.3267		1.8613	3.9814	3.9814
H5	2.0966	1.0880	3.3267	1.8613		3.9814	3.9814
H6	2.0966	3.3267	1.0880	3.9814	3.9814		1.8613
H7	2.0966	3.3267	1.0880	3.9814	3.9814	1.8613

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	121.203	C1	C2	H5	121.203
C1	C3	H6	121.203	C1	C3	H7	121.203
C2	C1	C3	180.000	H4	C2	H5	117.595
H6	C3	H7	117.595

All results from a given calculation for CH₂CCH₂ (allene)

using model chemistry: QCISD/6-311G*

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: QCISD/6-311G*

States and conformations

All results from a given calculation for CH₂CCH₂ (allene)