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	hartrees
Energy at 0K	-116.272788
Energy at 298.15K	-116.275525
HF Energy	-115.860262
Nuclear repulsion energy	59.075356

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3210	3012	0.00
2	A₁	1539	1444	0.00
3	A₁	1131	1061	0.00
4	B₁	902	846	0.00
5	B₂	3208	3010	2.20
6	B₂	2101	1972	30.42
7	B₂	1483	1391	2.04
8	E	3288	3085	3.29
8	E	3288	3085	3.29
9	E	1059	994	0.10
9	E	1059	994	0.10
10	E	887	832	59.13
10	E	887	832	59.13
11	E	371	348	3.55
11	E	371	348	3.55

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
C2	0.000	0.000	1.311
C3	0.000	0.000	-1.311
H4	0.000	0.927	1.877
H5	0.000	-0.927	1.877
H6	0.927	0.000	-1.877
H7	-0.927	0.000	-1.877

	C1	C2	C3	H4	H5	H6	H7
C1		1.3110	1.3110	2.0938	2.0938	2.0938	2.0938
C2	1.3110		2.6220	1.0864	1.0864	3.3204	3.3204
C3	1.3110	2.6220		3.3204	3.3204	1.0864	1.0864
H4	2.0938	1.0864	3.3204		1.8542	3.9770	3.9770
H5	2.0938	1.0864	3.3204	1.8542		3.9770	3.9770
H6	2.0938	3.3204	1.0864	3.9770	3.9770		1.8542
H7	2.0938	3.3204	1.0864	3.9770	3.9770	1.8542

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	121.419	C1	C2	H5	121.419
C1	C3	H6	121.419	C1	C3	H7	121.419
C2	C1	C3	180.000	H4	C2	H5	117.163
H6	C3	H7	117.163

All results from a given calculation for CH₂CCH₂ (allene)

using model chemistry: MP3=FULL/6-31G*

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: MP3=FULL/6-31G*

States and conformations

All results from a given calculation for CH₂CCH₂ (allene)