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	hartrees
Energy at 0K	-78.426537
Energy at 298.15K	-78.429722
HF Energy	-78.064323
Nuclear repulsion energy	33.426094

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3175	3175	0.00
2	A_g	1701	1701	0.00
3	A_g	1387	1387	0.00
4	A_u	1064	1064	0.00
5	B_1u	3157	3157	13.42
6	B_1u	1493	1493	8.50
7	B_2g	970	970	0.00
8	B_2u	3263	3263	20.80
9	B_2u	833	833	0.04
10	B_3g	3238	3238	0.00
11	B_3g	1255	1255	0.00
12	B_3u	986	986	90.91

Atom	y (Å)	z (Å)
C1	0.000	0.665
C2	0.000	-0.665
H3	0.922	1.231
H4	-0.922	1.231
H5	-0.922	-1.231
H6	0.922	-1.231

	C1	C2	H3	H4	H5	H6
C1		1.3309	1.0817	1.0817	2.1087	2.1087
C2	1.3309		2.1087	2.1087	1.0817	1.0817
H3	1.0817	2.1087		1.8441	3.0760	2.4620
H4	1.0817	2.1087	1.8441		2.4620	3.0760
H5	2.1087	1.0817	3.0760	2.4620		1.8441
H6	2.1087	1.0817	2.4620	3.0760	1.8441

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.523	C1	C2	H6	121.523
C2	C1	H3	121.523	C2	C1	H4	121.523
H3	C1	H4	116.955	H5	C2	H6	116.955

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: QCISD/cc-pCVTZ

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 C2H4 (Ethylene)

using model chemistry: QCISD/cc-pCVTZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)