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	hartrees
Energy at 0K	-78.384270
Energy at 298.15K	-78.387412
HF Energy	-78.053367
Nuclear repulsion energy	33.149326

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3152	3152
2	A_g	1663	1663
3	A_g	1364	1364
4	A_u	1038	1038
5	B_1u	3135	3135
6	B_1u	1473	1473
7	B_2g	889	889
8	B_2u	3243	3243
9	B_2u	821	821
10	B_3g	3216	3216
11	B_3g	1229	1229
12	B_3u	948	948

Atom	y (Å)	z (Å)
C1	0.000	0.672
C2	0.000	-0.672
H3	0.928	1.241
H4	-0.928	1.241
H5	-0.928	-1.241
H6	0.928	-1.241

	C1	C2	H3	H4	H5	H6
C1		1.3440	1.0887	1.0887	2.1265	2.1265
C2	1.3440		2.1265	2.1265	1.0887	1.0887
H3	1.0887	2.1265		1.8557	3.0997	2.4829
H4	1.0887	2.1265	1.8557		2.4829	3.0997
H5	2.1265	1.0887	3.0997	2.4829		1.8557
H6	2.1265	1.0887	2.4829	3.0997	1.8557

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.539	C1	C2	H6	121.539
C2	C1	H3	121.539	C2	C1	H4	121.539
H3	C1	H4	116.923	H5	C2	H6	116.923

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: QCISD(T)/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 C2H4 (Ethylene)

using model chemistry: QCISD(T)/6-311G**

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)