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	hartrees
Energy at 0K	-78.443970
Energy at 298.15K	-78.447123
HF Energy	-78.064315
Nuclear repulsion energy	33.298221

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3153	3048
2	A_g	1664	1609
3	A_g	1364	1318
4	A_u	1020	986
5	B_1u	3134	3030
6	B_1u	1471	1423
7	B_2g	929	898
8	B_2u	3241	3134
9	B_2u	817	790
10	B_3g	3214	3107
11	B_3g	1240	1199
12	B_3u	959	927

Atom	y (Å)	z (Å)
C1	0.000	0.669
C2	0.000	-0.669
H3	0.925	1.235
H4	-0.925	1.235
H5	-0.925	-1.235
H6	0.925	-1.235

	C1	C2	H3	H4	H5	H6
C1		1.3383	1.0837	1.0837	2.1163	2.1163
C2	1.3383		2.1163	2.1163	1.0837	1.0837
H3	1.0837	2.1163		1.8491	3.0847	2.4690
H4	1.0837	2.1163	1.8491		2.4690	3.0847
H5	2.1163	1.0837	3.0847	2.4690		1.8491
H6	2.1163	1.0837	2.4690	3.0847	1.8491

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.446	C1	C2	H6	121.446
C2	C1	H3	121.446	C2	C1	H4	121.446
H3	C1	H4	117.107	H5	C2	H6	117.107

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: QCISD(T)/aug-cc-pVTZ

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)/aug-cc-pVTZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)