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	hartrees
Energy at 0K	-78.523783
Energy at 298.15K	-78.526955
HF Energy	-78.069491
Nuclear repulsion energy	33.435504

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3168	3035
2	A_g	1678	1607
3	A_g	1372	1315
4	A_u	1057	1012
5	B_1u	3152	3020
6	B_1u	1480	1418
7	B_2g	975	934
8	B_2u	3259	3122
9	B_2u	825	790
10	B_3g	3234	3099
11	B_3g	1244	1192
12	B_3u	973	932

Atom	y (Å)	z (Å)
C1	0.000	0.666
C2	0.000	-0.666
H3	0.921	1.230
H4	-0.921	1.230
H5	-0.921	-1.230
H6	0.921	-1.230

	C1	C2	H3	H4	H5	H6
C1		1.3315	1.0805	1.0805	2.1078	2.1078
C2	1.3315		2.1078	2.1078	1.0805	1.0805
H3	1.0805	2.1078		1.8429	3.0736	2.4599
H4	1.0805	2.1078	1.8429		2.4599	3.0736
H5	2.1078	1.0805	3.0736	2.4599		1.8429
H6	2.1078	1.0805	2.4599	3.0736	1.8429

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.480	C1	C2	H6	121.480
C2	C1	H3	121.480	C2	C1	H4	121.480
H3	C1	H4	117.041	H5	C2	H6	117.041

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD(T)=FULL/aug-cc-pVQZ

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: CCSD(T)=FULL/aug-cc-pVQZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)