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	hartrees
Energy at 0K	-78.370950
Energy at 298.15K	-78.374111
HF Energy	-78.042257
Nuclear repulsion energy	32.905260

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3144	3144
2	A_g	1651	1651
3	A_g	1353	1353
4	A_u	1027	1027
5	B_1u	3128	3128
6	B_1u	1462	1462
7	B_2g	972	972
8	B_2u	3243	3243
9	B_2u	813	813
10	B_3g	3215	3215
11	B_3g	1218	1218
12	B_3u	963	963

Atom	y (Å)	z (Å)
C1	0.000	0.678
C2	0.000	-0.678
H3	0.935	1.250
H4	-0.935	1.250
H5	-0.935	-1.250
H6	0.935	-1.250

	C1	C2	H3	H4	H5	H6
C1		1.3551	1.0960	1.0960	2.1420	2.1420
C2	1.3551		2.1420	2.1420	1.0960	1.0960
H3	1.0960	2.1420		1.8697	3.1213	2.4993
H4	1.0960	2.1420	1.8697		2.4993	3.1213
H5	2.1420	1.0960	3.1213	2.4993		1.8697
H6	2.1420	1.0960	2.4993	3.1213	1.8697

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.468	C1	C2	H6	121.468
C2	C1	H3	121.468	C2	C1	H4	121.468
H3	C1	H4	117.065	H5	C2	H6	117.065

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: QCISD(T)/daug-cc-pVDZ

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)/daug-cc-pVDZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)