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	hartrees
Energy at 0K	-78.356515
Energy at 298.15K	-78.359657
HF Energy	-78.038357
Nuclear repulsion energy	32.912552

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3163	3163
2	A_g	1670	1670
3	A_g	1357	1357
4	A_u	1029	1029
5	B_1u	3145	3145
6	B_1u	1459	1459
7	B_2g	907	907
8	B_2u	3259	3259
9	B_2u	818	818
10	B_3g	3234	3234
11	B_3g	1228	1228
12	B_3u	948	948

Atom	y (Å)	z (Å)
C1	0.000	0.676
C2	0.000	-0.676
H3	0.937	1.250
H4	-0.937	1.250
H5	-0.937	-1.250
H6	0.937	-1.250

	C1	C2	H3	H4	H5	H6
C1		1.3520	1.0984	1.0984	2.1415	2.1415
C2	1.3520		2.1415	2.1415	1.0984	1.0984
H3	1.0984	2.1415		1.8731	3.1236	2.4997
H4	1.0984	2.1415	1.8731		2.4997	3.1236
H5	2.1415	1.0984	3.1236	2.4997		1.8731
H6	2.1415	1.0984	2.4997	3.1236	1.8731

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.496	C1	C2	H6	121.496
C2	C1	H3	121.496	C2	C1	H4	121.496
H3	C1	H4	117.007	H5	C2	H6	117.007

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: QCISD(TQ)/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(TQ)/cc-pVDZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)