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	hartrees
Energy at 0K	-78.466477
Energy at 298.15K	-78.469654
HF Energy	-78.065069
Nuclear repulsion energy	33.518301

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3193	3193	0.00
2	A_g	1711	1711	0.00
3	A_g	1388	1388	0.00
4	A_u	1072	1072	0.00
5	B_1u	3163	3163	13.17
6	B_1u	1495	1495	9.11
7	B_2g	978	978	0.00
8	B_2u	3254	3254	17.19
9	B_2u	831	831	0.00
10	B_3g	3223	3223	0.00
11	B_3g	1257	1257	0.00
12	B_3u	982	982	91.38

Atom	y (Å)	z (Å)
C1	0.000	0.664
C2	0.000	-0.664
H3	0.920	1.227
H4	-0.920	1.227
H5	-0.920	-1.227
H6	0.920	-1.227

	C1	C2	H3	H4	H5	H6
C1		1.3277	1.0784	1.0784	2.1024	2.1024
C2	1.3277		2.1024	2.1024	1.0784	1.0784
H3	1.0784	2.1024		1.8398	3.0664	2.4532
H4	1.0784	2.1024	1.8398		2.4532	3.0664
H5	2.1024	1.0784	3.0664	2.4532		1.8398
H6	2.1024	1.0784	2.4532	3.0664	1.8398

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.456	C1	C2	H6	121.456
C2	C1	H3	121.456	C2	C1	H4	121.456
H3	C1	H4	117.089	H5	C2	H6	117.089

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CCSD=FULL/daug-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: CCSD=FULL/daug-cc-pVTZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)