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	hartrees
Energy at 0K	-78.364460
Energy at 298.15K	-78.367641
HF Energy	-78.042934
Nuclear repulsion energy	33.033258

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3171	3171	0.00
2	A_g	1685	1685	0.00
3	A_g	1373	1373	0.00
4	A_u	1047	1047	0.00
5	B_1u	3154	3154	15.94
6	B_1u	1477	1477	6.88
7	B_2g	1008	1008	0.00
8	B_2u	3267	3267	22.96
9	B_2u	824	824	0.01
10	B_3g	3239	3239	0.00
11	B_3g	1232	1232	0.00
12	B_3u	983	983	89.87

Atom	y (Å)	z (Å)
C1	0.000	0.674
C2	0.000	-0.674
H3	0.932	1.246
H4	-0.932	1.246
H5	-0.932	-1.246
H6	0.932	-1.246

	C1	C2	H3	H4	H5	H6
C1		1.3480	1.0933	1.0933	2.1339	2.1339
C2	1.3480		2.1339	2.1339	1.0933	1.0933
H3	1.0933	2.1339		1.8638	3.1114	2.4914
H4	1.0933	2.1339	1.8638		2.4914	3.1114
H5	2.1339	1.0933	3.1114	2.4914		1.8638
H6	2.1339	1.0933	2.4914	3.1114	1.8638

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.529	C1	C2	H6	121.529
C2	C1	H3	121.529	C2	C1	H4	121.529
H3	C1	H4	116.942	H5	C2	H6	116.942

All results from a given calculation for C₂H₄ (Ethylene)

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

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)