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	hartrees
Energy at 0K	-78.428774
Energy at 298.15K	-78.431945
HF Energy	-78.064679
Nuclear repulsion energy	33.397231

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3172	3053	0.00
2	A_g	1695	1631	0.00
3	A_g	1382	1330	0.00
4	A_u	1037	998	0.00
5	B_1u	3152	3033	13.32
6	B_1u	1487	1431	8.52
7	B_2g	956	921	0.00
8	B_2u	3258	3136	18.60
9	B_2u	829	797	0.00
10	B_3g	3231	3109	0.00
11	B_3g	1253	1206	0.00
12	B_3u	979	942	91.42

Atom	y (Å)	z (Å)
C1	0.000	0.666
C2	0.000	-0.666
H3	0.923	1.232
H4	-0.923	1.232
H5	-0.923	-1.232
H6	0.923	-1.232

	C1	C2	H3	H4	H5	H6
C1		1.3326	1.0821	1.0821	2.1104	2.1104
C2	1.3326		2.1104	2.1104	1.0821	1.0821
H3	1.0821	2.1104		1.8454	3.0779	2.4633
H4	1.0821	2.1104	1.8454		2.4633	3.0779
H5	2.1104	1.0821	3.0779	2.4633		1.8454
H6	2.1104	1.0821	2.4633	3.0779	1.8454

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.498	C1	C2	H6	121.498
C2	C1	H3	121.498	C2	C1	H4	121.498
H3	C1	H4	117.005	H5	C2	H6	117.005

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: QCISD/aug-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: QCISD/aug-cc-pVTZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)