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	hartrees
Energy at 0K	-78.065331
Energy at 298.15K	-78.068583
HF Energy	-78.065331
Nuclear repulsion energy	33.751322

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A_g	3292	2978	0.00	180.10	0.13	0.23
2	A_g	1815	1641	0.00	60.45	0.02	0.04
3	A_g	1473	1333	0.00	61.63	0.18	0.31
4	A_u	1139	1030	0.00	0.00	0.75	0.86
5	B_1u	3270	2958	19.53	0.00	0.00	0.00
6	B_1u	1590	1438	12.20	0.00	0.00	0.00
7	B_2g	1103	998	0.00	8.08	0.75	0.86
8	B_2u	3371	3050	25.72	0.00	0.00	0.00
9	B_2u	890	805	0.01	0.00	0.00	0.00
10	B_3g	3343	3024	0.00	114.99	0.75	0.86
11	B_3g	1344	1215	0.00	0.23	0.75	0.86
12	B_3u	1084	981	116.96	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.657
C2	0.000	-0.657
H3	0.915	1.221
H4	-0.915	1.221
H5	-0.915	-1.221
H6	0.915	-1.221

	C1	C2	H3	H4	H5	H6
C1		1.3147	1.0742	1.0742	2.0891	2.0891
C2	1.3147		2.0891	2.0891	1.0742	1.0742
H3	1.0742	2.0891		1.8290	3.0509	2.4418
H4	1.0742	2.0891	1.8290		2.4418	3.0509
H5	2.0891	1.0742	3.0509	2.4418		1.8290
H6	2.0891	1.0742	2.4418	3.0509	1.8290

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.642	C1	C2	H6	121.642
C2	C1	H3	121.642	C2	C1	H4	121.642
H3	C1	H4	116.717	H5	C2	H6	116.717

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: HF/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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Number	Element	Mulliken
1	C	-1.341
2	C	-1.341
3	H	0.671
4	H	0.671
5	H	0.671
6	H	0.671

<r²>	22.928
(<r²>)^1/2	4.788

All results from a given calculation for C2H4 (Ethylene)

using model chemistry: HF/daug-cc-pVTZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)