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	hartrees
Energy at 0K	-78.625637
Energy at 298.15K	-78.628812
HF Energy	-78.625637
Nuclear repulsion energy	33.435715

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	3139	3139	0.00	220.62	0.13	0.23
2	A_g	1690	1690	0.00	16.72	0.02	0.03
3	A_g	1385	1385	0.00	37.34	0.29	0.45
4	A_u	1069	1069	0.00	0.00	0.00	0.00
5	B_1u	3123	3123	19.81	0.00	0.00	0.00
6	B_1u	1484	1484	8.09	0.00	0.00	0.00
7	B_2g	976	976	0.00	1.99	0.75	0.86
8	B_2u	3224	3224	26.37	0.00	0.00	0.00
9	B_2u	824	824	0.13	0.00	0.00	0.00
10	B_3g	3195	3195	0.00	122.95	0.75	0.86
11	B_3g	1249	1249	0.00	0.39	0.75	0.86
12	B_3u	984	984	95.75	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	0.664
C2	0.000	-0.664
H3	0.922	1.234
H4	-0.922	1.234
H5	-0.922	-1.234
H6	0.922	-1.234

	C1	C2	H3	H4	H5	H6
C1		1.3271	1.0842	1.0842	2.1095	2.1095
C2	1.3271		2.1095	2.1095	1.0842	1.0842
H3	1.0842	2.1095		1.8443	3.0806	2.4674
H4	1.0842	2.1095	1.8443		2.4674	3.0806
H5	2.1095	1.0842	3.0806	2.4674		1.8443
H6	2.1095	1.0842	2.4674	3.0806	1.8443

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.728	C1	C2	H6	121.728
C2	C1	H3	121.728	C2	C1	H4	121.728
H3	C1	H4	116.543	H5	C2	H6	116.543

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: TPSSh/Def2TZVPP

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	-0.141
2	C	-0.141
3	H	0.070
4	H	0.070
5	H	0.070
6	H	0.070

<r²>	23.119
(<r²>)^1/2	4.808

All results from a given calculation for C2H4 (Ethylene)

using model chemistry: TPSSh/Def2TZVPP

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)