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	hartrees
Energy at 0K	-275.701326
Energy at 298.15K	-275.703841
Nuclear repulsion energy	112.507533

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3504	3153	9.81
2	A₁	1921	1729	36.36
3	A₁	1376	1238	28.92
4	A₁	1036	933	81.46
5	A₁	250	225	4.37
6	A₂	1050	945	0.00
7	A₂	536	483	0.00
8	B₁	887	798	58.42
9	B₂	3472	3125	6.25
10	B₂	1487	1339	22.65
11	B₂	1161	1045	137.95
12	B₂	795	715	36.94

Atom	y (Å)	z (Å)
C1	0.658	0.594
C2	-0.658	0.594
F3	1.396	-0.560
F4	-1.396	-0.560
H5	1.252	1.480
H6	-1.252	1.480

	C1	C2	F3	F4	H5	H6
C1		1.3165	1.3692	2.3557	1.0674	2.1064
C2	1.3165		2.3557	1.3692	2.1064	1.0674
F3	1.3692	2.3557		2.7913	2.0456	3.3430
F4	2.3557	1.3692	2.7913		3.3430	2.0456
H5	1.0674	2.1064	2.0456	3.3430		2.5046
H6	2.1064	1.0674	3.3430	2.0456	2.5046

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	122.586	C1	C2	H6	123.817
C2	C1	F3	122.586	C2	C1	H5	123.817
F3	C1	H5	113.597	F4	C2	H6	113.597

All results from a given calculation for C₂H₂F₂ (Ethene, 1,2-difluoro-, (Z)-)

using model chemistry: HF/LANL2DZ

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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Calc. vs exp. Bad Vib. HF vs MP2 Bad scale factors Low excited states Oddities NaCN Is not linear FAQ Help Units Choose Units Energy Bond length Rotational Constant Moment of Inertia Dipole and Quadrupole Polarizability Explanations Hartree cm-1 Debye Credits Just show me Show me a calculated geometry Summary Using older interface Limit Basis sets Method options List Recent molecules Choose a few Molecules Number of atoms By heavy atoms Diatomics InChI Deuterated Dimers Geometry Point group Point group count Bonds types Isodesmic reactions Bad point group Multiple conformers, states Vibrations Big anharmonicity Energy Enthalpy at 0 Kelvin Similar molecules Similar Isomers Cis/trans Tautomers Multiple conformers, states Ions, Dipoles, etc. List Ions Ionization changes point group Dipole Quadrupole Polarizability Proton Affinities Index of CCCBDB Feedback Error form Wants
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Number	Element	Mulliken
1	C	0.105
2	C	0.105
3	F	-0.325
4	F	-0.325
5	H	0.220
6	H	0.220

	x	y	z	Total
	0.000	0.000	3.843	3.843
CHELPG
AIM
ESP

<r²>	0.000
(<r²>)^1/2	0.000

All results from a given calculation for C2H2F2 (Ethene, 1,2-difluoro-, (Z)-)

using model chemistry: HF/LANL2DZ

States and conformations

All results from a given calculation for C₂H₂F₂ (Ethene, 1,2-difluoro-, (Z)-)