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

using model chemistry: B3LYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/Def2TZVPP
 hartrees
Energy at 0K-277.176732
Energy at 298.15K-277.179012
HF Energy-277.176732
Nuclear repulsion energy111.040636
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3226 3105 0.00      
2 Ag 1749 1684 0.00      
3 Ag 1313 1264 0.00      
4 Ag 1148 1105 0.00      
5 Ag 557 536 0.00      
6 Au 913 879 73.93      
7 Au 337 325 4.02      
8 Bg 833 802 0.00      
9 Bu 3220 3099 13.33      
10 Bu 1299 1250 14.83      
11 Bu 1166 1123 317.05      
12 Bu 320 308 12.17      

Unscaled Zero Point Vibrational Energy (zpe) 8040.6 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 7739.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/Def2TZVPP
ABC
1.92989 0.13391 0.12522

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.330 0.573 0.000
C2 0.330 -0.573 0.000
F3 0.330 1.742 0.000
F4 -0.330 -1.742 0.000
H5 -1.406 0.667 0.000
H6 1.406 -0.667 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 H5 H6
C11.32201.34222.31501.08072.1332
C21.32202.31501.34222.13321.0807
F31.34222.31503.54592.04192.6386
F42.31501.34223.54592.63862.0419
H51.08072.13322.04192.63863.1127
H62.13321.08072.63862.04193.1127

picture of Ethene, 1,2-difluoro-, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 120.669 C1 C2 H6 124.898
C2 C1 F3 120.669 C2 C1 H5 124.898
F3 C1 H5 114.433 F4 C2 H6 114.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.085      
2 C 0.085      
3 F -0.201      
4 F -0.201      
5 H 0.116      
6 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.163 -2.500 0.000
y -2.500 -25.844 0.000
z 0.000 0.000 -22.555
Traceless
 xyz
x 5.037 -2.500 0.000
y -2.500 -4.985 0.000
z 0.000 0.000 -0.051
Polar
3z2-r2-0.103
x2-y26.681
xy-2.500
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.763 -0.467 0.000
y -0.467 5.006 0.000
z 0.000 0.000 2.681


<r2> (average value of r2) Å2
<r2> 80.652
(<r2>)1/2 8.981