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

using model chemistry: B3LYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-277.090626
Energy at 298.15K-277.093008
Nuclear repulsion energy112.978575
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3253 3157 4.09      
2 A1 1763 1711 63.90      
3 A1 1268 1231 36.23      
4 A1 1005 975 69.61      
5 A1 234 227 2.02      
6 A2 857 831 0.00      
7 A2 508 493 0.00      
8 B1 769 746 48.88      
9 B2 3231 3135 5.99      
10 B2 1371 1331 26.36      
11 B2 1119 1086 130.14      
12 B2 764 741 32.50      

Unscaled Zero Point Vibrational Energy (zpe) 8070.4 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 7831.5 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/aug-cc-pVDZ
ABC
0.70080 0.19321 0.15145

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 0.582
C2 0.000 -0.665 0.582
F3 0.000 1.391 -0.554
F4 0.000 -1.391 -0.554
H5 0.000 1.256 1.495
H6 0.000 -1.256 1.495

Atom - Atom Distances (Å)
  C1 C2 F3 F4 H5 H6
C11.32951.34842.34851.08772.1266
C21.32952.34851.34842.12661.0877
F31.34842.34852.78102.05383.3472
F42.34851.34842.78103.34722.0538
H51.08772.12662.05383.34722.5118
H62.12661.08773.34722.05382.5118

picture of Ethene, 1,2-difluoro-, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 122.563 C1 C2 H6 122.924
C2 C1 F3 122.563 C2 C1 H5 122.924
F3 C1 H5 114.512 F4 C2 H6 114.512
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.841      
2 C 0.841      
3 F -0.433      
4 F -0.433      
5 H -0.409      
6 H -0.409      


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 2.387 2.387
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.802 0.000 0.000
y 0.000 -22.515 0.000
z 0.000 0.000 -20.300
Traceless
 xyz
x -1.394 0.000 0.000
y 0.000 -0.964 0.000
z 0.000 0.000 2.358
Polar
3z2-r24.717
x2-y2-0.286
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.167 0.000 0.000
y 0.000 5.448 0.000
z 0.000 0.000 4.084


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000