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All results from a given calculation for CH2F2 (Methane, difluoro-)

using model chemistry: B3LYP/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-239.096523
Energy at 298.15K-239.099346
HF Energy-239.096523
Nuclear repulsion energy76.990097
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 A1 3051 2937 43.68 115.57 0.09 0.16
2 A1 1531 1474 0.56 3.90 0.72 0.84
3 A1 1109 1067 102.40 4.32 0.25 0.40
4 A1 524 504 4.49 1.57 0.68 0.81
5 A2 1270 1223 0.00 7.08 0.75 0.86
6 B1 3121 3005 38.73 44.31 0.75 0.86
7 B1 1182 1138 17.59 1.50 0.75 0.86
8 B2 1459 1404 15.49 2.06 0.75 0.86
9 B2 1075 1035 252.24 2.60 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7160.8 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 6893.0 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
1.64554 0.35026 0.30637

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.505
H2 -0.911 0.000 1.103
H3 0.911 0.000 1.103
F4 0.000 1.106 -0.291
F5 0.000 -1.106 -0.291

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09031.09031.36201.3620
H21.09031.82291.99891.9989
H31.09031.82291.99891.9989
F41.36201.99891.99892.2114
F51.36201.99891.99892.2114

picture of Methane, difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 H3 113.428 H2 C1 F4 108.690
H2 C1 F5 108.690 H3 C1 F4 108.690
H3 C1 F5 108.690 F4 C1 F5 108.553
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 0.222      
2 H 0.108      
3 H 0.108      
4 F -0.219      
5 F -0.219      


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 1.929 1.929
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.347 0.000 0.000
y 0.000 -19.087 0.000
z 0.000 0.000 -15.374
Traceless
 xyz
x 1.884 0.000 0.000
y 0.000 -3.727 0.000
z 0.000 0.000 1.843
Polar
3z2-r23.686
x2-y23.740
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.205 0.000 0.000
y 0.000 2.486 0.000
z 0.000 0.000 2.336


<r2> (average value of r2) Å2
<r2> 39.519
(<r2>)1/2 6.286