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

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-55.181837
Energy at 298.15K-55.184584
HF Energy-55.181837
Nuclear repulsion energy43.518548
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/CEP-121G
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 3059 2981 40.27 109.07 0.11 0.19
2 A1 1502 1464 0.33 7.65 0.75 0.85
3 A1 1020 994 87.09 8.00 0.17 0.29
4 A1 463 451 7.52 3.10 0.70 0.82
5 A2 1214 1183 0.00 14.95 0.75 0.86
6 B1 3170 3089 38.17 43.01 0.75 0.86
7 B1 1129 1100 15.42 4.01 0.75 0.86
8 B2 1435 1398 19.78 6.81 0.75 0.86
9 B2 1005 979 224.91 4.91 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6998.4 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 6819.9 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/CEP-121G
ABC
1.53503 0.32460 0.28347

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.534
H2 -0.925 0.000 1.118
H3 0.925 0.000 1.118
F4 0.000 1.150 -0.302
F5 0.000 -1.150 -0.302

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09331.09331.42161.4216
H21.09331.84922.04752.0475
H31.09331.84922.04752.0475
F41.42162.04752.04752.2991
F51.42162.04752.04752.2991

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 115.489 H2 C1 F4 108.299
H2 C1 F5 108.299 H3 C1 F4 108.299
H3 C1 F5 108.299 F4 C1 F5 107.925
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.114      
2 H 0.163      
3 H 0.163      
4 F -0.220      
5 F -0.220      


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 2.635 2.635
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.137 0.000 0.000
y 0.000 -20.347 0.000
z 0.000 0.000 -15.177
Traceless
 xyz
x 2.625 0.000 0.000
y 0.000 -5.190 0.000
z 0.000 0.000 2.565
Polar
3z2-r25.130
x2-y25.210
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.769 0.000 0.000
y 0.000 2.211 0.000
z 0.000 0.000 1.963


<r2> (average value of r2) Å2
<r2> 35.676
(<r2>)1/2 5.973