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

using model chemistry: HSEh1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-238.861940
Energy at 298.15K-238.864788
HF Energy-238.861940
Nuclear repulsion energy77.456714
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 HSEh1PBE/cc-pVTZ
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 3055 2936 47.02 116.37 0.09 0.16
2 A1 1534 1475 0.55 4.44 0.70 0.83
3 A1 1141 1097 102.63 3.47 0.29 0.44
4 A1 536 515 4.53 1.48 0.69 0.81
5 A2 1279 1229 0.00 7.02 0.75 0.86
6 B1 3125 3003 44.68 45.03 0.75 0.86
7 B1 1191 1144 18.17 1.43 0.75 0.86
8 B2 1465 1408 17.39 2.16 0.75 0.86
9 B2 1125 1081 240.15 2.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7225.1 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 6944.1 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 HSEh1PBE/cc-pVTZ
ABC
1.66420 0.35478 0.31042

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.499
H2 -0.910 0.000 1.103
H3 0.910 0.000 1.103
F4 0.000 1.098 -0.289
F5 0.000 -1.098 -0.289

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09251.09251.35161.3516
H21.09251.82031.99311.9931
H31.09251.82031.99311.9931
F41.35161.99311.99312.1969
F51.35161.99311.99312.1969

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 112.827 H2 C1 F4 108.804
H2 C1 F5 108.804 H3 C1 F4 108.804
H3 C1 F5 108.804 F4 C1 F5 108.721
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.324      
2 H 0.033      
3 H 0.033      
4 F -0.195      
5 F -0.195      


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 1.824 1.824
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.188 0.000 0.000
y 0.000 -18.680 0.000
z 0.000 0.000 -15.176
Traceless
 xyz
x 1.740 0.000 0.000
y 0.000 -3.498 0.000
z 0.000 0.000 1.758
Polar
3z2-r23.516
x2-y23.492
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.118 0.000 0.000
y 0.000 2.331 0.000
z 0.000 0.000 2.224


<r2> (average value of r2) Å2
<r2> 39.013
(<r2>)1/2 6.246