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

using model chemistry: B1B95/daug-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 B1B95/daug-cc-pVDZ
 hartrees
Energy at 0K-238.953744
Energy at 298.15K-238.956573
HF Energy-238.953744
Nuclear repulsion energy77.073939
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 B1B95/daug-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 3089 3089 41.35 121.65 0.07 0.12
2 A1 1503 1503 0.09 3.28 0.73 0.84
3 A1 1124 1124 100.94 6.38 0.14 0.24
4 A1 522 522 4.99 1.14 0.62 0.76
5 A2 1258 1258 0.00 4.39 0.75 0.86
6 B1 3173 3173 28.71 42.69 0.75 0.86
7 B1 1168 1168 15.16 0.57 0.75 0.86
8 B2 1428 1428 11.04 0.75 0.75 0.86
9 B2 1101 1101 260.56 2.50 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7182.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7182.7 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 B1B95/daug-cc-pVDZ
ABC
1.63836 0.35217 0.30782

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.506
H2 -0.918 0.000 1.103
H3 0.918 0.000 1.103
F4 0.000 1.102 -0.291
F5 0.000 -1.102 -0.291

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.09511.09511.36001.3600
H21.09511.83512.00042.0004
H31.09511.83512.00042.0004
F41.36002.00042.00042.2047
F51.36002.00042.00042.2047

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 113.826 H2 C1 F4 108.648
H2 C1 F5 108.648 H3 C1 F4 108.648
H3 C1 F5 108.648 F4 C1 F5 108.292
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.756      
2 H -0.259      
3 H -0.259      
4 F -0.619      
5 F -0.619      


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 1.965 1.965
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.290 0.000 0.000
y 0.000 -19.126 0.000
z 0.000 0.000 -15.370
Traceless
 xyz
x 1.958 0.000 0.000
y 0.000 -3.796 0.000
z 0.000 0.000 1.838
Polar
3z2-r23.676
x2-y23.836
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.515 0.000 0.000
y 0.000 2.809 0.000
z 0.000 0.000 2.643


<r2> (average value of r2) Å2
<r2> 39.415
(<r2>)1/2 6.278