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

using model chemistry: BLYP/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 BLYP/daug-cc-pVDZ
 hartrees
Energy at 0K-238.984282
Energy at 298.15K-238.987033
HF Energy-238.984282
Nuclear repulsion energy75.495595
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 BLYP/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 2976 2976 40.31 131.61 0.07 0.13
2 A1 1445 1445 0.06 3.61 0.73 0.84
3 A1 1029 1029 88.70 7.65 0.14 0.24
4 A1 485 485 3.62 1.46 0.60 0.75
5 A2 1200 1200 0.00 4.72 0.75 0.86
6 B1 3059 3059 29.57 50.01 0.75 0.86
7 B1 1117 1117 12.12 0.73 0.75 0.86
8 B2 1367 1367 6.63 0.98 0.75 0.86
9 B2 972 972 261.50 2.42 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6824.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6824.4 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 BLYP/daug-cc-pVDZ
ABC
1.58501 0.33639 0.29439

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.517
H2 -0.930 0.000 1.113
H3 0.930 0.000 1.113
F4 0.000 1.128 -0.296
F5 0.000 -1.128 -0.296

Atom - Atom Distances (Å)
  C1 H2 H3 F4 F5
C11.10461.10461.39101.3910
H21.10461.86022.03092.0309
H31.10461.86022.03092.0309
F41.39102.03092.03092.2566
F51.39102.03092.03092.2566

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 114.713 H2 C1 F4 108.390
H2 C1 F5 108.390 H3 C1 F4 108.390
H3 C1 F5 108.390 F4 C1 F5 108.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.892      
2 H -0.398      
3 H -0.398      
4 F -0.548      
5 F -0.548      


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 1.978 1.978
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.664 0.000 0.000
y 0.000 -19.600 0.000
z 0.000 0.000 -15.724
Traceless
 xyz
x 1.998 0.000 0.000
y 0.000 -3.907 0.000
z 0.000 0.000 1.909
Polar
3z2-r23.817
x2-y23.936
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.725 0.000 0.000
y 0.000 3.154 0.000
z 0.000 0.000 2.900


<r2> (average value of r2) Å2
<r2> 40.923
(<r2>)1/2 6.397