return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2FCl (fluorochloromethane)

using model chemistry: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-599.438128
Energy at 298.15K-599.440770
Nuclear repulsion energy100.705179
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/aug-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 A' 3090 2990 18.71      
2 A' 1498 1449 0.34      
3 A' 1366 1322 28.46      
4 A' 1065 1030 173.36      
5 A' 727 703 102.47      
6 A' 376 364 0.99      
7 A" 3166 3063 4.72      
8 A" 1250 1209 2.41      
9 A" 1003 970 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 6770.1 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 6550.1 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 B3LYP/aug-cc-pVTZ
ABC
1.40006 0.18662 0.17016

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.812 0.000
F2 1.364 0.763 0.000
Cl3 -0.682 -0.844 0.000
H4 -0.339 1.307 0.905
H5 -0.339 1.307 -0.905

Atom - Atom Distances (Å)
  C1 F2 Cl3 H4 H5
C11.36471.79161.08561.0856
F21.36472.60212.00372.0037
Cl31.79162.60212.35872.3587
H41.08562.00372.35871.8100
H51.08562.00372.35871.8100

picture of fluorochloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 110.324 F2 C1 H4 109.185
F2 C1 H5 109.185 Cl3 C1 H4 107.586
Cl3 C1 H5 107.586 H4 C1 H5 112.949
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.020      
2 F -0.371      
3 Cl -0.157      
4 H 0.254      
5 H 0.254      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.978 1.580 0.000 1.858
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.808 -1.437 0.000
y -1.437 -22.583 0.000
z 0.000 0.000 -23.515
Traceless
 xyz
x -3.759 -1.437 0.000
y -1.437 2.578 0.000
z 0.000 0.000 1.181
Polar
3z2-r22.361
x2-y2-4.225
xy-1.437
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.552 0.622 0.000
y 0.622 5.251 0.000
z 0.000 0.000 3.956


<r2> (average value of r2) Å2
<r2> 66.427
(<r2>)1/2 8.150