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 CH2BrF (Methane, bromofluoro-)

using model chemistry: BLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-311G**
 hartrees
Energy at 0K-2713.300869
Energy at 298.15K-2713.306204
HF Energy-2713.300869
Nuclear repulsion energy161.178374
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/6-311G**
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' 3011 2999 19.53      
2 A' 1453 1447 0.53      
3 A' 1279 1274 52.85      
4 A' 1026 1022 195.88      
5 A' 571 569 77.90      
6 A' 285 283 1.00      
7 A" 3096 3084 10.67      
8 A" 1206 1201 2.78      
9 A" 896 893 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 6411.3 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 6386.3 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/6-311G**
ABC
1.31517 0.11813 0.11081

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.521 -1.155 0.000
F2 -0.591 -1.963 0.000
Br3 0.000 0.778 0.000
H4 1.097 -1.311 0.917
H5 1.097 -1.311 -0.917

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.37452.00221.09381.0938
F21.37452.80332.02892.0289
Br32.00222.80332.53122.5312
H41.09382.02892.53121.8334
H51.09382.02892.53121.8334

picture of Methane, bromofluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 110.867 F2 C1 H4 110.050
F2 C1 H5 110.050 Br3 C1 H4 105.926
Br3 C1 H5 105.926 H4 C1 H5 113.876
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.015      
2 F -0.198      
3 Br -0.085      
4 H 0.149      
5 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.696 -0.808 0.000 1.878
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.431 -3.078 0.000
y -3.078 -29.923 0.000
z 0.000 0.000 -29.461
Traceless
 xyz
x 0.261 -3.078 0.000
y -3.078 -0.477 0.000
z 0.000 0.000 0.216
Polar
3z2-r20.432
x2-y20.492
xy-3.078
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.315 -0.528 0.000
y -0.528 6.106 0.000
z 0.000 0.000 3.063


<r2> (average value of r2) Å2
<r2> 94.637
(<r2>)1/2 9.728