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All results from a given calculation for CH2BrF (Methane, bromofluoro-)

using model chemistry: B3LYP/3-21G

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/3-21G
 hartrees
Energy at 0K-2700.175352
Energy at 298.15K-2700.180731
HF Energy-2700.175352
Nuclear repulsion energy159.685285
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/3-21G
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' 3117 3007 20.41      
2 A' 1552 1497 0.29      
3 A' 1357 1310 57.69      
4 A' 1096 1057 137.97      
5 A' 601 580 64.28      
6 A' 282 273 1.27      
7 A" 3194 3082 18.26      
8 A" 1247 1203 1.33      
9 A" 937 904 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 6690.4 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 6455.6 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/3-21G
ABC
1.29481 0.11575 0.10850

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.526 -1.169 0.000
F2 -0.598 -1.984 0.000
Br3 0.000 0.785 0.000
H4 1.115 -1.307 0.904
H5 1.115 -1.307 -0.904

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.38832.02401.08781.0878
F21.38832.83362.05212.0521
Br32.02402.83362.53712.5371
H41.08782.05212.53711.8079
H51.08782.05212.53711.8079

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 110.905 F2 C1 H4 111.366
F2 C1 H5 111.366 Br3 C1 H4 105.232
Br3 C1 H5 105.232 H4 C1 H5 112.399
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.250      
2 F -0.261      
3 Br 0.021      
4 H 0.245      
5 H 0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.853 -0.770 0.000 2.007
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.773 -3.093 0.000
y -3.093 -29.878 0.000
z 0.000 0.000 -28.853
Traceless
 xyz
x 0.593 -3.093 0.000
y -3.093 -1.065 0.000
z 0.000 0.000 0.472
Polar
3z2-r20.944
x2-y21.105
xy-3.093
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.217 -0.601 0.000
y -0.601 5.282 0.000
z 0.000 0.000 1.958


<r2> (average value of r2) Å2
<r2> 95.862
(<r2>)1/2 9.791