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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-2710.606545
Energy at 298.15K-2710.611915
HF Energy-2710.606545
Nuclear repulsion energy160.982652
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 B3PW91/6-31G
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' 3154 3020 14.43      
2 A' 1514 1450 0.36      
3 A' 1347 1290 44.97      
4 A' 1054 1010 150.49      
5 A' 595 570 73.47      
6 A' 289 277 1.10      
7 A" 3256 3118 8.68      
8 A" 1227 1175 2.04      
9 A" 935 896 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 6685.7 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 6402.9 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 B3PW91/6-31G
ABC
1.28123 0.11835 0.11072

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.534 -1.145 0.000
F2 -0.602 -1.965 0.000
Br3 0.000 0.776 0.000
H4 1.105 -1.305 0.911
H5 1.105 -1.305 -0.911

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.40091.99391.08661.0866
F21.40092.80662.04362.0436
Br31.99392.80662.52622.5262
H41.08662.04362.52621.8214
H51.08662.04362.52621.8214

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 110.309 F2 C1 H4 109.834
F2 C1 H5 109.834 Br3 C1 H4 106.427
Br3 C1 H5 106.427 H4 C1 H5 113.885
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.202      
2 F -0.298      
3 Br 0.033      
4 H 0.233      
5 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.151 -0.634 0.000 2.243
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.002 -3.644 0.000
y -3.644 -30.635 0.000
z 0.000 0.000 -28.945
Traceless
 xyz
x 0.787 -3.644 0.000
y -3.644 -1.661 0.000
z 0.000 0.000 0.874
Polar
3z2-r21.747
x2-y21.632
xy-3.644
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.387 -0.575 0.000
y -0.575 5.388 0.000
z 0.000 0.000 2.091


<r2> (average value of r2) Å2
<r2> 94.625
(<r2>)1/2 9.728