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 CH2BrCl (Methane, bromochloro-)

using model chemistry: B2PLYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-3073.064157
Energy at 298.15K-3073.069426
HF Energy-3072.891670
Nuclear repulsion energy218.096620
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 B2PLYP/6-311+G(3df,2p)
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' 3142 3142 2.77      
2 A' 1471 1471 0.06      
3 A' 1266 1266 50.45      
4 A' 745 745 95.51      
5 A' 613 613 29.98      
6 A' 229 229 0.16      
7 A" 3225 3225 1.48      
8 A" 1165 1165 0.00      
9 A" 867 867 2.38      

Unscaled Zero Point Vibrational Energy (zpe) 6360.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6360.8 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 B2PLYP/6-311+G(3df,2p)
ABC
0.98792 0.06998 0.06618

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.026 0.000
Br2 0.839 -0.726 0.000
Cl3 -1.765 0.953 0.000
H4 0.326 1.535 0.896
H5 0.326 1.535 -0.896

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.94281.76681.08091.0809
Br21.94283.09872.48572.4857
Cl31.76683.09872.34822.3482
H41.08092.48572.34821.7929
H51.08092.48572.34821.7929

picture of Methane, bromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 113.212 Br2 C1 H4 107.117
Br2 C1 H5 107.117 Cl3 C1 H4 108.691
Cl3 C1 H5 108.691 H4 C1 H5 112.066
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.231      
2 Br -0.026      
3 Cl -0.161      
4 H 0.209      
5 H 0.209      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.791 1.349 0.000 1.564
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.467 1.285 0.000
y 1.285 -35.650 0.000
z 0.000 0.000 -37.692
Traceless
 xyz
x -2.796 1.285 0.000
y 1.285 2.930 0.000
z 0.000 0.000 -0.134
Polar
3z2-r2-0.268
x2-y2-3.818
xy1.285
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.497 -1.467 0.000
y -1.467 7.561 0.000
z 0.000 0.000 5.864


<r2> (average value of r2) Å2
<r2> 147.840
(<r2>)1/2 12.159