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All results from a given calculation for CH2BrCl (Methane, bromochloro-)

using model chemistry: B3LYP/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-3071.381051
Energy at 298.15K-3071.386294
HF Energy-3071.381051
Nuclear repulsion energy218.082809
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/6-31G(2df,p)
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' 3126 3017 3.73      
2 A' 1450 1399 0.07      
3 A' 1252 1208 51.36      
4 A' 718 693 101.20      
5 A' 616 595 27.90      
6 A' 225 218 0.25      
7 A" 3208 3096 0.17      
8 A" 1144 1104 0.00      
9 A" 858 828 2.23      

Unscaled Zero Point Vibrational Energy (zpe) 6299.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 6079.0 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/6-31G(2df,p)
ABC
0.98379 0.06994 0.06613

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.017 0.000
Br2 0.848 -0.714 0.000
Cl3 -1.783 0.929 0.000
H4 0.310 1.542 0.898
H5 0.310 1.542 -0.898

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.92691.78511.08601.0860
Br21.92693.10182.48712.4871
Cl31.78513.10182.35842.3584
H41.08602.48712.35841.7967
H51.08602.48712.35841.7967

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 113.309 Br2 C1 H4 108.002
Br2 C1 H5 108.002 Cl3 C1 H4 107.974
Cl3 C1 H5 107.974 H4 C1 H5 111.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.302      
2 Br 0.026      
3 Cl -0.112      
4 H 0.194      
5 H 0.194      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.919 1.297 0.000 1.589
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.845 1.327 0.000
y 1.327 -34.750 0.000
z 0.000 0.000 -36.758
Traceless
 xyz
x -3.091 1.327 0.000
y 1.327 3.052 0.000
z 0.000 0.000 0.039
Polar
3z2-r20.078
x2-y2-4.096
xy1.327
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.571 -1.391 0.000
y -1.391 6.444 0.000
z 0.000 0.000 4.816


<r2> (average value of r2) Å2
<r2> 147.456
(<r2>)1/2 12.143