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

using model chemistry: B3PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-3040.009363
Energy at 298.15K-3040.014597
HF Energy-3040.009363
Nuclear repulsion energy215.007745
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/STO-3G
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' 3347 2962 0.11      
2 A' 1595 1412 0.27      
3 A' 1354 1198 42.77      
4 A' 839 742 86.44      
5 A' 704 623 12.77      
6 A' 238 211 1.64      
7 A" 3475 3075 0.15      
8 A" 1239 1096 0.06      
9 A" 901 797 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 6845.6 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 6058.4 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/STO-3G
ABC
0.97794 0.06739 0.06383

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.998 0.000
Br2 0.878 -0.705 0.000
Cl3 -1.841 0.914 0.000
H4 0.283 1.569 0.904
H5 0.283 1.569 -0.904

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.91621.84331.10591.1059
Br21.91623.16482.51822.5182
Cl31.84333.16482.39952.3995
H41.10592.51822.39951.8089
H51.10592.51822.39951.8089

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 114.648 Br2 C1 H4 109.952
Br2 C1 H5 109.952 Cl3 C1 H4 106.193
Cl3 C1 H5 106.193 H4 C1 H5 109.733
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.167      
2 Br 0.049      
3 Cl -0.140      
4 H 0.129      
5 H 0.129      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.691 1.010 0.000 1.970
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.791 1.948 0.000
y 1.948 -32.863 0.000
z 0.000 0.000 -33.860
Traceless
 xyz
x -4.429 1.948 0.000
y 1.948 2.962 0.000
z 0.000 0.000 1.467
Polar
3z2-r22.935
x2-y2-4.927
xy1.948
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.396 -1.158 0.000
y -1.158 2.500 0.000
z 0.000 0.000 0.913


<r2> (average value of r2) Å2
<r2> 150.669
(<r2>)1/2 12.275