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 CHClBr2 (Methane, dibromochloro-)

using model chemistry: B3LYP/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-5647.301816
Energy at 298.15K-5647.308830
HF Energy-5647.301816
Nuclear repulsion energy571.758866
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/Def2TZVPP
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' 3188 3069 2.85      
2 A' 1213 1168 20.92      
3 A' 721 694 127.20      
4 A' 560 539 8.85      
5 A' 276 266 0.06      
6 A' 163 157 0.01      
7 A" 1166 1122 37.95      
8 A" 632 608 127.37      
9 A" 197 190 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 4058.0 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 3906.2 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/Def2TZVPP
ABC
0.08211 0.04044 0.02763

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.228 0.596 0.000
H2 -1.160 1.141 0.000
Cl3 1.090 1.773 0.000
Br4 -0.228 -0.498 1.620
Br5 -0.228 -0.498 -1.620

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.07971.76701.95491.9549
H21.07972.33682.48612.4861
Cl31.76702.33683.08523.0852
Br41.95492.48613.08523.2405
Br51.95492.48613.08523.2405

picture of Methane, dibromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Cl3 107.898 H2 C1 Br4 106.421
H2 C1 Br5 106.421 Cl3 C1 Br4 111.878
Cl3 C1 Br5 111.878 Br4 C1 Br5 111.953
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.074      
2 H 0.196      
3 Cl -0.051      
4 Br -0.036      
5 Br -0.036      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.806 0.529 0.000 0.964
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -54.711 -1.043 0.000
y -1.043 -54.465 0.000
z 0.000 0.000 -55.037
Traceless
 xyz
x 0.040 -1.043 0.000
y -1.043 0.409 0.000
z 0.000 0.000 -0.449
Polar
3z2-r2-0.898
x2-y2-0.246
xy-1.043
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.618 1.466 0.000
y 1.466 9.412 0.000
z 0.000 0.000 11.523


<r2> (average value of r2) Å2
<r2> 315.783
(<r2>)1/2 17.770