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: B3PW91/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-5647.300315
Energy at 298.15K-5647.307385
HF Energy-5647.300315
Nuclear repulsion energy575.622258
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/cc-pVTZ
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' 3187 3065 2.68      
2 A' 1211 1165 19.98      
3 A' 744 716 130.11      
4 A' 573 551 7.29      
5 A' 281 270 0.05      
6 A' 165 159 0.00      
7 A" 1167 1122 36.77      
8 A" 663 638 126.79      
9 A" 199 191 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 4095.4 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 3938.1 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/cc-pVTZ
ABC
0.08294 0.04109 0.02802

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.230 0.596 0.000
H2 -1.161 1.147 0.000
Cl3 1.098 1.751 0.000
Br4 -0.230 -0.493 1.600
Br5 -0.230 -0.493 -1.600

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.08141.76021.93551.9355
H21.08142.33792.47312.4731
Cl31.76022.33793.05913.0591
Br41.93552.47313.05913.2010
Br51.93552.47313.05913.2010

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 108.340 H2 C1 Br4 106.663
H2 C1 Br5 106.663 Cl3 C1 Br4 111.650
Cl3 C1 Br5 111.650 Br4 C1 Br5 111.566
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.103      
2 H 0.163      
3 Cl -0.046      
4 Br -0.007      
5 Br -0.007      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.856 0.495 0.000 0.989
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -54.378 -1.082 0.000
y -1.082 -54.133 0.000
z 0.000 0.000 -54.548
Traceless
 xyz
x -0.038 -1.082 0.000
y -1.082 0.330 0.000
z 0.000 0.000 -0.293
Polar
3z2-r2-0.585
x2-y2-0.245
xy-1.082
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.069 1.503 0.000
y 1.503 8.891 0.000
z 0.000 0.000 10.951


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000