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: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-5642.296904
Energy at 298.15K-5642.303919
HF Energy-5642.296904
Nuclear repulsion energy570.747862
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 B3LYPultrafine/6-31G*
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' 3218 3083 0.92      
2 A' 1232 1180 29.01      
3 A' 726 696 140.66      
4 A' 560 537 9.99      
5 A' 277 265 0.09      
6 A' 169 162 0.00      
7 A" 1170 1121 45.55      
8 A" 633 606 133.52      
9 A" 200 192 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 4092.7 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 3920.8 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 B3LYPultrafine/6-31G*
ABC
0.08109 0.04056 0.02758

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.234 0.611 0.000
H2 -1.166 1.163 0.000
Cl3 1.115 1.767 0.000
Br4 -0.234 -0.498 1.611
Br5 -0.234 -0.498 -1.611

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.08371.77651.95531.9553
H21.08372.35962.49452.4945
Cl31.77652.35963.08903.0890
Br41.95532.49453.08903.2212
Br51.95532.49453.08903.2212

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 108.745 H2 C1 Br4 106.805
H2 C1 Br5 106.805 Cl3 C1 Br4 111.651
Cl3 C1 Br5 111.651 Br4 C1 Br5 110.920
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.272      
2 H 0.267      
3 Cl 0.049      
4 Br -0.022      
5 Br -0.022      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.969 0.443 0.000 1.066
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -54.291 -1.276 0.000
y -1.276 -53.924 0.000
z 0.000 0.000 -54.078
Traceless
 xyz
x -0.290 -1.276 0.000
y -1.276 0.260 0.000
z 0.000 0.000 0.029
Polar
3z2-r20.059
x2-y2-0.366
xy-1.276
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.238 1.491 0.000
y 1.491 7.904 0.000
z 0.000 0.000 9.755


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