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/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-5647.219614
Energy at 298.15K-5647.226622
HF Energy-5647.219614
Nuclear repulsion energy568.742052
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/cc-pVDZ
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' 3185 3090 1.23      
2 A' 1190 1154 24.00      
3 A' 720 699 143.59      
4 A' 556 539 9.83      
5 A' 275 267 0.07      
6 A' 164 159 0.01      
7 A" 1147 1113 42.48      
8 A" 629 610 141.60      
9 A" 197 191 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 4031.2 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 3910.3 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/cc-pVDZ
ABC
0.08103 0.04008 0.02735

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.233 0.601 0.000
H2 -1.172 1.158 0.000
Cl3 1.109 1.773 0.000
Br4 -0.233 -0.499 1.621
Br5 -0.233 -0.499 -1.621

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.09221.78171.95811.9581
H21.09222.36262.50042.5004
Cl31.78172.36263.09603.0960
Br41.95812.50043.09603.2410
Br51.95812.50043.09603.2410

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 108.187 H2 C1 Br4 106.642
H2 C1 Br5 106.642 Cl3 C1 Br4 111.669
Cl3 C1 Br5 111.669 Br4 C1 Br5 111.707
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.199      
2 H 0.148      
3 Cl -0.000      
4 Br 0.026      
5 Br 0.026      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.908 0.435 0.000 1.007
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -54.233 -1.082 0.000
y -1.082 -53.923 0.000
z 0.000 0.000 -53.990
Traceless
 xyz
x -0.277 -1.082 0.000
y -1.082 0.189 0.000
z 0.000 0.000 0.088
Polar
3z2-r20.176
x2-y2-0.310
xy-1.082
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.627 1.544 0.000
y 1.544 7.516 0.000
z 0.000 0.000 9.547


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