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 CHBrCl2 (Methane, bromodichloro-)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-3532.542016
Energy at 298.15K 
HF Energy-3532.542016
Nuclear repulsion energy391.547708
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 PBEPBEultrafine/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' 3103 3082 0.96 63.73 0.21 0.35
2 A' 1140 1132 30.08 3.83 0.56 0.71
3 A' 681 676 130.92 3.09 0.49 0.65
4 A' 580 576 39.40 10.23 0.05 0.10
5 A' 319 317 0.15 8.75 0.20 0.33
6 A' 210 209 0.13 5.40 0.54 0.70
7 A" 1182 1174 15.54 3.38 0.75 0.86
8 A" 712 707 165.31 1.54 0.75 0.86
9 A" 204 203 0.00 4.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4065.0 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 4037.0 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 PBEPBEultrafine/cc-pVTZ
ABC
0.10755 0.05946 0.03933

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.676 -0.145 0.000
H2 -1.585 0.455 0.000
Br3 0.818 1.123 0.000
Cl4 -0.676 -1.144 1.469
Cl5 -0.676 -1.144 -1.469

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.08941.95921.77641.7764
H21.08942.49362.35422.3542
Br31.95922.49363.08663.0866
Cl41.77642.35423.08662.9379
Cl51.77642.35423.08662.9379

picture of Methane, bromodichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 106.228 H2 C1 Cl4 108.053
H2 C1 Cl5 108.053 Br3 C1 Cl4 111.342
Br3 C1 Cl5 111.342 Cl4 C1 Cl5 111.566
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.066      
2 H 0.157      
3 Br -0.009      
4 Cl -0.041      
5 Cl -0.041      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.872 0.520 0.000 1.015
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.531 -0.352 0.000
y -0.352 -49.422 0.000
z 0.000 0.000 -49.763
Traceless
 xyz
x 2.061 -0.352 0.000
y -0.352 -0.776 0.000
z 0.000 0.000 -1.286
Polar
3z2-r2-2.572
x2-y21.891
xy-0.352
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.133 2.044 0.000
y 2.044 8.693 0.000
z 0.000 0.000 8.938


<r2> (average value of r2) Å2
<r2> 237.055
(<r2>)1/2 15.397