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 CH2BrCl (Methane, bromochloro-)

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-3073.016686
Energy at 298.15K-3073.021873
HF Energy-3073.016686
Nuclear repulsion energy216.025684
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/aug-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' 3050 3032 3.14      
2 A' 1354 1345 0.07      
3 A' 1176 1168 42.12      
4 A' 706 701 104.27      
5 A' 585 582 43.97      
6 A' 218 217 0.16      
7 A" 3145 3126 1.06      
8 A" 1088 1081 0.00      
9 A" 816 811 2.85      

Unscaled Zero Point Vibrational Energy (zpe) 6068.7 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 6031.7 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/aug-cc-pVDZ
ABC
0.96816 0.06868 0.06497

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.034 0.000
Br2 0.848 -0.731 0.000
Cl3 -1.785 0.958 0.000
H4 0.325 1.548 0.916
H5 0.325 1.548 -0.916

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.95791.78621.09951.0995
Br21.95793.12812.51132.5113
Cl31.78623.12812.37432.3743
H41.09952.51132.37431.8315
H51.09952.51132.37431.8315

picture of Methane, bromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 113.250 Br2 C1 H4 107.081
Br2 C1 H5 107.081 Cl3 C1 H4 108.368
Cl3 C1 H5 108.368 H4 C1 H5 112.783
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.229      
2 Br 0.255      
3 Cl -0.014      
4 H -0.006      
5 H -0.006      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.790 1.347 0.000 1.562
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.402 1.242 0.000
y 1.242 -35.502 0.000
z 0.000 0.000 -37.626
Traceless
 xyz
x -2.838 1.242 0.000
y 1.242 3.011 0.000
z 0.000 0.000 -0.174
Polar
3z2-r2-0.348
x2-y2-3.899
xy1.242
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.951 -1.615 0.000
y -1.615 7.866 0.000
z 0.000 0.000 6.024


<r2> (average value of r2) Å2
<r2> 150.152
(<r2>)1/2 12.254