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: TPSSh/aug-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 TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-3073.676820
Energy at 298.15K-3073.682046
HF Energy-3073.676820
Nuclear repulsion energy217.385383
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 TPSSh/aug-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' 3123 3015 3.10      
2 A' 1454 1403 0.01      
3 A' 1243 1199 51.96      
4 A' 715 691 102.39      
5 A' 594 573 42.87      
6 A' 219 212 0.21      
7 A" 3208 3097 0.96      
8 A" 1141 1102 0.00      
9 A" 853 823 2.05      

Unscaled Zero Point Vibrational Energy (zpe) 6275.4 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 6057.0 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 TPSSh/aug-cc-pVTZ
ABC
0.98430 0.06945 0.06570

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.027 0.000
Br2 0.843 -0.727 0.000
Cl3 -1.774 0.954 0.000
H4 0.322 1.533 0.901
H5 0.322 1.533 -0.901

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.94661.77571.08261.0826
Br21.94663.11082.48862.4886
Cl31.77573.11082.35442.3544
H41.08262.48862.35441.8024
H51.08262.48862.35441.8024

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 113.304 Br2 C1 H4 106.994
Br2 C1 H5 106.994 Cl3 C1 H4 108.466
Cl3 C1 H5 108.466 H4 C1 H5 112.700
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.110      
2 Br -0.031      
3 Cl -0.208      
4 H 0.174      
5 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.802 1.379 0.000 1.595
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.848 -1.508 0.000
y -1.508 7.815 0.000
z 0.000 0.000 6.099


<r2> (average value of r2) Å2
<r2> 148.501
(<r2>)1/2 12.186