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All results from a given calculation for CH2BrCl (Methane, bromochloro-)

using model chemistry: TPSSh/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-3071.260823
Energy at 298.15K-3071.266068
HF Energy-3071.260823
Nuclear repulsion energy218.891490
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/6-31G(2df,p)
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' 3126 3016 4.06      
2 A' 1458 1407 0.11      
3 A' 1248 1205 51.44      
4 A' 719 694 105.46      
5 A' 622 600 30.76      
6 A' 224 216 0.30      
7 A" 3211 3098 0.14      
8 A" 1144 1104 0.00      
9 A" 858 828 2.16      

Unscaled Zero Point Vibrational Energy (zpe) 6304.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 6083.6 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/6-31G(2df,p)
ABC
0.98549 0.07054 0.06668

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.013 0.000
Br2 0.847 -0.708 0.000
Cl3 -1.779 0.918 0.000
H4 0.306 1.538 0.900
H5 0.306 1.538 -0.900

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.91811.78181.08601.0860
Br21.91813.08872.47932.4793
Cl31.78183.08872.35462.3546
H41.08602.47932.35461.7998
H51.08602.47932.35461.7998

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 113.140 Br2 C1 H4 108.013
Br2 C1 H5 108.013 Cl3 C1 H4 107.908
Cl3 C1 H5 107.908 H4 C1 H5 111.926
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.357      
2 Br 0.022      
3 Cl -0.099      
4 H 0.217      
5 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.923 1.314 0.000 1.606
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 7.635 -1.372 0.000
y -1.372 6.466 0.000
z 0.000 0.000 4.876


<r2> (average value of r2) Å2
<r2> 146.385
(<r2>)1/2 12.099