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: wB97X-D/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-31+G**
 hartrees
Energy at 0K-3071.216083
Energy at 298.15K-3071.221370
HF Energy-3071.216083
Nuclear repulsion energy218.111343
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 wB97X-D/6-31+G**
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' 3163 3012 3.70      
2 A' 1473 1403 0.05      
3 A' 1287 1226 67.56      
4 A' 763 726 109.13      
5 A' 629 599 26.89      
6 A' 231 220 0.31      
7 A" 3252 3097 0.93      
8 A" 1178 1122 0.00      
9 A" 880 838 2.97      

Unscaled Zero Point Vibrational Energy (zpe) 6428.2 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 6121.6 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 wB97X-D/6-31+G**
ABC
0.99332 0.06986 0.06610

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.017 0.000
Br2 0.842 -0.722 0.000
Cl3 -1.772 0.948 0.000
H4 0.325 1.533 0.899
H5 0.325 1.533 -0.899

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.93281.77371.08631.0863
Br21.93283.10262.48252.4825
Cl31.77373.10262.35562.3556
H41.08632.48252.35561.7983
H51.08632.48252.35561.7983

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 113.595 Br2 C1 H4 107.279
Br2 C1 H5 107.279 Cl3 C1 H4 108.503
Cl3 C1 H5 108.503 H4 C1 H5 111.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.399      
2 Br -0.097      
3 Cl 0.029      
4 H 0.233      
5 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.972 1.479 0.000 1.770
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.651 1.342 0.000
y 1.342 -35.122 0.000
z 0.000 0.000 -37.433
Traceless
 xyz
x -3.374 1.342 0.000
y 1.342 3.420 0.000
z 0.000 0.000 -0.046
Polar
3z2-r2-0.092
x2-y2-4.529
xy1.342
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.332 -1.391 0.000
y -1.391 6.375 0.000
z 0.000 0.000 4.714


<r2> (average value of r2) Å2
<r2> 147.865
(<r2>)1/2 12.160