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: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-3040.007441
Energy at 298.15K-3040.012653
HF Energy-3040.007441
Nuclear repulsion energy214.056032
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 B3LYP/STO-3G
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' 3325 2967 0.08      
2 A' 1593 1421 0.27      
3 A' 1347 1202 44.69      
4 A' 819 730 84.19      
5 A' 691 617 12.15      
6 A' 234 209 1.56      
7 A" 3453 3081 0.01      
8 A" 1229 1097 0.05      
9 A" 895 798 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 6792.4 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 6061.6 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 B3LYP/STO-3G
ABC
0.96607 0.06682 0.06327

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.005 0.000
Br2 0.884 -0.705 0.000
Cl3 -1.852 0.913 0.000
H4 0.280 1.576 0.906
H5 0.280 1.576 -0.906

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.92491.85441.10681.1068
Br21.92493.17842.52752.5275
Cl31.85443.17842.40962.4096
H41.10682.52752.40961.8117
H51.10682.52752.40961.8117

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 114.479 Br2 C1 H4 110.012
Br2 C1 H5 110.012 Cl3 C1 H4 106.158
Cl3 C1 H5 106.158 H4 C1 H5 109.856
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.162      
2 Br 0.053      
3 Cl -0.140      
4 H 0.124      
5 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.704 0.963 0.000 1.957
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.745 1.896 0.000
y 1.896 -32.855 0.000
z 0.000 0.000 -33.891
Traceless
 xyz
x -4.372 1.896 0.000
y 1.896 2.963 0.000
z 0.000 0.000 1.409
Polar
3z2-r22.819
x2-y2-4.890
xy1.896
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.493 -1.182 0.000
y -1.182 2.549 0.000
z 0.000 0.000 0.926


<r2> (average value of r2) Å2
<r2> 151.788
(<r2>)1/2 12.320