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: M06-2X/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/3-21G
 hartrees
Energy at 0K-3058.884061
Energy at 298.15K-3058.889267
HF Energy-3058.884061
Nuclear repulsion energy212.651600
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 M06-2X/3-21G
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' 3169 3038 0.86      
2 A' 1480 1419 0.30      
3 A' 1281 1228 52.93      
4 A' 698 670 114.58      
5 A' 594 570 14.99      
6 A' 217 208 0.59      
7 A" 3261 3126 1.22      
8 A" 1168 1119 0.01      
9 A" 828 794 5.37      

Unscaled Zero Point Vibrational Energy (zpe) 6347.3 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 6085.2 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 M06-2X/3-21G
ABC
0.91208 0.06669 0.06291

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.052 0.000
Br2 0.885 -0.709 0.000
Cl3 -1.855 0.903 0.000
H4 0.274 1.581 0.904
H5 0.274 1.581 -0.904

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.97121.86071.08311.0831
Br21.97123.17892.53702.5370
Cl31.86073.17892.41062.4106
H41.08312.53702.41061.8088
H51.08312.53702.41061.8088

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 112.080 Br2 C1 H4 108.827
Br2 C1 H5 108.827 Cl3 C1 H4 106.955
Cl3 C1 H5 106.955 H4 C1 H5 113.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.788      
2 Br 0.137      
3 Cl 0.026      
4 H 0.313      
5 H 0.313      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.555 1.362 0.000 2.067
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.984 1.687 0.000
y 1.687 -35.354 0.000
z 0.000 0.000 -37.359
Traceless
 xyz
x -4.627 1.687 0.000
y 1.687 3.818 0.000
z 0.000 0.000 0.809
Polar
3z2-r21.619
x2-y2-5.630
xy1.687
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.112 -1.800 0.000
y -1.800 4.781 0.000
z 0.000 0.000 2.223


<r2> (average value of r2) Å2
<r2> 154.459
(<r2>)1/2 12.428