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: B2PLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-3073.012150
Energy at 298.15K-3073.017404
HF Energy-3072.876595
Nuclear repulsion energy216.698682
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 B2PLYP/cc-pVDZ
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' 3149 3016 5.71      
2 A' 1442 1381 0.09      
3 A' 1249 1196 58.16      
4 A' 744 713 101.87      
5 A' 609 583 32.08      
6 A' 227 218 0.20      
7 A" 3240 3103 0.07      
8 A" 1145 1097 0.01      
9 A" 853 817 3.00      

Unscaled Zero Point Vibrational Energy (zpe) 6328.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 6061.2 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 B2PLYP/cc-pVDZ
ABC
0.97821 0.06903 0.06531

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.028 0.000
Br2 0.845 -0.730 0.000
Cl3 -1.779 0.958 0.000
H4 0.329 1.544 0.906
H5 0.329 1.544 -0.906

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.95021.78071.09351.0935
Br21.95023.12052.50162.5016
Cl31.78073.12052.36832.3683
H41.09352.50162.36831.8123
H51.09352.50162.36831.8123

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 113.442 Br2 C1 H4 107.167
Br2 C1 H5 107.167 Cl3 C1 H4 108.599
Cl3 C1 H5 108.599 H4 C1 H5 111.922
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.113      
2 Br -0.052      
3 Cl -0.075      
4 H 0.120      
5 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.869 1.348 0.000 1.604
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.943 1.208 0.000
y 1.208 -35.036 0.000
z 0.000 0.000 -37.075
Traceless
 xyz
x -2.888 1.208 0.000
y 1.208 2.974 0.000
z 0.000 0.000 -0.086
Polar
3z2-r2-0.172
x2-y2-3.908
xy1.208
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.413 -1.503 0.000
y -1.503 5.531 0.000
z 0.000 0.000 3.397


<r2> (average value of r2) Å2
<r2> 149.159
(<r2>)1/2 12.213