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: PBE1PBE/aug-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 PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-3073.147885
Energy at 298.15K-3073.153157
HF Energy-3073.147885
Nuclear repulsion energy218.513245
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 PBE1PBE/aug-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' 3141 3020 2.82      
2 A' 1410 1356 0.18      
3 A' 1230 1183 45.00      
4 A' 758 729 100.61      
5 A' 623 599 31.64      
6 A' 230 221 0.20      
7 A" 3235 3111 1.62      
8 A" 1138 1094 0.00      
9 A" 849 816 2.73      

Unscaled Zero Point Vibrational Energy (zpe) 6306.7 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 6064.5 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 PBE1PBE/aug-cc-pVDZ
ABC
0.98174 0.07041 0.06656

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.023 0.000
Br2 0.840 -0.719 0.000
Cl3 -1.767 0.938 0.000
H4 0.321 1.539 0.907
H5 0.321 1.539 -0.907

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.93411.76921.09191.0919
Br21.93413.08952.48842.4884
Cl31.76923.08952.35492.3549
H41.09192.48842.35491.8136
H51.09192.48842.35491.8136

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 113.001 Br2 C1 H4 107.345
Br2 C1 H5 107.345 Cl3 C1 H4 108.459
Cl3 C1 H5 108.459 H4 C1 H5 112.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.384      
2 Br 0.291      
3 Cl -0.027      
4 H 0.060      
5 H 0.060      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.823 1.386 0.000 1.612
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.269 1.284 0.000
y 1.284 -35.266 0.000
z 0.000 0.000 -37.411
Traceless
 xyz
x -2.931 1.284 0.000
y 1.284 3.074 0.000
z 0.000 0.000 -0.143
Polar
3z2-r2-0.286
x2-y2-4.003
xy1.284
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.465 -1.452 0.000
y -1.452 7.494 0.000
z 0.000 0.000 5.786


<r2> (average value of r2) Å2
<r2> 147.034
(<r2>)1/2 12.126