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 CBr (Carbon monobromide)

using model chemistry: B2PLYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Π
Energy calculated at B2PLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-2611.611726
Energy at 298.15K-2611.613362
HF Energy-2611.520141
Nuclear repulsion energy60.984214
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/6-311+G(3df,2p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 729 729 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 364.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 364.5 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 B2PLYP/6-311+G(3df,2p)
B
0.48740

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.556
Br2 0.000 0.000 0.267

Atom - Atom Distances (Å)
  C1 Br2
C11.8222
Br21.8222

picture of Carbon monobromide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.139      
2 Br 0.139      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.557 1.557
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.168 0.000 0.000
y 0.000 -23.199 0.000
z 0.000 0.000 -26.698
Traceless
 xyz
x -0.220 0.000 0.000
y 0.000 2.734 0.000
z 0.000 0.000 -2.514
Polar
3z2-r2-5.029
x2-y2-1.969
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.009 0.000 0.000
y 0.000 3.770 0.000
z 0.000 0.000 6.949


<r2> (average value of r2) Å2
<r2> 32.636
(<r2>)1/2 5.713