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All results from a given calculation for BrCN (Cyanogen bromide)

using model chemistry: TPSSh/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at TPSSh/Def2TZVPP
 hartrees
Energy at 0K-2666.925220
Energy at 298.15K 
HF Energy-2666.925220
Nuclear repulsion energy125.442991
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 TPSSh/Def2TZVPP
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 2265 2265 25.61 83.96 0.27 0.42
2 Σ 594 594 1.60 6.45 0.15 0.26
3 Π 369 369 1.47 1.35 0.75 0.86
3 Π 369 369 1.47 1.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1798.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1798.2 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 TPSSh/Def2TZVPP
B
0.13790

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/Def2TZVPP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.133
N2 0.000 0.000 -2.292
Br3 0.000 0.000 0.653

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.15841.7859
N21.15842.9443
Br31.78592.9443

picture of Cyanogen bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N2 C1 Br3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.162      
2 N -0.003      
3 Br 0.165      


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 3.195 3.195
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.531 0.000 0.000
y 0.000 3.531 0.000
z 0.000 0.000 7.908


<r2> (average value of r2) Å2
<r2> 78.459
(<r2>)1/2 8.858