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

using model chemistry: TPSSh/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-2666.978426
Energy at 298.15K 
HF Energy-2666.978426
Nuclear repulsion energy125.473004
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/cc-pVQZ
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 2262 2262 25.21 84.87 0.27 0.42
2 Σ 593 593 1.67 6.89 0.11 0.21
3 Π 364 364 1.46 1.15 0.75 0.86
3 Π 364 364 1.46 1.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1792.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1792.2 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/cc-pVQZ
B
0.13797

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

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 -2.291
Br3 0.000 0.000 0.652

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.15741.7859
N21.15742.9434
Br31.78592.9434

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/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.038      
2 N -0.168      
3 Br 0.207      


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 3.202 3.202
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 3.784 0.000 0.000
y 0.000 3.784 0.000
z 0.000 0.000 8.004


<r2> (average value of r2) Å2
<r2> 78.425
(<r2>)1/2 8.856