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

using model chemistry: BLYP/cc-pVDZ

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 BLYP/cc-pVDZ
 hartrees
Energy at 0K-2666.960244
Energy at 298.15K 
HF Energy-2666.960244
Nuclear repulsion energy123.161780
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 BLYP/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 Σ 2181 2184 20.72      
2 Σ 554 555 2.54      
3 Π 347 348 0.85      
3 Π 347 348 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 1714.9 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 1717.7 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 BLYP/cc-pVDZ
B
0.13293

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.155
N2 0.000 0.000 -2.334
Br3 0.000 0.000 0.665

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.17891.8196
N21.17892.9985
Br31.81962.9985

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 BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.087      
2 N -0.065      
3 Br 0.152      


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 2.984 2.984
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.569 0.000 0.000
y 0.000 -28.569 0.000
z 0.000 0.000 -33.343
Traceless
 xyz
x 2.387 0.000 0.000
y 0.000 2.387 0.000
z 0.000 0.000 -4.774
Polar
3z2-r2-9.548
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.390 0.000 0.000
y 0.000 2.390 0.000
z 0.000 0.000 7.204


<r2> (average value of r2) Å2
<r2> 80.432
(<r2>)1/2 8.968