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

using model chemistry: B3PW91/cc-pVTZ-PP

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 B3PW91/cc-pVTZ-PP
 hartrees
Energy at 0K-509.787640
Energy at 298.15K 
HF Energy-509.787640
Nuclear repulsion energy95.178164
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 B3PW91/cc-pVTZ-PP
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 2300 2300 25.61 80.32 0.28 0.43
2 Σ 597 597 1.10 5.75 0.13 0.23
3 Π 371 371 1.69 1.16 0.75 0.86
3 Π 371 371 1.69 1.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1819.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1819.2 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 B3PW91/cc-pVTZ-PP
B
0.13815

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ-PP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.134
N2 0.000 0.000 -2.289
Br3 0.000 0.000 0.652

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.15431.7865
N21.15432.9407
Br31.78652.9407

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 B3PW91/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.140      
2 N -0.046      
3 Br 0.186      


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 3.281 3.281
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.372 0.000 0.000
y 0.000 -28.372 0.000
z 0.000 0.000 -33.882
Traceless
 xyz
x 2.755 0.000 0.000
y 0.000 2.755 0.000
z 0.000 0.000 -5.510
Polar
3z2-r2-11.020
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 3.315 0.000 0.000
y 0.000 3.315 0.000
z 0.000 0.000 7.534


<r2> (average value of r2) Å2
<r2> 73.883
(<r2>)1/2 8.596