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

using model chemistry: PBE1PBE/daug-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 PBE1PBE/daug-cc-pVDZ
 hartrees
Energy at 0K-2666.551031
Energy at 298.15K 
HF Energy-2666.551031
Nuclear repulsion energy125.322095
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 PBE1PBE/daug-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 2315 2315 30.15 96.54 0.24 0.38
2 Σ 610 610 1.43 7.09 0.07 0.13
3 Π 364 364 1.64 1.02 0.75 0.86
3 Π 364 364 1.64 1.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1826.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1826.7 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 PBE1PBE/daug-cc-pVDZ
B
0.13761

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/daug-cc-pVDZ

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 -2.295
Br3 0.000 0.000 0.653

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.16251.7858
N21.16252.9483
Br31.78582.9483

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 PBE1PBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.180      
2 N 0.024      
3 Br 0.156      


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 3.254 3.254
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.883 0.000 0.000
y 0.000 -28.883 0.000
z 0.000 0.000 -34.536
Traceless
 xyz
x 2.826 0.000 0.000
y 0.000 2.826 0.000
z 0.000 0.000 -5.653
Polar
3z2-r2-11.305
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 4.216 0.000 0.000
y 0.000 4.216 0.000
z 0.000 0.000 8.121


<r2> (average value of r2) Å2
<r2> 78.718
(<r2>)1/2 8.872