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

using model chemistry: B3LYP/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 B3LYP/daug-cc-pVDZ
 hartrees
Energy at 0K-2666.985470
Energy at 298.15K 
HF Energy-2666.985470
Nuclear repulsion energy124.508415
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 B3LYP/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 2279 2279 27.30 96.89 0.24 0.38
2 Σ 585 585 1.31 7.73 0.08 0.14
3 Π 351 351 1.66 1.03 0.75 0.86
3 Π 351 351 1.66 1.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1783.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1783.3 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 B3LYP/daug-cc-pVDZ
B
0.13587

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/daug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.144
N2 0.000 0.000 -2.308
Br3 0.000 0.000 0.658

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.16401.8013
N21.16402.9653
Br31.80132.9653

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 B3LYP/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.313      
2 N 0.095      
3 Br 0.218      


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 3.279 3.279
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.020 0.000 0.000
y 0.000 -29.020 0.000
z 0.000 0.000 -34.905
Traceless
 xyz
x 2.943 0.000 0.000
y 0.000 2.943 0.000
z 0.000 0.000 -5.885
Polar
3z2-r2-11.771
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 4.285 0.000 0.000
y 0.000 4.285 0.000
z 0.000 0.000 8.260


<r2> (average value of r2) Å2
<r2> 79.613
(<r2>)1/2 8.923