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

using model chemistry: wB97X-D/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 wB97X-D/cc-pVTZ-PP
 hartrees
Energy at 0K-509.735174
Energy at 298.15K 
HF Energy-509.735174
Nuclear repulsion energy95.216536
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 wB97X-D/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 2339 2339 23.70 81.40 0.27 0.43
2 Σ 600 600 0.48 4.77 0.12 0.22
3 Π 373 373 2.05 1.26 0.75 0.86
3 Π 373 373 2.05 1.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1842.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1842.3 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 wB97X-D/cc-pVTZ-PP
B
0.13823

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ-PP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.137
N2 0.000 0.000 -2.286
Br3 0.000 0.000 0.652

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.14941.7891
N21.14942.9386
Br31.78912.9386

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 wB97X-D/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.155      
2 N -0.029      
3 Br 0.185      


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 3.291 3.291
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.412 0.000 0.000
y 0.000 -28.412 0.000
z 0.000 0.000 -33.957
Traceless
 xyz
x 2.772 0.000 0.000
y 0.000 2.772 0.000
z 0.000 0.000 -5.545
Polar
3z2-r2-11.090
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 3.305 0.000 0.000
y 0.000 3.305 0.000
z 0.000 0.000 7.432


<r2> (average value of r2) Å2
<r2> 73.882
(<r2>)1/2 8.595