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

using model chemistry: B97D3/STO-3G

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 B97D3/STO-3G
 hartrees
Energy at 0K-2638.915252
Energy at 298.15K 
HF Energy-2638.915252
Nuclear repulsion energy121.951172
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 B97D3/STO-3G
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 2235 2235 2.22 15.48 0.21 0.35
2 Σ 582 582 5.48 6.83 0.31 0.47
3 Π 352 352 1.90 0.35 0.75 0.86
3 Π 352 352 1.90 0.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1760.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1760.7 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 B97D3/STO-3G
B
0.13015

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.151
N2 0.000 0.000 -2.367
Br3 0.000 0.000 0.671

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.21541.8222
N21.21543.0377
Br31.82223.0377

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 B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.039      
2 N -0.156      
3 Br 0.195      


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 2.400 2.400
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.977 0.000 0.000
y 0.000 -25.977 0.000
z 0.000 0.000 -32.027
Traceless
 xyz
x 3.025 0.000 0.000
y 0.000 3.025 0.000
z 0.000 0.000 -6.050
Polar
3z2-r2-12.100
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 0.581 0.000 0.000
y 0.000 0.581 0.000
z 0.000 0.000 4.499


<r2> (average value of r2) Å2
<r2> 80.402
(<r2>)1/2 8.967