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

using model chemistry: M06-2X/6-311+G(3df,2p)

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 M06-2X/6-311+G(3df,2p)
 hartrees
Energy at 0K-2666.987428
Energy at 298.15K 
HF Energy-2666.987428
Nuclear repulsion energy125.782906
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 M06-2X/6-311+G(3df,2p)
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 2369 2369 27.06 91.98 0.24 0.39
2 Σ 611 611 0.57 5.81 0.08 0.14
3 Π 383 383 2.57 1.03 0.75 0.86
3 Π 383 383 2.57 1.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1872.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1872.9 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 M06-2X/6-311+G(3df,2p)
B
0.13870

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.135
N2 0.000 0.000 -2.282
Br3 0.000 0.000 0.651

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.14731.7862
N21.14732.9335
Br31.78622.9335

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 M06-2X/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.784      
2 N -0.987      
3 Br 0.204      


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 3.215 3.215
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.912 0.000 0.000
y 0.000 -28.912 0.000
z 0.000 0.000 -34.670
Traceless
 xyz
x 2.879 0.000 0.000
y 0.000 2.879 0.000
z 0.000 0.000 -5.758
Polar
3z2-r2-11.516
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 4.023 0.000 0.000
y 0.000 4.023 0.000
z 0.000 0.000 7.826


<r2> (average value of r2) Å2
<r2> 78.290
(<r2>)1/2 8.848