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

using model chemistry: CID/6-311G*

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 CID/6-311G*
 hartrees
Energy at 0K-2665.051083
Energy at 298.15K 
HF Energy-2664.670843
Nuclear repulsion energy125.370257
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 CID/6-311G*
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 2398 2228 12.09      
2 Σ 612 569 0.08      
3 Π 371 345 3.07      
3 Π 371 345 3.07      

Unscaled Zero Point Vibrational Energy (zpe) 1876.2 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 1743.2 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 CID/6-311G*
B
0.13780

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.140
N2 0.000 0.000 -2.289
Br3 0.000 0.000 0.653

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.14941.7931
N21.14942.9425
Br31.79312.9425

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