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

using model chemistry: CID/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-2665.268284
Energy at 298.15K 
HF Energy-2664.734260
Nuclear repulsion energy126.189421
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/Def2TZVPP
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 2427 2427 19.09      
2 Σ 627 627 0.08      
3 Π 392 392 3.27      
3 Π 392 392 3.27      

Unscaled Zero Point Vibrational Energy (zpe) 1918.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1918.7 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 CID/Def2TZVPP
B
0.13960

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/Def2TZVPP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.132
N2 0.000 0.000 -2.275
Br3 0.000 0.000 0.649

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.14221.7814
N21.14222.9235
Br31.78142.9235

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