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

using model chemistry: CCD/6-31G

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 CCD/6-31G
 hartrees
Energy at 0K-2662.240722
Energy at 298.15K 
HF Energy-2661.985457
Nuclear repulsion energy121.512852
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 CCD/6-31G
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 2225 2135 0.58      
2 Σ 532 510 0.00      
3 Π 359 344 1.72      
3 Π 359 344 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 1737.3 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 1666.9 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 CCD/6-31G
B
0.12947

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.178
N2 0.000 0.000 -2.361
Br3 0.000 0.000 0.674

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.18261.8522
N21.18263.0348
Br31.85223.0348

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