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

using model chemistry: CCD/TZVP

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/TZVP
 hartrees
Energy at 0K-2665.235459
Energy at 298.15K 
HF Energy-2664.720107
Nuclear repulsion energy124.748274
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/TZVP
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 2322 2201 6.69      
2 Σ 583 553 0.32      
3 Π 348 330 1.93      
3 Π 348 330 1.93      

Unscaled Zero Point Vibrational Energy (zpe) 1800.2 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 1706.6 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/TZVP
B
0.13643

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.145
N2 0.000 0.000 -2.301
Br3 0.000 0.000 0.657

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.15551.8018
N21.15552.9574
Br31.80182.9574

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