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

using model chemistry: CCSD=FULL/6-31G(2df,p)

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 CCSD=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-2662.947482
Energy at 298.15K 
HF Energy-2662.360098
Nuclear repulsion energy126.755368
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 CCSD=FULL/6-31G(2df,p)
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 2350 2212 10.77      
2 Σ 645 607 0.46      
3 Π 421 397 2.71      
3 Π 421 397 2.71      

Unscaled Zero Point Vibrational Energy (zpe) 1918.6 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 1806.5 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 CCSD=FULL/6-31G(2df,p)
B
0.14072

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.116
N2 0.000 0.000 -2.272
Br3 0.000 0.000 0.646

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.15631.7613
N21.15632.9175
Br31.76132.9175

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