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

using model chemistry: CCSD(T)=FULL/cc-pVTZ

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(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-2665.444690
Energy at 298.15K 
HF Energy-2664.774597
Nuclear repulsion energy125.271053
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(T)=FULL/cc-pVTZ
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 2247 2153        
2 Σ 595 570        
3 Π 370 355        
3 Π 370 355        

Unscaled Zero Point Vibrational Energy (zpe) 1791.5 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 1716.2 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 CCSD(T)=FULL/cc-pVTZ
B
0.13751

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.134
N2 0.000 0.000 -2.296
Br3 0.000 0.000 0.653

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.16211.7870
N21.16212.9491
Br31.78702.9491

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