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

using model chemistry: CCSD=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=FULL/cc-pVTZ
 hartrees
Energy at 0K-2665.413883
Energy at 298.15K 
HF Energy-2664.775884
Nuclear repulsion energy125.655592
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/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 2324 2204 9.26      
2 Σ 605 574 0.34      
3 Π 382 362 2.56      
3 Π 382 362 2.56      

Unscaled Zero Point Vibrational Energy (zpe) 1846.8 cm-1
Scaled (by 0.9481) Zero Point Vibrational Energy (zpe) 1751.0 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/cc-pVTZ
B
0.13839

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.133
N2 0.000 0.000 -2.287
Br3 0.000 0.000 0.652

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.15351.7848
N21.15352.9383
Br31.78482.9383

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