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

using model chemistry: MP2=FULL/Def2TZVPP

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 MP2=FULL/Def2TZVPP
 hartrees
Energy at 0K-2665.456151
Energy at 298.15K 
HF Energy-2664.729745
Nuclear repulsion energy125.474143
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 MP2=FULL/Def2TZVPP
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 2130 2130 4.21 65.79 0.27 0.42
2 Σ 611 611 1.50 4.73 0.13 0.24
3 Π 363 363 1.85 0.85 0.75 0.86
3 Π 363 363 1.85 0.85 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1732.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1732.6 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 MP2=FULL/Def2TZVPP
B
0.13786

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/Def2TZVPP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.125
N2 0.000 0.000 -2.297
Br3 0.000 0.000 0.652

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.17191.7768
N21.17192.9488
Br31.77682.9488

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