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

using model chemistry: MP2=FULL/cc-pVTZ-PP

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/cc-pVTZ-PP
 hartrees
Energy at 0K-508.452314
Energy at 298.15K 
HF Energy-507.817729
Nuclear repulsion energy95.238890
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/cc-pVTZ-PP
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 2139 2139 3.99 59.76 0.28 0.44
2 Σ 610 610 1.49 4.80 0.13 0.23
3 Π 371 371 1.76 0.76 0.75 0.86
3 Π 371 371 1.76 0.76 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1745.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1745.2 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 MP2=FULL/cc-pVTZ-PP
B
0.13844

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ-PP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.121
N2 0.000 0.000 -2.293
Br3 0.000 0.000 0.651

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.17141.7717
N21.17142.9432
Br31.77172.9432

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