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

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-2664.194984
Energy at 298.15K 
HF Energy-2664.002544
Nuclear repulsion energy126.287194
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 B2PLYP=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 2250 2250 13.57 65.29 0.31 0.47
2 Σ 628 628 1.13 6.07 0.14 0.24
3 Π 395 395 2.18 1.30 0.75 0.86
3 Π 395 395 2.18 1.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1834.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1834.4 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 B2PLYP=FULL/6-31G(2df,p)
B
0.13965

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.117
N2 0.000 0.000 -2.282
Br3 0.000 0.000 0.648

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.16461.7653
N21.16462.9298
Br31.76532.9298

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