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

using model chemistry: MP4=FULL/aug-cc-pVDZ

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 MP4=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-2665.161794
Energy at 298.15K 
HF Energy-2664.674163
Nuclear repulsion energy123.324365
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 MP4=FULL/aug-cc-pVDZ
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 2075 2023        
2 Σ 578 563        
3 Π 340 331        
3 Π 340 331        

Unscaled Zero Point Vibrational Energy (zpe) 1666.0 cm-1
Scaled (by 0.9752) Zero Point Vibrational Energy (zpe) 1624.7 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 MP4=FULL/aug-cc-pVDZ
B
0.13320

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.146
N2 0.000 0.000 -2.336
Br3 0.000 0.000 0.664

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.19031.8091
N21.19032.9993
Br31.80912.9993

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