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

using model chemistry: B2PLYP/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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-2666.588421
Energy at 298.15K-2666.590868
HF Energy-2666.399859
Nuclear repulsion energy125.119052
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/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 2218 2128 12.11      
2 Σ 592 568 1.06      
3 Π 361 347 2.00      
4 Π 361 347 2.00      

Unscaled Zero Point Vibrational Energy (zpe) 1766.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 1694.3 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/cc-pVTZ
B
0.13719

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.174
N2 0.000 0.000 -2.331
Br3 0.000 0.000 0.668

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.15751.8414
N21.15752.9990
Br31.84142.9990

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
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.113      
2 N -0.042      
3 Br 0.155      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.159 0.000 0.000
y 0.000 3.159 0.000
z 0.000 0.000 7.477


<r2> (average value of r2) Å2
<r2> 78.965
(<r2>)1/2 8.886