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

using model chemistry: B1B95/aug-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 B1B95/aug-cc-pVTZ
 hartrees
Energy at 0K-2667.370025
Energy at 298.15K 
HF Energy-2667.370025
Nuclear repulsion energy126.031746
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 B1B95/aug-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 2326 2229 28.62 97.42 0.24 0.39
2 Σ 608 583 1.08 6.59 0.07 0.13
3 Π 373 358 1.95 1.00 0.75 0.86
3 Π 373 358 1.95 1.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1840.3 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 1763.9 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 B1B95/aug-cc-pVTZ
B
0.13921

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.130
N2 0.000 0.000 -2.280
Br3 0.000 0.000 0.650

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.15021.7794
N21.15022.9296
Br31.77942.9296

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 B1B95/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.281      
2 N -0.156      
3 Br 0.438      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 3.257 3.257
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.654 0.000 0.000
y 0.000 -28.654 0.000
z 0.000 0.000 -34.490
Traceless
 xyz
x 2.918 0.000 0.000
y 0.000 2.918 0.000
z 0.000 0.000 -5.836
Polar
3z2-r2-11.672
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.161 0.000 0.000
y 0.000 4.161 0.000
z 0.000 0.000 8.022


<r2> (average value of r2) Å2
<r2> 77.927
(<r2>)1/2 8.828