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

using model chemistry: HSEh1PBE/daug-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 HSEh1PBE/daug-cc-pVDZ
 hartrees
Energy at 0K-2666.539164
Energy at 298.15K 
HF Energy-2666.539164
Nuclear repulsion energy125.265247
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 HSEh1PBE/daug-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 2312 2312 30.48 97.05 0.24 0.38
2 Σ 607 607 1.45 7.17 0.07 0.13
3 Π 364 364 1.63 1.02 0.75 0.86
3 Π 364 364 1.63 1.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1823.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1823.5 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 HSEh1PBE/daug-cc-pVDZ
B
0.13749

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/daug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.134
N2 0.000 0.000 -2.296
Br3 0.000 0.000 0.653

Atom - Atom Distances (Å)
  C1 N2 Br3
C11.16231.7870
N21.16232.9494
Br31.78702.9494

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 HSEh1PBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.212      
2 N 0.042      
3 Br 0.170      


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 3.260 3.260
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.895 0.000 0.000
y 0.000 -28.895 0.000
z 0.000 0.000 -34.564
Traceless
 xyz
x 2.834 0.000 0.000
y 0.000 2.834 0.000
z 0.000 0.000 -5.669
Polar
3z2-r2-11.337
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 4.231 0.000 0.000
y 0.000 4.231 0.000
z 0.000 0.000 8.145


<r2> (average value of r2) Å2
<r2> 78.781
(<r2>)1/2 8.876