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All results from a given calculation for KCN (Potassium cyanide)

using model chemistry: B3LYP/Def2TZVPP

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 B3LYP/Def2TZVPP
 hartrees
Energy at 0K-692.831506
Energy at 298.15K-692.830855
HF Energy-692.831506
Nuclear repulsion energy60.912766
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 B3LYP/Def2TZVPP
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 2204 2121 1.25      
2 Σ 274 264 64.12      
3 Π 72 70 8.53      
3 Π 72 70 8.53      

Unscaled Zero Point Vibrational Energy (zpe) 1311.2 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 1262.1 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 B3LYP/Def2TZVPP
B
0.09810

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 1.303
C2 0.000 0.000 -1.285
N3 0.000 0.000 -2.436

Atom - Atom Distances (Å)
  K1 C2 N3
K12.58793.7387
C22.58791.1509
N33.73871.1509

picture of Potassium cyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
K1 C2 N3 180.000 K1 N3 C2 0.000
C2 K1 N3 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.791      
2 C -0.610      
3 N -0.180      


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 12.347 12.347
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.209 0.000 0.000
y 0.000 -23.209 0.000
z 0.000 0.000 -31.250
Traceless
 xyz
x 4.020 0.000 0.000
y 0.000 4.020 0.000
z 0.000 0.000 -8.041
Polar
3z2-r2-16.081
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 3.616 0.000 0.000
y 0.000 3.615 0.000
z 0.000 0.000 6.997


<r2> (average value of r2) Å2
<r2> 101.264
(<r2>)1/2 10.063