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All results from a given calculation for K2 (Potassium diatomic)

using model chemistry: mPW1PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at mPW1PW91/TZVP
 hartrees
Energy at 0K-1199.895458
Energy at 298.15K-1199.896777
HF Energy-1199.895458
Nuclear repulsion energy47.437488
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 mPW1PW91/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 90 85 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 44.7 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 42.7 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 mPW1PW91/TZVP
B
0.05336

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 2.014
K2 0.000 0.000 -2.014

Atom - Atom Distances (Å)
  K1 K2
K14.0270
K24.0270

picture of Potassium diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.000      
2 K 0.000      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.543 0.000 0.000
y 0.000 -43.543 0.000
z 0.000 0.000 -20.844
Traceless
 xyz
x -11.349 0.000 0.000
y 0.000 -11.349 0.000
z 0.000 0.000 22.699
Polar
3z2-r245.397
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 45.033 0.000 0.000
y 0.000 45.033 0.000
z 0.000 0.000 110.168


<r2> (average value of r2) Å2
<r2> 176.533
(<r2>)1/2 13.287