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All results from a given calculation for HCP (Phosphaethyne)

using model chemistry: PBE1PBE/6-31G*

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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-379.793186
Energy at 298.15K-379.793665
HF Energy-379.793186
Nuclear repulsion energy36.932323
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 PBE1PBE/6-31G*
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 3404 3235 12.05      
2 Σ 1363 1295 0.93      
3 Π 739 703 72.80      
3 Π 739 703 72.80      

Unscaled Zero Point Vibrational Energy (zpe) 3122.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 2967.6 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 PBE1PBE/6-31G*
B
0.66927

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.000
H2 0.000 0.000 -2.076
P3 0.000 0.000 0.539

Atom - Atom Distances (Å)
  C1 H2 P3
C11.07601.5390
H21.07602.6150
P31.53902.6150

picture of Phosphaethyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 P3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.299      
2 H 0.219      
3 P 0.080      


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 -0.731 0.731
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.382 0.000 0.000
y 0.000 -19.382 0.000
z 0.000 0.000 -15.439
Traceless
 xyz
x -1.971 0.000 0.000
y 0.000 -1.971 0.000
z 0.000 0.000 3.943
Polar
3z2-r27.886
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 2.555 0.000 0.000
y 0.000 2.555 0.000
z 0.000 0.000 6.245


<r2> (average value of r2) Å2
<r2> 25.953
(<r2>)1/2 5.094