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All results from a given calculation for HCP (Phosphaethyne)

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-379.951789
Energy at 298.15K-379.952271
HF Energy-379.951789
Nuclear repulsion energy 
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 wB97X-D/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 3411 3236 12.08      
2 Σ 1382 1311 1.17      
3 Π 742 704 73.32      
3 Π 742 704 73.32      

Unscaled Zero Point Vibrational Energy (zpe) 3138.7 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 2977.1 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 wB97X-D/6-31G*
B
0.67324

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.997
H2 0.000 0.000 -2.072
P3 0.000 0.000 0.537

Atom - Atom Distances (Å)
  C1 H2 P3
C11.07571.5333
H21.07572.6089
P31.53332.6089

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 wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.297      
2 H 0.222      
3 P 0.075      


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 -0.743 0.743
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.324 0.000 0.000
y 0.000 -19.324 0.000
z 0.000 0.000 -15.379
Traceless
 xyz
x -1.972 0.000 0.000
y 0.000 -1.972 0.000
z 0.000 0.000 3.945
Polar
3z2-r27.889
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 2.551 0.000 0.000
y 0.000 2.551 0.000
z 0.000 0.000 6.255


<r2> (average value of r2) Å2
<r2> 25.833
(<r2>)1/2 5.083