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All results from a given calculation for HCP (Phosphaethyne)

using model chemistry: BLYP/6-311G**

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 BLYP/6-311G**
 hartrees
Energy at 0K-380.007731
Energy at 298.15K-380.008169
Nuclear repulsion energy36.596792
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 BLYP/6-311G**
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 3271 3258 11.84      
2 Σ 1283 1278 0.24      
3 Π 689 686 80.78      
3 Π 689 686 80.78      

Unscaled Zero Point Vibrational Energy (zpe) 2965.5 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 2953.9 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 BLYP/6-311G**
B
0.65695

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.011
H2 0.000 0.000 -2.090
P3 0.000 0.000 0.544

Atom - Atom Distances (Å)
  C1 H2 P3
C11.07891.5544
H21.07892.6333
P31.55442.6333

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 BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.376      
2 H 0.134      
3 P 0.242      


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 -0.438 0.438
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.063 0.000 0.000
y 0.000 -20.063 0.000
z 0.000 0.000 -16.013
Traceless
 xyz
x -2.025 0.000 0.000
y 0.000 -2.025 0.000
z 0.000 0.000 4.050
Polar
3z2-r28.100
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 2.598 0.000 0.000
y 0.000 2.598 0.000
z 0.000 0.000 6.617


<r2> (average value of r2) Å2
<r2> 26.617
(<r2>)1/2 5.159