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All results from a given calculation for HCP (Phosphaethyne)

using model chemistry: B3PW91/6-31G**

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 B3PW91/6-31G**
 hartrees
Energy at 0K-379.926562
Energy at 298.15K-379.927038
Nuclear repulsion energy36.890061
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 B3PW91/6-31G**
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 3381 3241 11.88      
2 Σ 1349 1293 0.93      
3 Π 733 703 70.67      
3 Π 733 703 70.59      

Unscaled Zero Point Vibrational Energy (zpe) 3098.5 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 2969.6 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 B3PW91/6-31G**
B
0.66768

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.002
H2 0.000 0.000 -2.077
P3 0.000 0.000 0.539

Atom - Atom Distances (Å)
  C1 H2 P3
C11.07531.5411
H21.07532.6164
P31.54112.6164

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.250      
2 H 0.176      
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 -0.718 0.718
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.312 0.000 0.000
y 0.000 -19.312 0.000
z 0.000 0.000 -15.457
Traceless
 xyz
x -1.927 0.000 0.000
y 0.000 -1.927 0.000
z 0.000 0.000 3.855
Polar
3z2-r27.709
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 25.958
(<r2>)1/2 5.095