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All results from a given calculation for HCP (Phosphaethyne)

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-379.805021
Energy at 298.15K-379.805477
HF Energy-379.719816
Nuclear repulsion energy36.686541
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 B2PLYP/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 3400 3227 10.84      
2 Σ 1295 1229 0.78      
3 Π 717 681 70.28      
4 Π 717 681 70.28      

Unscaled Zero Point Vibrational Energy (zpe) 3064.5 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 2908.8 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 B2PLYP/6-31G*
B
0.66011

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.006
H2 0.000 0.000 -2.080
P3 0.000 0.000 0.541

Atom - Atom Distances (Å)
  C1 H2 P3
C11.07411.5473
H21.07412.6214
P31.54732.6214

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 B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.270      
2 H 0.200      
3 P 0.070      


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 -0.767 0.767
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.441 0.000 0.000
y 0.000 -19.441 0.000
z 0.000 0.000 -15.693
Traceless
 xyz
x -1.874 0.000 0.000
y 0.000 -1.874 0.000
z 0.000 0.000 3.747
Polar
3z2-r27.495
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 2.535 0.000 0.000
y 0.000 2.535 0.000
z 0.000 0.000 6.136


<r2> (average value of r2) Å2
<r2> 26.216
(<r2>)1/2 5.120