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All results from a given calculation for HCP (Phosphaethyne)

using model chemistry: B97D3/3-21G

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 B97D3/3-21G
 hartrees
Energy at 0K-378.017725
Energy at 298.15K-378.018172
HF Energy-378.017725
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 B97D3/3-21G
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 3316 3260 8.98      
2 Σ 1230 1209 0.89      
3 Π 707 695 104.42      
3 Π 707 695 104.42      

Unscaled Zero Point Vibrational Energy (zpe) 2979.7 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 2929.1 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 B97D3/3-21G
B
0.63485

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.031
H2 0.000 0.000 -2.108
P3 0.000 0.000 0.553

Atom - Atom Distances (Å)
  C1 H2 P3
C11.07691.5842
H21.07692.6611
P31.58422.6611

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 B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.661      
2 H 0.244      
3 P 0.417      


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 -0.863 0.863
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.607 0.000 0.000
y 0.000 -19.607 0.000
z 0.000 0.000 -16.001
Traceless
 xyz
x -1.803 0.000 0.000
y 0.000 -1.803 0.000
z 0.000 0.000 3.605
Polar
3z2-r27.211
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 2.189 0.000 0.000
y 0.000 2.189 0.000
z 0.000 0.000 6.088


<r2> (average value of r2) Å2
<r2> 26.907
(<r2>)1/2 5.187