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All results from a given calculation for HCP (Phosphaethyne)

using model chemistry: mPW1PW91/aug-cc-pVDZ

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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-379.998743
Energy at 298.15K-379.999193
Nuclear repulsion energy36.765603
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 mPW1PW91/aug-cc-pVDZ
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 3372 3231 18.02      
2 Σ 1347 1291 0.00      
3 Π 697 668 77.99      
3 Π 697 668 77.99      

Unscaled Zero Point Vibrational Energy (zpe) 3056.7 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 2929.2 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 mPW1PW91/aug-cc-pVDZ
B
0.66323

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.005
H2 0.000 0.000 -2.085
P3 0.000 0.000 0.541

Atom - Atom Distances (Å)
  C1 H2 P3
C11.08031.5461
H21.08032.6264
P31.54612.6264

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 mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.025      
2 H -0.212      
3 P 0.237      


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 -0.481 0.481
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.949 0.000 0.000
y 0.000 -19.949 0.000
z 0.000 0.000 -15.357
Traceless
 xyz
x -2.296 0.000 0.000
y 0.000 -2.296 0.000
z 0.000 0.000 4.593
Polar
3z2-r29.185
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 4.383 0.000 0.000
y 0.000 4.383 0.000
z 0.000 0.000 7.077


<r2> (average value of r2) Å2
<r2> 26.304
(<r2>)1/2 5.129