return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for PH3 (Phosphine)

using model chemistry: TPSSh/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at TPSSh/6-31G*
 hartrees
Energy at 0K-343.139723
Energy at 298.15K-343.142723
HF Energy-343.139723
Nuclear repulsion energy17.553370
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 TPSSh/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 A1 2443 2343 52.20 192.72 0.01 0.01
2 A1 1059 1016 28.03 31.24 0.67 0.80
3 E 2454 2355 118.53 144.19 0.75 0.86
3 E 2454 2355 118.55 144.20 0.75 0.86
4 E 1182 1134 15.01 57.57 0.75 0.86
4 E 1182 1134 15.00 57.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5386.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 5167.6 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 TPSSh/6-31G*
ABC
4.46304 4.46304 3.92114

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.128
H2 0.000 1.192 -0.641
H3 1.033 -0.596 -0.641
H4 -1.033 -0.596 -0.641

Atom - Atom Distances (Å)
  P1 H2 H3 H4
P11.41871.41871.4187
H21.41872.06542.0654
H31.41872.06542.0654
H41.41872.06542.0654

picture of Phosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 P1 H3 93.421 H2 P1 H4 93.421
H3 P1 H4 93.421
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P -0.095      
2 H 0.032      
3 H 0.032      
4 H 0.032      


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 -1.006 1.006
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.221 0.000 0.000
y 0.000 3.221 0.000
z 0.000 0.000 2.682


<r2> (average value of r2) Å2
<r2> 15.345
(<r2>)1/2 3.917