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-343.103573
Energy at 298.15K-343.106559
HF Energy-343.103573
Nuclear repulsion energy17.240221
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 2290 2203 88.18 244.37 0.01 0.01
2 A1 1009 971 31.45 46.79 0.59 0.74
3 E 2323 2235 154.69 159.12 0.75 0.86
3 E 2323 2235 154.69 159.13 0.75 0.86
4 E 1151 1107 18.38 77.40 0.75 0.86
4 E 1151 1107 18.38 77.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5123.4 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 4929.2 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 TPSSh/6-31G
ABC
4.34043 4.34043 3.72591

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 1.223 -0.639
H3 1.059 -0.612 -0.639
H4 -1.059 -0.612 -0.639

Atom - Atom Distances (Å)
  P1 H2 H3 H4
P11.44401.44401.4440
H21.44402.11882.1188
H31.44402.11882.1188
H41.44402.11882.1188

picture of Phosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 P1 H3 94.387 H2 P1 H4 94.387
H3 P1 H4 94.387
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 0.023      
2 H -0.008      
3 H -0.008      
4 H -0.008      


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 -1.389 1.389
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 3.339 0.000 0.000
y 0.000 3.339 0.000
z 0.000 0.000 2.619


<r2> (average value of r2) Å2
<r2> 15.800
(<r2>)1/2 3.975