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 CH2PH (Phosphaethene)

using model chemistry: PBEPBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-381.029629
Energy at 298.15K-381.032706
HF Energy-381.029629
Nuclear repulsion energy48.330141
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 PBEPBE/6-311+G(3df,2p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3149 3123 0.53      
2 A' 3059 3034 4.73      
3 A' 2263 2244 79.97      
4 A' 1396 1385 2.30      
5 A' 1001 993 18.41      
6 A' 981 973 5.60      
7 A' 721 715 0.30      
8 A" 878 871 34.82      
9 A" 830 823 30.57      

Unscaled Zero Point Vibrational Energy (zpe) 7139.2 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 7080.7 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 PBEPBE/6-311+G(3df,2p)
ABC
4.57000 0.54519 0.48708

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.057 1.074 0.000
P2 0.057 -0.598 0.000
H3 -0.833 1.705 0.000
H4 1.011 1.606 0.000
H5 -1.371 -0.780 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.67291.09061.09242.3402
P21.67292.46932.40201.4389
H31.09062.46931.84712.5423
H41.09242.40201.84713.3712
H52.34021.43892.54233.3712

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.247 P2 C1 H3 125.309
P2 C1 H4 119.103 H3 C1 H4 115.588
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.322      
2 P 0.032      
3 H 0.135      
4 H 0.132      
5 H 0.023      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.445 0.800 0.000 0.916
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.979 0.967 0.000
y 0.967 -19.602 0.000
z 0.000 0.000 -21.972
Traceless
 xyz
x 0.808 0.967 0.000
y 0.967 1.373 0.000
z 0.000 0.000 -2.182
Polar
3z2-r2-4.363
x2-y2-0.377
xy0.967
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.629 0.229 0.000
y 0.229 7.825 0.000
z 0.000 0.000 4.856


<r2> (average value of r2) Å2
<r2> 34.871
(<r2>)1/2 5.905