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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-381.209682
Energy at 298.15K-381.212810
HF Energy-381.209682
Nuclear repulsion energy48.499533
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 mPW1PW91/6-31+G**
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' 3273 3115 0.36      
2 A' 3176 3023 4.12      
3 A' 2384 2269 121.76      
4 A' 1468 1397 2.05      
5 A' 1048 997 37.90      
6 A' 1018 969 2.60      
7 A' 759 722 0.16      
8 A" 928 884 65.22      
9 A" 868 827 29.14      

Unscaled Zero Point Vibrational Energy (zpe) 7461.1 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 7101.5 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 mPW1PW91/6-31+G**
ABC
4.63462 0.54784 0.48993

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.072 0.000
P2 0.056 -0.597 0.000
H3 -0.830 1.699 0.000
H4 1.005 1.603 0.000
H5 -1.359 -0.783 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.66891.08561.08682.3331
P21.66892.46062.39521.4275
H31.08562.46061.83762.5370
H41.08682.39521.83763.3581
H52.33311.42752.53703.3581

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.484 P2 C1 H3 125.246
P2 C1 H4 119.219 H3 C1 H4 115.535
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.461      
2 P 0.114      
3 H 0.195      
4 H 0.192      
5 H -0.040      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.597 0.905 0.000 1.084
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.828 1.121 0.000
y 1.121 -19.575 0.000
z 0.000 0.000 -21.893
Traceless
 xyz
x 0.906 1.121 0.000
y 1.121 1.285 0.000
z 0.000 0.000 -2.191
Polar
3z2-r2-4.383
x2-y2-0.253
xy1.121
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.740 0.273 0.000
y 0.273 7.520 0.000
z 0.000 0.000 3.801


<r2> (average value of r2) Å2
<r2> 34.678
(<r2>)1/2 5.889