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: M06-2X/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 M06-2X/6-31+G**
 hartrees
Energy at 0K-381.155467
Energy at 298.15K-381.158606
HF Energy-381.155467
Nuclear repulsion energy48.594865
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 M06-2X/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' 3268 3112 0.32      
2 A' 3169 3017 2.26      
3 A' 2417 2302 114.04      
4 A' 1472 1402 1.63      
5 A' 1053 1003 37.13      
6 A' 1032 982 5.49      
7 A' 761 724 0.39      
8 A" 939 894 67.26      
9 A" 886 843 27.58      

Unscaled Zero Point Vibrational Energy (zpe) 7498.2 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 7139.8 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 M06-2X/6-31+G**
ABC
4.64013 0.55042 0.49205

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.069 0.000
P2 0.056 -0.596 0.000
H3 -0.833 1.693 0.000
H4 1.004 1.602 0.000
H5 -1.356 -0.774 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.66521.08601.08732.3216
P21.66522.45522.39341.4232
H31.08602.45521.83952.5210
H41.08732.39341.83953.3485
H52.32161.42322.52103.3485

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.172 P2 C1 H3 125.028
P2 C1 H4 119.325 H3 C1 H4 115.647
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.494      
2 P 0.173      
3 H 0.186      
4 H 0.182      
5 H -0.049      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.573 0.778 0.000 0.967
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.966 1.084 0.000
y 1.084 -19.764 0.000
z 0.000 0.000 -21.978
Traceless
 xyz
x 0.905 1.084 0.000
y 1.084 1.208 0.000
z 0.000 0.000 -2.113
Polar
3z2-r2-4.226
x2-y2-0.202
xy1.084
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.795 0.240 0.000
y 0.240 7.535 0.000
z 0.000 0.000 3.793


<r2> (average value of r2) Å2
<r2> 34.670
(<r2>)1/2 5.888