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: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-381.178671
Energy at 298.15K-381.181813
HF Energy-381.178671
Nuclear repulsion energy 
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 wB97X-D/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 A' 3274 3105 1.26      
2 A' 3181 3018 4.88      
3 A' 2390 2267 140.28      
4 A' 1496 1419 1.22      
5 A' 1069 1014 37.63      
6 A' 1043 989 1.30      
7 A' 772 732 0.32      
8 A" 942 894 63.37      
9 A" 883 837 20.93      

Unscaled Zero Point Vibrational Energy (zpe) 7524.4 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 7136.9 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 wB97X-D/6-31G*
ABC
4.64287 0.55030 0.49199

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.068 0.000
P2 0.056 -0.595 0.000
H3 -0.832 1.696 0.000
H4 1.005 1.601 0.000
H5 -1.358 -0.779 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.66341.08741.08802.3264
P21.66342.45712.39231.4265
H31.08742.45711.83922.5300
H41.08802.39231.83923.3538
H52.32641.42652.53003.3538

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.392 P2 C1 H3 125.251
P2 C1 H4 119.316 H3 C1 H4 115.432
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.513      
2 P 0.123      
3 H 0.207      
4 H 0.204      
5 H -0.022      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.605 1.091 0.000 1.248
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.514 1.146 0.000
y 1.146 -19.124 0.000
z 0.000 0.000 -21.344
Traceless
 xyz
x 0.719 1.146 0.000
y 1.146 1.305 0.000
z 0.000 0.000 -2.025
Polar
3z2-r2-4.050
x2-y2-0.391
xy1.146
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.349 0.340 0.000
y 0.340 6.674 0.000
z 0.000 0.000 2.892


<r2> (average value of r2) Å2
<r2> 34.330
(<r2>)1/2 5.859