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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-381.152755
Energy at 298.15K-381.155874
HF Energy-381.152755
Nuclear repulsion energy48.419238
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 B3PW91/6-31G*
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' 3257 3116 1.55      
2 A' 3165 3028 5.22      
3 A' 2370 2267 138.94      
4 A' 1480 1416 0.76      
5 A' 1049 1004 37.75      
6 A' 1015 971 0.56      
7 A' 756 724 0.18      
8 A" 925 885 52.62      
9 A" 866 829 31.75      

Unscaled Zero Point Vibrational Energy (zpe) 7441.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 7119.4 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 B3PW91/6-31G*
ABC
4.62096 0.54607 0.48836

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.073 0.000
P2 0.056 -0.598 0.000
H3 -0.829 1.705 0.000
H4 1.006 1.605 0.000
H5 -1.362 -0.784 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.67111.08771.08882.3373
P21.67112.46712.39911.4311
H31.08772.46711.83822.5456
H41.08882.39911.83823.3646
H52.33731.43112.54563.3646

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.479 P2 C1 H3 125.506
P2 C1 H4 119.244 H3 C1 H4 115.251
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.520      
2 P 0.124      
3 H 0.208      
4 H 0.205      
5 H -0.017      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.579 1.085 0.000 1.229
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.498 1.115 0.000
y 1.115 -19.123 0.000
z 0.000 0.000 -21.354
Traceless
 xyz
x 0.741 1.115 0.000
y 1.115 1.303 0.000
z 0.000 0.000 -2.043
Polar
3z2-r2-4.086
x2-y2-0.375
xy1.115
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.348 0.356 0.000
y 0.356 6.576 0.002
z 0.000 0.002 2.895


<r2> (average value of r2) Å2
<r2> 34.480
(<r2>)1/2 5.872