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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: B3PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-376.821281
Energy at 298.15K-376.824419
HF Energy-376.821281
Nuclear repulsion energy48.771834
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/STO-3G
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' 3539 3132 0.66      
2 A' 3390 3000 7.51      
3 A' 2737 2422 64.15      
4 A' 1652 1462 0.53      
5 A' 1211 1072 23.56      
6 A' 1138 1007 0.01      
7 A' 880 779 0.23      
8 A" 1005 890 0.24      
9 A" 933 826 37.96      

Unscaled Zero Point Vibrational Energy (zpe) 8242.7 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 7294.8 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 B3PW91/STO-3G
ABC
4.65672 0.55574 0.49649

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.057 1.058 0.000
P2 0.057 -0.596 0.000
H3 -0.828 1.703 0.000
H4 0.998 1.616 0.000
H5 -1.357 -0.731 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.65361.09471.09492.2793
P21.65362.46272.40411.4195
H31.09472.46271.82872.4897
H41.09492.40411.82873.3246
H52.27931.41952.48973.3246

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 95.449 P2 C1 H3 126.073
P2 C1 H4 120.657 H3 C1 H4 113.270
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.357      
2 P 0.312      
3 H 0.070      
4 H 0.069      
5 H -0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.350 0.164 0.000 0.386
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.751 0.501 0.000
y 0.501 -18.165 0.000
z 0.000 0.000 -17.675
Traceless
 xyz
x 0.169 0.501 0.000
y 0.501 -0.452 0.000
z 0.000 0.000 0.283
Polar
3z2-r20.565
x2-y20.414
xy0.501
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.102 0.404 0.000
y 0.404 3.483 0.000
z 0.000 0.000 0.888


<r2> (average value of r2) Å2
<r2> 32.830
(<r2>)1/2 5.730