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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-379.270517
Energy at 298.15K-379.273649
HF Energy-379.270517
Nuclear repulsion energy47.658201
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 B3LYP/3-21G
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' 3258 3144 1.31      
2 A' 3163 3052 2.86      
3 A' 2175 2099 132.00      
4 A' 1502 1449 1.27      
5 A' 1056 1019 40.77      
6 A' 964 930 0.03      
7 A' 779 752 1.59      
8 A" 943 910 89.47      
9 A" 864 834 18.35      

Unscaled Zero Point Vibrational Energy (zpe) 7352.1 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 7094.0 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 B3LYP/3-21G
ABC
4.52643 0.52627 0.47146

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.058 1.097 0.000
P2 0.058 -0.609 0.000
H3 -0.833 1.717 0.000
H4 1.006 1.626 0.000
H5 -1.386 -0.787 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.70651.08481.08552.3741
P21.70652.49082.42801.4551
H31.08482.49081.84062.5645
H41.08552.42801.84063.3978
H52.37411.45512.56453.3978

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.016 P2 C1 H3 124.838
P2 C1 H4 119.157 H3 C1 H4 116.005
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.783      
2 P 0.373      
3 H 0.229      
4 H 0.230      
5 H -0.050      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.641 1.166 0.000 1.330
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.056 1.158 0.000
y 1.158 -19.850 0.000
z 0.000 0.000 -21.662
Traceless
 xyz
x 0.700 1.158 0.000
y 1.158 1.009 0.000
z 0.000 0.000 -1.709
Polar
3z2-r2-3.418
x2-y2-0.206
xy1.158
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.255 0.415 0.000
y 0.415 6.425 0.000
z 0.000 0.000 2.290


<r2> (average value of r2) Å2
<r2> 35.518
(<r2>)1/2 5.960