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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: B2PLYP/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 B2PLYP/6-31G**
 hartrees
Energy at 0K-381.019614
Energy at 298.15K-381.022743
HF Energy-380.933467
Nuclear repulsion energy48.409877
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 B2PLYP/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' 3286 3286 1.66      
2 A' 3189 3189 4.49      
3 A' 2409 2409 126.51      
4 A' 1494 1494 0.31      
5 A' 1061 1061 37.20      
6 A' 999 999 0.32      
7 A' 764 764 0.51      
8 A" 931 931 40.53      
9 A" 871 871 33.39      

Unscaled Zero Point Vibrational Energy (zpe) 7502.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7502.2 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 B2PLYP/6-31G**
ABC
4.65685 0.54420 0.48726

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.077 0.000
P2 0.056 -0.599 0.000
H3 -0.829 1.701 0.000
H4 1.003 1.605 0.000
H5 -1.354 -0.783 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.67541.08341.08452.3339
P21.67542.46432.39871.4226
H31.08342.46431.83492.5386
H41.08452.39871.83493.3556
H52.33391.42262.53863.3556

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.430 P2 C1 H3 125.190
P2 C1 H4 119.162 H3 C1 H4 115.648
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.386      
2 P 0.164      
3 H 0.143      
4 H 0.141      
5 H -0.062      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.565 1.027 0.000 1.173
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.764 1.099 0.000
y 1.099 -19.429 0.000
z 0.000 0.000 -21.396
Traceless
 xyz
x 0.649 1.099 0.000
y 1.099 1.151 0.000
z 0.000 0.000 -1.799
Polar
3z2-r2-3.599
x2-y2-0.335
xy1.099
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.325 0.325 0.000
y 0.325 6.528 0.000
z 0.000 0.000 2.898


<r2> (average value of r2) Å2
<r2> 34.624
(<r2>)1/2 5.884