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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-380.989460
Energy at 298.15K-380.992537
HF Energy-380.989460
Nuclear repulsion energy48.006342
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 PBEPBE/6-31+G**
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' 3175 3139 0.95      
2 A' 3080 3045 5.13      
3 A' 2277 2251 118.51      
4 A' 1411 1395 1.27      
5 A' 1008 996 34.73      
6 A' 971 960 2.82      
7 A' 731 723 0.03      
8 A" 882 872 57.29      
9 A" 829 820 33.25      

Unscaled Zero Point Vibrational Energy (zpe) 7182.1 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 7100.3 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 PBEPBE/6-31+G**
ABC
4.53768 0.53675 0.47998

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.057 1.083 0.000
P2 0.057 -0.603 0.000
H3 -0.835 1.719 0.000
H4 1.016 1.615 0.000
H5 -1.376 -0.780 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.68661.09511.09642.3507
P21.68662.48782.41681.4437
H31.09512.48781.85302.5576
H41.09642.41681.85303.3849
H52.35071.44372.55763.3849

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.041 P2 C1 H3 125.511
P2 C1 H4 119.025 H3 C1 H4 115.464
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.460      
2 P 0.098      
3 H 0.193      
4 H 0.191      
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
  -0.572 0.894 0.000 1.061
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.980 1.070 0.000
y 1.070 -19.775 0.000
z 0.000 0.000 -22.061
Traceless
 xyz
x 0.938 1.070 0.000
y 1.070 1.246 0.000
z 0.000 0.000 -2.183
Polar
3z2-r2-4.367
x2-y2-0.205
xy1.070
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.933 0.254 0.000
y 0.254 7.697 0.000
z 0.000 0.000 3.910


<r2> (average value of r2) Å2
<r2> 35.233
(<r2>)1/2 5.936