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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: PBEPBE/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-380.990524
Energy at 298.15K-380.993595
HF Energy-380.990524
Nuclear repulsion energy48.201303
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/6-31G(2df,p)
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' 3170 3138 0.78      
2 A' 3075 3044 3.76      
3 A' 2268 2245 85.18      
4 A' 1394 1380 0.25      
5 A' 998 988 21.40      
6 A' 979 969 3.34      
7 A' 715 707 0.16      
8 A" 882 873 29.09      
9 A" 832 823 27.97      

Unscaled Zero Point Vibrational Energy (zpe) 7156.3 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 7082.6 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/6-31G(2df,p)
ABC
4.55300 0.54211 0.48443

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.057 1.077 0.000
P2 0.057 -0.600 0.000
H3 -0.832 1.713 0.000
H4 1.014 1.610 0.000
H5 -1.374 -0.783 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.67721.09341.09532.3467
P21.67722.47832.40851.4428
H31.09342.47831.84902.5539
H41.09532.40851.84903.3806
H52.34671.44282.55393.3806

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.265 P2 C1 H3 125.573
P2 C1 H4 119.127 H3 C1 H4 115.300
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.271      
2 P -0.109      
3 H 0.155      
4 H 0.153      
5 H 0.073      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.528 1.036 0.000 1.163
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.388 1.024 0.000
y 1.024 -19.085 0.000
z 0.000 0.000 -21.366
Traceless
 xyz
x 0.837 1.024 0.000
y 1.024 1.292 0.000
z 0.000 0.000 -2.129
Polar
3z2-r2-4.258
x2-y2-0.304
xy1.024
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.711 0.282 0.000
y 0.282 6.761 0.000
z 0.000 0.000 3.477


<r2> (average value of r2) Å2
<r2> 34.639
(<r2>)1/2 5.885