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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: mPW1PW91/aug-cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-381.254490
Energy at 298.15K-381.257715
HF Energy-381.254490
Nuclear repulsion energy48.780705
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 mPW1PW91/aug-cc-pV(T+d)Z
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3246 3246 0.16      
2 A' 3152 3152 3.40      
3 A' 2362 2362 82.93      
4 A' 1451 1451 3.17      
5 A' 1039 1039 18.76      
6 A' 1023 1023 6.54      
7 A' 745 745 0.60      
8 A" 921 921 43.81      
9 A" 868 868 25.79      

Unscaled Zero Point Vibrational Energy (zpe) 7403.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7403.6 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 mPW1PW91/aug-cc-pV(T+d)Z
ABC
4.65653 0.55547 0.49627

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.065 0.000
P2 0.056 -0.592 0.000
H3 -0.829 1.686 0.000
H4 1.002 1.594 0.000
H5 -1.356 -0.782 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.65701.08191.08372.3249
P21.65702.44442.38211.4247
H31.08192.44441.83352.5238
H41.08372.38211.83353.3474
H52.32491.42472.52383.3474

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.666 P2 C1 H3 125.048
P2 C1 H4 119.247 H3 C1 H4 115.705
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.320      
2 P 0.027      
3 H 0.136      
4 H 0.130      
5 H 0.027      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.485 0.823 0.000 0.956
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.747 1.038 0.000
y 1.038 -19.294 0.000
z 0.000 0.000 -21.782
Traceless
 xyz
x 0.791 1.038 0.000
y 1.038 1.471 0.000
z 0.000 0.000 -2.262
Polar
3z2-r2-4.523
x2-y2-0.453
xy1.038
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.527 0.215 0.000
y 0.215 7.563 0.000
z 0.000 0.000 4.795


<r2> (average value of r2) Å2
<r2> 34.318
(<r2>)1/2 5.858