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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: B3PW91/6-31G(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 B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-381.163280
Energy at 298.15K-381.166393
HF Energy-381.163280
Nuclear repulsion energy48.588719
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 B3PW91/6-31G(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' 3245 3120 0.47      
2 A' 3149 3028 3.59      
3 A' 2347 2257 91.23      
4 A' 1442 1386 0.58      
5 A' 1031 991 23.60      
6 A' 1015 975 3.87      
7 A' 737 709 0.28      
8 A" 919 884 36.92      
9 A" 864 830 25.34      

Unscaled Zero Point Vibrational Energy (zpe) 7374.2 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 7089.5 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 B3PW91/6-31G(2df,p)
ABC
4.62975 0.55083 0.49226

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.069 0.000
P2 0.056 -0.595 0.000
H3 -0.828 1.698 0.000
H4 1.006 1.599 0.000
H5 -1.361 -0.785 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.66351.08571.08762.3333
P21.66352.45752.39081.4301
H31.08572.45751.83682.5390
H41.08762.39081.83683.3594
H52.33331.43012.53903.3594

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.630 P2 C1 H3 125.413
P2 C1 H4 119.210 H3 C1 H4 115.377
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.319      
2 P -0.085      
3 H 0.171      
4 H 0.168      
5 H 0.065      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.539 1.024 0.000 1.157
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.338 1.057 0.000
y 1.057 -18.975 0.000
z 0.000 0.000 -21.301
Traceless
 xyz
x 0.800 1.057 0.000
y 1.057 1.345 0.000
z 0.000 0.000 -2.144
Polar
3z2-r2-4.289
x2-y2-0.363
xy1.057
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.625 0.291 0.000
y 0.291 6.735 0.000
z 0.000 0.000 3.472


<r2> (average value of r2) Å2
<r2> 34.245
(<r2>)1/2 5.852