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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: BLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/3-21G*
 hartrees
Energy at 0K-379.320585
Energy at 298.15K-379.323694
HF Energy-379.320585
Nuclear repulsion energy48.034602
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 BLYP/3-21G*
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' 3137 3117 4.05      
2 A' 3056 3036 7.51      
3 A' 2268 2253 109.49      
4 A' 1470 1460 0.44      
5 A' 1045 1038 33.38      
6 A' 978 972 0.08      
7 A' 762 757 0.03      
8 A" 907 901 61.20      
9 A" 849 843 25.16      

Unscaled Zero Point Vibrational Energy (zpe) 7235.9 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 7188.8 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 BLYP/3-21G*
ABC
4.56089 0.53692 0.48037

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.057 1.082 0.000
P2 0.057 -0.603 0.000
H3 -0.833 1.719 0.000
H4 1.010 1.622 0.000
H5 -1.374 -0.783 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.68531.09411.09582.3503
P21.68532.48672.42101.4421
H31.09412.48671.84572.5592
H41.09582.42101.84573.3863
H52.35031.44212.55923.3863

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.141 P2 C1 H3 125.591
P2 C1 H4 119.529 H3 C1 H4 114.880
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.569      
2 P 0.171      
3 H 0.201      
4 H 0.197      
5 H 0.000      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.498 0.972 0.000 1.092
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.694 1.002 0.000
y 1.002 -19.301 0.000
z 0.000 0.000 -21.412
Traceless
 xyz
x 0.663 1.002 0.000
y 1.002 1.252 0.000
z 0.000 0.000 -1.915
Polar
3z2-r2-3.829
x2-y2-0.393
xy1.002
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.234 0.348 0.000
y 0.348 6.289 0.000
z 0.000 0.000 2.440


<r2> (average value of r2) Å2
<r2> 34.928
(<r2>)1/2 5.910