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All results from a given calculation for CH3PH2 (Methyl phosphine)

using model chemistry: BLYP/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 BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-382.406063
Energy at 298.15K-382.411591
Nuclear repulsion energy59.269430
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/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 3065 3048 10.53      
2 A 2978 2962 14.12      
3 A 2289 2277 63.81      
4 A 1440 1432 3.19      
5 A 1284 1277 1.70      
6 A 1090 1084 14.58      
7 A 968 963 37.24      
8 A 718 714 0.13      
9 A 636 633 6.76      
10 A 3051 3034 9.78      
11 A 2298 2286 89.28      
12 A 1443 1435 3.71      
13 A 1006 1001 15.19      
14 A 680 677 0.22      
15 A 229 228 1.99      

Unscaled Zero Point Vibrational Energy (zpe) 11587.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 11523.7 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/6-31G(2df,p)
ABC
2.35798 0.38190 0.37886

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.072 1.204 0.000
P2 0.072 -0.683 0.000
H3 -0.933 1.645 0.000
H4 0.618 1.554 0.888
H5 0.618 1.554 -0.888
H6 -0.904 -0.865 -1.036
H7 -0.904 -0.865 1.036

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.88711.09781.09991.09992.51142.5114
P21.88712.53632.46832.46831.43481.4348
H31.09782.53631.79011.79012.71632.7163
H41.09992.46831.79011.77583.44572.8626
H51.09992.46831.79011.77582.86263.4457
H62.51141.43482.71633.44572.86262.0717
H72.51141.43482.71632.86263.44572.0717

picture of Methyl phosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H6 97.297 C1 P2 H7 97.297
P2 C1 H3 113.718 P2 C1 H4 108.568
P2 C1 H5 108.568 H3 C1 H4 109.081
H3 C1 H5 109.081 H4 C1 H5 107.652
H6 P2 H7 92.431
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.330      
2 P -0.174      
3 H 0.123      
4 H 0.123      
5 H 0.123      
6 H 0.067      
7 H 0.067      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.625 1.111 0.000 1.275
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.343 1.386 0.000
y 1.386 -22.176 0.000
z 0.000 0.000 -20.942
Traceless
 xyz
x -0.784 1.386 0.000
y 1.386 -0.533 0.000
z 0.000 0.000 1.317
Polar
3z2-r22.634
x2-y2-0.168
xy1.386
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.752 0.266 0.000
y 0.266 5.955 0.000
z 0.000 0.000 4.948


<r2> (average value of r2) Å2
<r2> 45.463
(<r2>)1/2 6.743