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

using model chemistry: HF/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
Energy calculated at HF/6-31G*
 hartrees
Energy at 0K-381.486257
Energy at 298.15K 
HF Energy-381.486257
Nuclear repulsion energy60.161201
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 HF/6-31G*
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' 3302 2967 17.61      
2 A' 3216 2890 24.22      
3 A' 2589 2326 115.85      
4 A' 1619 1455 5.15      
5 A' 1489 1338 0.18      
6 A' 1247 1121 28.11      
7 A' 1104 992 61.42      
8 A' 803 722 2.13      
9 A' 738 663 7.43      
10 A" 3288 2955 16.49      
11 A" 2582 2320 163.93      
12 A" 1624 1459 6.90      
13 A" 1137 1022 23.71      
14 A" 758 681 3.11      
15 A" 245 220 2.35      

Unscaled Zero Point Vibrational Energy (zpe) 12870.5 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 11564.1 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 HF/6-31G*
ABC
2.45630 0.39300 0.38804

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.068 1.189 0.000
P2 0.068 -0.672 0.000
H3 -0.926 1.617 0.000
H4 0.601 1.545 0.875
H5 0.601 1.545 -0.875
H6 -0.856 -0.882 -1.036
H7 -0.856 -0.882 1.036

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.86021.08261.08431.08432.49332.4933
P21.86022.49512.44142.44141.40411.4041
H31.08262.49511.76131.76132.70642.7064
H41.08432.44141.76131.74983.41522.8352
H51.08432.44141.76131.74982.83523.4152
H62.49331.40412.70643.41522.83522.0718
H72.49331.40412.70642.83523.41522.0718

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 98.637 C1 P2 H7 98.637
P2 C1 H3 113.299 P2 C1 H4 109.158
P2 C1 H5 109.158 H3 C1 H4 108.745
H3 C1 H5 108.745 H4 C1 H5 107.579
H6 P2 H7 95.082
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.708      
2 P 0.207      
3 H 0.190      
4 H 0.188      
5 H 0.188      
6 H -0.032      
7 H -0.032      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.727 1.045 0.000 1.273
CHELPG -0.553 0.876 0.000 1.036
AIM -2.287 1.977 0.000 3.023
ESP -0.631 1.013 0.000 1.194


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.154 1.651 0.007
y 1.651 -22.694 -0.004
z 0.007 -0.004 -21.161
Traceless
 xyz
x -1.226 1.651 0.007
y 1.651 -0.537 -0.004
z 0.007 -0.004 1.763
Polar
3z2-r23.526
x2-y2-0.460
xy1.651
xz0.007
yz-0.004


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.047 0.412 0.002
y 0.412 5.120 -0.001
z 0.002 -0.001 4.631


<r2> (average value of r2) Å2
<r2> 44.956
(<r2>)1/2 6.705