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

using model chemistry: PBEPBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-382.214441
Energy at 298.15K-382.219984
Nuclear repulsion energy59.392996
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 PBEPBE/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 3100 3058 8.17      
2 A 3002 2961 12.83      
3 A 2319 2287 80.75      
4 A 1443 1423 6.10      
5 A 1296 1278 0.27      
6 A 1087 1072 14.92      
7 A 970 957 47.79      
8 A 725 715 0.71      
9 A 656 647 6.46      
10 A 3091 3049 6.96      
11 A 2334 2302 105.80      
12 A 1444 1425 7.58      
13 A 1012 998 20.25      
14 A 684 674 0.40      
15 A 233 230 3.24      

Unscaled Zero Point Vibrational Energy (zpe) 11698.0 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 11537.8 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 PBEPBE/6-31G**
ABC
2.35373 0.38478 0.38170

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.072 1.198 0.000
P2 0.072 -0.680 0.000
H3 -0.932 1.646 0.000
H4 0.620 1.549 0.887
H5 0.620 1.549 -0.887
H6 -0.906 -0.862 -1.038
H7 -0.906 -0.862 1.038

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.87801.09941.10091.10092.50462.5046
P21.87802.53372.46162.46161.43701.4370
H31.09942.53371.79061.79062.71412.7141
H41.10092.46161.79061.77473.44192.8572
H51.10092.46161.79061.77472.85723.4419
H62.50461.43702.71413.44192.85722.0753
H72.50461.43702.71412.85723.44192.0753

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 97.250 C1 P2 H7 97.250
P2 C1 H3 114.072 P2 C1 H4 108.628
P2 C1 H5 108.628 H3 C1 H4 108.942
H3 C1 H5 108.942 H4 C1 H5 107.427
H6 P2 H7 92.455
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.546      
2 P 0.073      
3 H 0.154      
4 H 0.154      
5 H 0.154      
6 H 0.005      
7 H 0.005      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.783 1.162 0.000 1.401
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.426 1.604 0.000
y 1.604 -22.193 0.000
z 0.000 0.000 -20.862
Traceless
 xyz
x -0.899 1.604 0.000
y 1.604 -0.549 0.000
z 0.000 0.000 1.447
Polar
3z2-r22.894
x2-y2-0.233
xy1.604
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.421 0.347 0.000
y 0.347 5.527 0.000
z 0.000 0.000 4.758


<r2> (average value of r2) Å2
<r2> 45.293
(<r2>)1/2 6.730