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

using model chemistry: PBEPBE/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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-382.219187
Energy at 298.15K-382.224719
Nuclear repulsion energy59.548070
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(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 3092 3060 6.15      
2 A 2994 2963 10.39      
3 A 2317 2293 54.39      
4 A 1425 1410 4.21      
5 A 1269 1256 0.24      
6 A 1074 1063 12.63      
7 A 957 947 35.82      
8 A 718 711 0.72      
9 A 658 651 6.67      
10 A 3080 3048 5.24      
11 A 2329 2305 76.25      
12 A 1428 1413 4.96      
13 A 1002 991 17.09      
14 A 677 670 0.09      
15 A 231 229 2.46      

Unscaled Zero Point Vibrational Energy (zpe) 11623.9 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 11504.2 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(2df,p)
ABC
2.35633 0.38744 0.38451

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.072 1.193 0.000
P2 0.072 -0.678 0.000
H3 -0.933 1.637 0.000
H4 0.620 1.543 0.888
H5 0.620 1.543 -0.888
H6 -0.907 -0.859 -1.034
H7 -0.907 -0.859 1.034

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.87111.09861.10061.10062.49802.4980
P21.87112.52352.45402.45401.43521.4352
H31.09862.52351.79151.79152.70192.7019
H41.10062.45401.79151.77593.43472.8506
H51.10062.45401.79151.77592.85063.4347
H62.49801.43522.70193.43472.85062.0673
H72.49801.43522.70192.85063.43472.0673

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 97.268 C1 P2 H7 97.268
P2 C1 H3 113.817 P2 C1 H4 108.546
P2 C1 H5 108.546 H3 C1 H4 109.094
H3 C1 H5 109.094 H4 C1 H5 107.560
H6 P2 H7 92.146
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.421      
2 P -0.210      
3 H 0.151      
4 H 0.152      
5 H 0.152      
6 H 0.089      
7 H 0.089      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.671 1.179 0.000 1.356
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.213 1.444 0.000
y 1.444 -22.074 0.000
z 0.000 0.000 -20.824
Traceless
 xyz
x -0.764 1.444 0.000
y 1.444 -0.555 0.000
z 0.000 0.000 1.319
Polar
3z2-r22.638
x2-y2-0.139
xy1.444
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.779 0.262 0.000
y 0.262 5.919 0.000
z 0.000 0.000 4.958


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000