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

using model chemistry: BLYP/6-311G**

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/6-311G**
 hartrees
Energy at 0K-382.442232
Energy at 298.15K-382.447771
Nuclear repulsion energy59.175220
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/6-311G**
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 3050 3039 12.02      
2 A 2972 2960 19.30      
3 A 2286 2277 81.84      
4 A 1444 1438 5.19      
5 A 1302 1297 0.64      
6 A 1088 1084 19.76      
7 A 977 973 58.98      
8 A 725 722 0.64      
9 A 630 628 8.53      
10 A 3039 3027 12.41      
11 A 2293 2284 98.46      
12 A 1447 1441 7.24      
13 A 1011 1007 19.20      
14 A 689 686 0.57      
15 A 227 226 2.13      

Unscaled Zero Point Vibrational Energy (zpe) 11590.0 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 11544.8 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/6-311G**
ABC
2.35937 0.38004 0.37681

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.071 1.207 0.000
P2 0.071 -0.685 0.000
H3 -0.931 1.651 0.000
H4 0.617 1.558 0.886
H5 0.617 1.558 -0.886
H6 -0.902 -0.866 -1.040
H7 -0.902 -0.866 1.040

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.89271.09631.09821.09822.51562.5156
P21.89272.54232.47272.47271.43591.4359
H31.09632.54231.78641.78642.72352.7235
H41.09822.47271.78641.77253.44862.8648
H51.09822.47271.78641.77252.86483.4486
H62.51561.43592.72353.44862.86482.0794
H72.51561.43592.72352.86483.44862.0794

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 97.234 C1 P2 H7 97.234
P2 C1 H3 113.870 P2 C1 H4 108.603
P2 C1 H5 108.603 H3 C1 H4 108.983
H3 C1 H5 108.983 H4 C1 H5 107.618
H6 P2 H7 92.784
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.533      
2 P 0.165      
3 H 0.139      
4 H 0.135      
5 H 0.135      
6 H -0.020      
7 H -0.020      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.603 1.013 0.000 1.179
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.306 1.430 0.000
y 1.430 -23.044 0.000
z 0.000 0.000 -21.640
Traceless
 xyz
x -0.964 1.430 0.000
y 1.430 -0.571 0.000
z 0.000 0.000 1.535
Polar
3z2-r23.069
x2-y2-0.262
xy1.430
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.128 0.312 0.000
y 0.312 6.255 0.000
z 0.000 0.000 5.322


<r2> (average value of r2) Å2
<r2> 46.122
(<r2>)1/2 6.791