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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-382.469408
Energy at 298.15K-382.475033
Nuclear repulsion energy60.029023
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 B1B95/6-311G*
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 3159 3028 10.52      
2 A 3067 2940 18.65      
3 A 2388 2290 79.57      
4 A 1492 1430 7.35      
5 A 1350 1294 0.86      
6 A 1139 1092 19.82      
7 A 1011 969 67.05      
8 A 754 723 0.54      
9 A 687 659 8.95      
10 A 3147 3016 10.28      
11 A 2394 2295 99.22      
12 A 1493 1431 9.68      
13 A 1051 1007 24.87      
14 A 711 681 0.56      
15 A 241 231 2.92      

Unscaled Zero Point Vibrational Energy (zpe) 12040.6 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 11542.1 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 B1B95/6-311G*
ABC
2.40407 0.39330 0.38985

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.071 1.184 0.000
P2 0.071 -0.674 0.000
H3 -0.924 1.625 0.000
H4 0.612 1.537 0.878
H5 0.612 1.537 -0.878
H6 -0.892 -0.850 -1.031
H7 -0.892 -0.850 1.031

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.85741.08811.09001.09002.47542.4754
P21.85742.50482.43962.43961.42171.4217
H31.08812.50481.77091.77092.68192.6819
H41.09002.43961.77091.75543.40682.8259
H51.09002.43961.77091.75542.82593.4068
H62.47541.42172.68193.40682.82592.0622
H72.47541.42172.68192.82593.40682.0622

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 97.142 C1 P2 H7 97.142
P2 C1 H3 113.937 P2 C1 H4 108.932
P2 C1 H5 108.932 H3 C1 H4 108.784
H3 C1 H5 108.784 H4 C1 H5 107.266
H6 P2 H7 92.982
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.889      
2 P 0.026      
3 H 0.249      
4 H 0.248      
5 H 0.248      
6 H 0.059      
7 H 0.059      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.690 1.082 0.000 1.284
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.940 1.537 0.000
y 1.537 -22.735 0.000
z 0.000 0.000 -21.204
Traceless
 xyz
x -0.970 1.537 0.000
y 1.537 -0.664 0.000
z 0.000 0.000 1.634
Polar
3z2-r23.267
x2-y2-0.204
xy1.537
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.789 0.309 0.000
y 0.309 5.774 0.000
z 0.000 0.000 5.022


<r2> (average value of r2) Å2
<r2> 44.884
(<r2>)1/2 6.700