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

using model chemistry: PBEPBE/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-382.260188
Energy at 298.15K-382.265718
Nuclear repulsion energy59.569792
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/cc-pVTZ
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 3072 3051 7.36      
2 A 2983 2962 12.41      
3 A 2307 2291 59.10      
4 A 1422 1412 4.99      
5 A 1271 1262 0.03      
6 A 1069 1062 12.58      
7 A 956 949 31.72      
8 A 716 711 0.41      
9 A 655 650 8.63      
10 A 3060 3039 6.67      
11 A 2317 2301 74.56      
12 A 1426 1416 5.89      
13 A 999 993 16.04      
14 A 677 672 0.18      
15 A 225 224 1.55      

Unscaled Zero Point Vibrational Energy (zpe) 11577.2 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 11497.3 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/cc-pVTZ
ABC
2.36302 0.38734 0.38432

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.072 1.194 0.000
P2 0.072 -0.678 0.000
H3 -0.931 1.636 0.000
H4 0.618 1.544 0.886
H5 0.618 1.544 -0.886
H6 -0.906 -0.860 -1.034
H7 -0.906 -0.860 1.034

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.87191.09571.09771.09772.49892.4989
P21.87192.52192.45302.45301.43461.4346
H31.09572.52191.78651.78652.70222.7022
H41.09772.45301.78651.77163.43292.8496
H51.09772.45301.78651.77162.84963.4329
H62.49891.43462.70223.43292.84962.0685
H72.49891.43462.70222.84963.43292.0685

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 97.299 C1 P2 H7 97.299
P2 C1 H3 113.796 P2 C1 H4 108.564
P2 C1 H5 108.564 H3 C1 H4 109.069
H3 C1 H5 109.069 H4 C1 H5 107.601
H6 P2 H7 92.265
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.343      
2 P -0.023      
3 H 0.112      
4 H 0.110      
5 H 0.110      
6 H 0.017      
7 H 0.017      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.536 1.051 0.000 1.180
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.632 1.297 0.000
y 1.297 -22.495 0.000
z 0.000 0.000 -21.242
Traceless
 xyz
x -0.764 1.297 0.000
y 1.297 -0.558 0.000
z 0.000 0.000 1.322
Polar
3z2-r22.644
x2-y2-0.138
xy1.297
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.451 0.309 0.000
y 0.309 6.709 0.000
z 0.000 0.000 5.592


<r2> (average value of r2) Å2
<r2> 45.273
(<r2>)1/2 6.728