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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-382.207430
Energy at 298.15K-382.212975
HF Energy-382.207430
Nuclear repulsion energy59.353870
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 PBEPBEultrafine/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' 3098 3047 8.96      
2 A' 3004 2954 13.50      
3 A' 2323 2285 90.28      
4 A' 1461 1437 6.73      
5 A' 1312 1290 0.32      
6 A' 1103 1084 14.50      
7 A' 979 962 50.12      
8 A' 727 715 0.67      
9 A' 657 646 6.28      
10 A" 3088 3037 7.80      
11 A" 2339 2300 117.85      
12 A" 1462 1438 8.28      
13 A" 1018 1002 20.86      
14 A" 686 675 0.40      
15 A" 233 229 3.29      

Unscaled Zero Point Vibrational Energy (zpe) 11744.1 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 11550.4 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 PBEPBEultrafine/6-31G*
ABC
2.34832 0.38437 0.38130

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/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 -0.681 0.000
H3 -0.934 1.645 0.000
H4 0.620 1.551 0.888
H5 0.620 1.551 -0.888
H6 -0.907 -0.858 -1.039
H7 -0.907 -0.858 1.039

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.87931.10051.10211.10212.50242.5024
P21.87932.53412.46452.46451.43791.4379
H31.10052.53411.79241.79242.70942.7094
H41.10212.46451.79241.77693.44192.8557
H51.10212.46451.79241.77692.85573.4419
H62.50241.43792.70943.44192.85572.0775
H72.50241.43792.70942.85573.44192.0775

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 97.043 C1 P2 H7 97.043
P2 C1 H3 113.946 P2 C1 H4 108.691
P2 C1 H5 108.691 H3 C1 H4 108.934
H3 C1 H5 108.934 H4 C1 H5 107.449
H6 P2 H7 92.506
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.656      
2 P 0.012      
3 H 0.192      
4 H 0.192      
5 H 0.192      
6 H 0.034      
7 H 0.034      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.785 1.172 0.000 1.410
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.464 1.610 0.005
y 1.610 -22.250 -0.004
z 0.005 -0.004 -20.876
Traceless
 xyz
x -0.901 1.610 0.005
y 1.610 -0.580 -0.004
z 0.005 -0.004 1.481
Polar
3z2-r22.962
x2-y2-0.214
xy1.610
xz0.005
yz-0.004


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.362 0.341 0.001
y 0.341 5.445 -0.001
z 0.001 -0.001 4.705


<r2> (average value of r2) Å2
<r2> 45.347
(<r2>)1/2 6.734