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

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-378.128155
Energy at 298.15K-378.133812
Nuclear repulsion energy59.811810
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 B3LYP/STO-3G
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 3479 3105 2.72      
2 A 3309 2953 1.36      
3 A 2752 2456 42.31      
4 A 1701 1518 3.38      
5 A 1540 1375 0.16      
6 A 1382 1233 34.86      
7 A 1158 1033 45.42      
8 A 874 780 1.72      
9 A 804 717 4.94      
10 A 3481 3106 1.46      
11 A 2794 2493 54.35      
12 A 1700 1517 2.89      
13 A 1186 1058 18.47      
14 A 843 752 0.29      
15 A 233 208 0.94      

Unscaled Zero Point Vibrational Energy (zpe) 13617.6 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 12152.4 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 B3LYP/STO-3G
ABC
2.39628 0.38857 0.38623

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.073 1.186 0.000
P2 0.073 -0.685 0.000
H3 -0.937 1.619 0.000
H4 0.603 1.562 0.886
H5 0.603 1.562 -0.886
H6 -0.904 -0.795 -1.013
H7 -0.904 -0.795 1.013

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.87101.09851.09831.09832.43062.4306
P21.87102.51492.47232.47231.41191.4119
H31.09852.51491.77731.77732.61782.6178
H41.09832.47231.77731.77123.38122.8008
H51.09832.47231.77731.77122.80083.3812
H62.43061.41192.61783.38122.80082.0258
H72.43061.41192.61782.80083.38122.0258

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 94.490 C1 P2 H7 94.490
P2 C1 H3 113.167 P2 C1 H4 109.998
P2 C1 H5 109.998 H3 C1 H4 108.004
H3 C1 H5 108.004 H4 C1 H5 107.482
H6 P2 H7 91.682
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.355      
2 P 0.337      
3 H 0.069      
4 H 0.070      
5 H 0.070      
6 H -0.096      
7 H -0.096      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.429 0.314 0.000 0.532
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.925 0.699 0.000
y 0.699 -20.190 0.000
z 0.000 0.000 -19.318
Traceless
 xyz
x -0.171 0.699 0.000
y 0.699 -0.569 0.000
z 0.000 0.000 0.740
Polar
3z2-r21.479
x2-y20.265
xy0.699
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.932 0.396 0.000
y 0.396 2.554 0.000
z 0.000 0.000 2.293


<r2> (average value of r2) Å2
<r2> 43.586
(<r2>)1/2 6.602