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

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-382.457778
Energy at 298.15K-382.463375
Nuclear repulsion energy59.604244
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/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 3152 3027 12.00      
2 A 3065 2943 16.46      
3 A 2393 2298 97.79      
4 A 1509 1449 5.62      
5 A 1363 1309 0.24      
6 A 1145 1100 17.90      
7 A 1014 974 52.83      
8 A 748 718 0.56      
9 A 671 644 6.78      
10 A 3141 3016 11.01      
11 A 2402 2306 131.23      
12 A 1510 1450 7.21      
13 A 1051 1009 20.46      
14 A 707 679 0.86      
15 A 236 226 2.70      

Unscaled Zero Point Vibrational Energy (zpe) 12053.1 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 11574.6 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/6-31G*
ABC
2.38760 0.38643 0.38285

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.071 1.197 0.000
P2 0.071 -0.679 0.000
H3 -0.930 1.637 0.000
H4 0.613 1.549 0.883
H5 0.613 1.549 -0.883
H6 -0.891 -0.864 -1.036
H7 -0.891 -0.864 1.036

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.87561.09291.09451.09452.49882.4988
P21.87562.52282.45742.45741.42551.4255
H31.09292.52281.77951.77952.70732.7073
H41.09452.45741.77951.76573.43032.8476
H51.09452.45741.77951.76572.84763.4303
H62.49881.42552.70733.43032.84762.0720
H72.49881.42552.70732.84763.43032.0720

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 97.453 C1 P2 H7 97.453
P2 C1 H3 113.766 P2 C1 H4 108.796
P2 C1 H5 108.796 H3 C1 H4 108.883
H3 C1 H5 108.883 H4 C1 H5 107.537
H6 P2 H7 93.229
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.617 0.314 -0.553 0.168
2 P 0.072 -0.327 1.366 -0.343
3 H 0.177 -0.035 0.033 0.013
4 H 0.175 -0.061 0.038 -0.017
5 H 0.175 -0.061 0.038 -0.017
6 H 0.009 0.085 -0.460 0.098
7 H 0.009 0.085 -0.460 0.098


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.733 1.099 0.000 1.321
CHELPG 0.670 0.961 0.000 1.172
AIM 1.968 1.613 0.000 2.545
ESP 0.762 1.102 0.000 1.340


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.576 1.572 0.000
y 1.572 -22.287 0.000
z 0.000 0.000 -20.893
Traceless
 xyz
x -0.985 1.572 0.000
y 1.572 -0.553 0.000
z 0.000 0.000 1.538
Polar
3z2-r23.077
x2-y2-0.288
xy1.572
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.238 0.357 0.000
y 0.357 5.331 0.000
z 0.000 0.000 4.644


<r2> (average value of r2) Å2
<r2> 45.566
(<r2>)1/2 6.750