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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-382.457775
Energy at 298.15K-382.463369
Nuclear repulsion energy59.603519
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 B3LYPultrafine/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 3019 11.98      
2 A 3064 2936 16.46      
3 A 2389 2289 97.80      
4 A 1509 1445 5.62      
5 A 1363 1306 0.24      
6 A 1144 1096 17.89      
7 A 1015 972 52.83      
8 A 747 715 0.57      
9 A 671 642 6.76      
10 A 3141 3009 10.99      
11 A 2399 2298 131.19      
12 A 1510 1447 7.22      
13 A 1051 1007 20.45      
14 A 706 676 0.87      
15 A 235 225 2.69      

Unscaled Zero Point Vibrational Energy (zpe) 12046.4 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 11540.5 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 B3LYPultrafine/6-31G*
ABC
2.38729 0.38644 0.38285

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/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
P21.87562.52282.45742.45741.42571.4257
H31.09292.52281.77951.77952.70732.7073
H41.09452.45741.77951.76573.43042.8475
H51.09452.45741.77951.76572.84753.4304
H62.49881.42572.70733.43042.84752.0724
H72.49881.42572.70732.84753.43042.0724

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 97.451 C1 P2 H7 97.451
P2 C1 H3 113.762 P2 C1 H4 108.796
P2 C1 H5 108.796 H3 C1 H4 108.884
H3 C1 H5 108.884 H4 C1 H5 107.540
H6 P2 H7 93.237
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.617      
2 P 0.072      
3 H 0.177      
4 H 0.175      
5 H 0.175      
6 H 0.009      
7 H 0.009      


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        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.576 1.572 0.000
y 1.572 -22.288 0.000
z 0.000 0.000 -20.893
Traceless
 xyz
x -0.986 1.572 0.000
y 1.572 -0.553 0.000
z 0.000 0.000 1.539
Polar
3z2-r23.078
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> 45.184
(<r2>)1/2 6.722