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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: wB97X-D/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/CEP-121G*
 hartrees
Energy at 0K-22.056995
Energy at 298.15K-22.064796
HF Energy-22.056995
Nuclear repulsion energy 
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 wB97X-D/CEP-121G*
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' 3136 3136 25.67      
2 A' 3132 3132 46.85      
3 A' 3047 3047 23.33      
4 A' 2363 2363 114.15      
5 A' 1507 1507 7.69      
6 A' 1503 1503 14.15      
7 A' 1361 1361 2.46      
8 A' 1028 1028 33.68      
9 A' 973 973 30.09      
10 A' 740 740 1.24      
11 A' 665 665 2.84      
12 A' 260 260 0.45      
13 A' 201 201 0.13      
14 A" 3135 3135 14.44      
15 A" 3133 3133 1.36      
16 A" 3049 3049 28.15      
17 A" 1499 1499 9.46      
18 A" 1490 1490 3.15      
19 A" 1344 1344 4.35      
20 A" 1036 1036 26.37      
21 A" 838 838 0.68      
22 A" 734 734 0.36      
23 A" 707 707 17.26      
24 A" 203 203 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 18540.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18540.9 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 wB97X-D/CEP-121G*
ABC
0.52056 0.22919 0.17610

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.038 -0.677 0.000
H2 1.376 -0.931 0.000
C3 -0.038 0.536 1.430
C4 -0.038 0.536 -1.430
H5 -1.030 0.998 1.508
H6 -1.030 0.998 -1.508
H7 0.151 -0.001 2.366
H8 0.151 -0.001 -2.366
H9 0.710 1.328 1.317
H10 0.710 1.328 -1.317

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.43701.87511.87512.46172.46172.46832.46832.51302.5130
H21.43702.48952.48953.43223.43222.82222.82222.69832.6983
C31.87512.48952.86021.09633.13471.09573.83891.09582.9556
C41.87512.48952.86023.13471.09633.83891.09572.95561.0958
H52.46173.43221.09633.13473.01531.76884.17121.78133.3341
H62.46173.43223.13471.09633.01534.17121.76883.33411.7813
H72.46832.82221.09573.83891.76884.17124.73271.78303.9556
H82.46832.82223.83891.09574.17121.76884.73273.95561.7830
H92.51302.69831.09582.95561.78133.33411.78303.95562.6343
H102.51302.69832.95561.09583.33411.78133.95561.78302.6343

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 109.051 P1 C3 H7 109.564
P1 C3 H9 112.886 P1 C4 H6 109.051
P1 C4 H8 109.564 P1 C4 H10 112.886
H2 P1 C3 96.569 H2 P1 C4 96.569
C3 P1 C4 99.401 H5 C3 H7 107.599
H5 C3 H9 108.704 H6 C4 H8 107.599
H6 C4 H10 108.704 H7 C3 H9 108.898
H8 C4 H10 108.898
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.084      
2 H 0.006      
3 C -0.612      
4 C -0.612      
5 H 0.187      
6 H 0.187      
7 H 0.197      
8 H 0.197      
9 H 0.183      
10 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.445 1.243 0.000 1.320
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.337 -1.440 0.000
y -1.440 -29.460 0.000
z 0.000 0.000 -25.903
Traceless
 xyz
x 0.345 -1.440 0.000
y -1.440 -2.840 0.000
z 0.000 0.000 2.495
Polar
3z2-r24.991
x2-y22.124
xy-1.440
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.603 -0.280 0.000
y -0.280 7.016 0.000
z 0.000 0.000 8.022


<r2> (average value of r2) Å2
<r2> 68.856
(<r2>)1/2 8.298