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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: M06-2X/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/3-21G
 hartrees
Energy at 0K-419.510422
Energy at 298.15K-419.518301
HF Energy-419.510422
Nuclear repulsion energy111.263998
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 M06-2X/3-21G
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' 3186 3054 14.68      
2 A' 3158 3027 5.24      
3 A' 3079 2951 8.65      
4 A' 2254 2161 106.11      
5 A' 1553 1489 25.25      
6 A' 1551 1487 4.42      
7 A' 1402 1344 2.74      
8 A' 1055 1012 38.72      
9 A' 1019 977 37.52      
10 A' 754 723 2.93      
11 A' 663 636 0.62      
12 A' 267 256 0.39      
13 A' 198 190 0.09      
14 A" 3187 3055 0.17      
15 A" 3158 3027 0.85      
16 A" 3081 2953 12.46      
17 A" 1541 1478 9.69      
18 A" 1539 1476 7.93      
19 A" 1383 1325 4.45      
20 A" 1066 1022 23.24      
21 A" 896 859 1.84      
22 A" 775 743 0.08      
23 A" 706 677 7.99      
24 A" 205 196 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 18836.8 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 18058.8 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 M06-2X/3-21G
ABC
0.49871 0.22831 0.17312

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.039 -0.697 0.000
H2 1.380 -0.931 0.000
C3 -0.039 0.554 1.436
C4 -0.039 0.554 -1.436
H5 -1.034 1.001 1.505
H6 -1.034 1.001 -1.505
H7 0.171 0.026 2.369
H8 0.171 0.026 -2.369
H9 0.704 1.341 1.284
H10 0.704 1.341 -1.284

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.43811.90441.90442.47782.47782.48622.48622.52092.5209
H21.43812.50622.50623.43883.43882.82712.82712.69632.6963
C31.90442.50622.87211.09283.13721.09253.84761.09302.9280
C41.90442.50622.87213.13721.09283.84761.09252.92801.0930
H52.47783.43881.09283.13723.01101.77414.17321.78433.3044
H62.47783.43883.13721.09283.01104.17321.77413.30441.7843
H72.48622.82711.09253.84761.77414.17324.73871.78593.9196
H82.48622.82713.84761.09254.17321.77414.73873.91961.7859
H92.52092.69631.09302.92801.78433.30441.78593.91962.5690
H102.52092.69632.92801.09303.30441.78433.91961.78592.5690

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 108.466 P1 C3 H7 109.090
P1 C3 H9 111.620 P1 C4 H6 108.466
P1 C4 H8 109.090 P1 C4 H10 111.620
H2 P1 C3 96.142 H2 P1 C4 96.142
C3 P1 C4 97.888 H5 C3 H7 108.558
H5 C3 H9 109.436 H6 C4 H8 108.558
H6 C4 H10 109.436 H7 C3 H9 109.612
H8 C4 H10 109.612
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.470      
2 H -0.000      
3 C -0.894      
4 C -0.894      
5 H 0.221      
6 H 0.221      
7 H 0.223      
8 H 0.223      
9 H 0.214      
10 H 0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.615 1.256 0.000 1.399
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.571 -1.619 0.000
y -1.619 -30.661 0.000
z 0.000 0.000 -27.277
Traceless
 xyz
x 0.398 -1.619 0.000
y -1.619 -2.738 0.000
z 0.000 0.000 2.339
Polar
3z2-r24.679
x2-y22.090
xy-1.619
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.502 -0.474 0.000
y -0.474 5.834 0.000
z 0.000 0.000 7.089


<r2> (average value of r2) Å2
<r2> 84.387
(<r2>)1/2 9.186