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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-421.492034
Energy at 298.15K-421.499732
HF Energy-421.492034
Nuclear repulsion energy111.040319
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 HSEh1PBE/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' 3195 3057 11.03      
2 A' 3187 3048 23.70      
3 A' 3081 2947 19.79      
4 A' 2248 2150 148.80      
5 A' 1526 1459 8.22      
6 A' 1523 1457 21.85      
7 A' 1386 1326 3.05      
8 A' 1042 996 34.18      
9 A' 1012 968 50.40      
10 A' 727 695 3.66      
11 A' 642 615 0.72      
12 A' 246 235 0.10      
13 A' 176 169 0.25      
14 A" 3195 3057 4.75      
15 A" 3188 3049 1.43      
16 A" 3083 2949 19.13      
17 A" 1515 1449 18.08      
18 A" 1512 1447 0.07      
19 A" 1368 1309 5.89      
20 A" 1038 993 24.63      
21 A" 882 844 1.03      
22 A" 751 718 0.00      
23 A" 698 667 8.64      
24 A" 165 158 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 18691.3 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 17880.1 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 HSEh1PBE/6-31G
ABC
0.50842 0.22406 0.17183

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.039 -0.686 0.000
H2 1.389 -0.954 0.000
C3 -0.039 0.547 1.450
C4 -0.039 0.547 -1.450
H5 -1.037 0.986 1.534
H6 -1.037 0.986 -1.534
H7 0.176 0.007 2.376
H8 0.176 0.007 -2.376
H9 0.696 1.345 1.317
H10 0.696 1.345 -1.317

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.45301.90301.90302.47812.47812.48442.48442.52932.5293
H21.45302.52852.52853.46373.46372.83552.83552.73842.7384
C31.90302.52852.90051.09313.17681.09293.87021.09362.9721
C41.90302.52852.90053.17681.09313.87021.09292.97211.0936
H52.47813.46371.09313.17683.06731.77154.20891.78253.3547
H62.47813.46373.17681.09313.06734.20891.77153.35471.7825
H72.48442.83551.09293.87021.77154.20894.75221.78403.9618
H82.48442.83553.87021.09294.20891.77154.75223.96181.7840
H92.52932.73841.09362.97211.78253.35471.78403.96182.6330
H102.52932.73842.97211.09363.35471.78253.96181.78402.6330

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 108.564 P1 C3 H7 109.037
P1 C3 H9 112.311 P1 C4 H6 108.564
P1 C4 H8 109.037 P1 C4 H10 112.311
H2 P1 C3 96.865 H2 P1 C4 96.865
C3 P1 C4 99.300 H5 C3 H7 108.270
H5 C3 H9 109.210 H6 C4 H8 108.270
H6 C4 H10 109.210 H7 C3 H9 109.362
H8 C4 H10 109.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.367      
2 H -0.012      
3 C -0.754      
4 C -0.754      
5 H 0.194      
6 H 0.194      
7 H 0.195      
8 H 0.195      
9 H 0.187      
10 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.629 1.493 0.000 1.620
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.440 -1.704 0.000
y -1.704 -30.561 0.000
z 0.000 0.000 -26.604
Traceless
 xyz
x 0.142 -1.704 0.000
y -1.704 -3.039 0.000
z 0.000 0.000 2.897
Polar
3z2-r25.794
x2-y22.121
xy-1.704
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.830 -0.435 0.000
y -0.435 6.143 0.000
z 0.000 0.000 7.335


<r2> (average value of r2) Å2
<r2> 84.782
(<r2>)1/2 9.208