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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: SVWN/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at SVWN/6-311G*
 hartrees
Energy at 0K-420.416746
Energy at 298.15K-420.424425
HF Energy-420.416746
Nuclear repulsion energy113.501071
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 SVWN/6-311G*
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' 3065 3035 5.90      
2 A' 3053 3024 14.64      
3 A' 2966 2938 19.68      
4 A' 2277 2255 85.99      
5 A' 1427 1414 8.71      
6 A' 1422 1408 23.46      
7 A' 1297 1285 6.43      
8 A' 991 981 50.42      
9 A' 947 938 47.40      
10 A' 715 708 1.06      
11 A' 665 658 1.62      
12 A' 247 245 0.40      
13 A' 195 193 0.48      
14 A" 3066 3036 2.24      
15 A" 3057 3028 0.06      
16 A" 2970 2942 11.33      
17 A" 1413 1400 20.04      
18 A" 1407 1394 0.01      
19 A" 1277 1265 15.17      
20 A" 996 986 27.96      
21 A" 808 801 1.45      
22 A" 728 721 14.28      
23 A" 690 684 3.64      
24 A" 183 181 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 17930.9 cm-1
Scaled (by 0.9904) Zero Point Vibrational Energy (zpe) 17758.8 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 SVWN/6-311G*
ABC
0.53000 0.23781 0.18234

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.038 -0.669 0.000
H2 1.379 -0.913 0.000
C3 -0.038 0.527 1.398
C4 -0.038 0.527 -1.398
H5 -1.041 0.971 1.494
H6 -1.041 0.971 -1.494
H7 0.172 0.002 2.342
H8 0.172 0.002 -2.342
H9 0.692 1.343 1.279
H10 0.692 1.343 -1.279

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.43781.84011.84012.43502.43502.44552.44552.49412.4941
H21.43782.45692.45693.41153.41152.78922.78922.68352.6835
C31.84012.45692.79611.10103.09351.10053.78271.10152.8925
C41.84012.45692.79613.09351.10103.78271.10052.89251.1015
H52.43503.41151.10103.09352.98891.76874.13881.78543.2916
H62.43503.41153.09351.10102.98894.13881.76873.29161.7854
H72.44552.78921.10053.78271.76874.13884.68431.78883.8966
H82.44552.78923.78271.10054.13881.76874.68433.89661.7888
H92.49412.68351.10152.89251.78543.29161.78883.89662.5583
H102.49412.68352.89251.10153.29161.78543.89661.78882.5583

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 109.177 P1 C3 H7 109.974
P1 C3 H9 113.576 P1 C4 H6 109.177
P1 C4 H8 109.974 P1 C4 H10 113.576
H2 P1 C3 96.326 H2 P1 C4 96.326
C3 P1 C4 98.888 H5 C3 H7 106.918
H5 C3 H9 108.318 H6 C4 H8 106.918
H6 C4 H10 108.318 H7 C3 H9 108.652
H8 C4 H10 108.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.263      
2 H 0.071      
3 C -0.966      
4 C -0.966      
5 H 0.269      
6 H 0.269      
7 H 0.273      
8 H 0.273      
9 H 0.258      
10 H 0.258      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.481 1.349 0.000 1.433
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.771 -1.495 0.000
y -1.495 -30.949 0.000
z 0.000 0.000 -27.116
Traceless
 xyz
x 0.262 -1.495 0.000
y -1.495 -3.006 0.000
z 0.000 0.000 2.744
Polar
3z2-r25.489
x2-y22.178
xy-1.495
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.659 -0.221 0.000
y -0.221 7.082 0.000
z 0.000 0.000 7.984


<r2> (average value of r2) Å2
<r2> 81.752
(<r2>)1/2 9.042