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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: B97D3/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-311G**
 hartrees
Energy at 0K-421.767402
Energy at 298.15K-421.775067
HF Energy-421.767402
Nuclear repulsion energy112.202174
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 B97D3/6-311G**
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' 3067 3024 19.80      
2 A' 3061 3017 36.07      
3 A' 2978 2936 26.83      
4 A' 2297 2264 103.71      
5 A' 1454 1433 1.43      
6 A' 1452 1431 14.11      
7 A' 1311 1292 0.42      
8 A' 1000 986 39.58      
9 A' 956 942 36.36      
10 A' 716 705 1.65      
11 A' 630 621 2.57      
12 A' 252 248 0.33      
13 A' 189 186 0.27      
14 A" 3067 3024 9.49      
15 A" 3062 3018 0.82      
16 A" 2980 2938 25.19      
17 A" 1444 1423 9.79      
18 A" 1439 1418 1.63      
19 A" 1293 1274 0.69      
20 A" 1009 995 28.80      
21 A" 823 811 0.56      
22 A" 719 709 0.09      
23 A" 675 665 16.12      
24 A" 173 171 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 18022.7 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 17765.0 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 B97D3/6-311G**
ABC
0.52366 0.22884 0.17622

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.038 -0.674 0.000
H2 1.372 -0.927 0.000
C3 -0.038 0.534 1.432
C4 -0.038 0.534 -1.432
H5 -1.034 0.985 1.514
H6 -1.034 0.985 -1.514
H7 0.160 -0.008 2.363
H8 0.160 -0.008 -2.363
H9 0.704 1.334 1.319
H10 0.704 1.334 -1.319

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.43241.87331.87332.45702.45702.46292.46292.51432.5143
H21.43242.48472.48473.42613.42612.80982.80982.70182.7018
C31.87332.48472.86321.09643.14201.09613.83831.09642.9590
C41.87332.48472.86323.14201.09643.83831.09612.95901.0964
H52.45703.42611.09643.14203.02811.77054.17671.78333.3419
H62.45703.42613.14201.09643.02814.17671.77053.34191.7833
H72.46292.80981.09613.83831.77054.17674.72591.78523.9565
H82.46292.80983.83831.09614.17671.77054.72593.95651.7852
H92.51432.70181.09642.95901.78333.34191.78523.95652.6381
H102.51432.70182.95901.09643.34191.78333.95651.78522.6381

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 108.818 P1 C3 H7 109.263
P1 C3 H9 113.072 P1 C4 H6 108.818
P1 C4 H8 109.263 P1 C4 H10 113.072
H2 P1 C3 96.552 H2 P1 C4 96.552
C3 P1 C4 99.671 H5 C3 H7 107.710
H5 C3 H9 108.820 H6 C4 H8 107.710
H6 C4 H10 108.820 H7 C3 H9 109.017
H8 C4 H10 109.017
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.260      
2 H -0.016      
3 C -0.535      
4 C -0.535      
5 H 0.137      
6 H 0.137      
7 H 0.142      
8 H 0.142      
9 H 0.133      
10 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.447 1.265 0.000 1.342
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.653 -1.410 0.000
y -1.410 -30.649 0.000
z 0.000 0.000 -27.135
Traceless
 xyz
x 0.239 -1.410 0.000
y -1.410 -2.755 0.000
z 0.000 0.000 2.516
Polar
3z2-r25.032
x2-y21.996
xy-1.410
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.655 -0.245 0.000
y -0.245 7.170 0.000
z 0.000 0.000 8.229


<r2> (average value of r2) Å2
<r2> 83.521
(<r2>)1/2 9.139