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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-419.613332
Energy at 298.15K-419.621289
HF Energy-419.613332
Nuclear repulsion energy113.091937
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' 3162 2995 17.82      
2 A' 3134 2968 8.64      
3 A' 3061 2899 6.76      
4 A' 2517 2384 86.13      
5 A' 1555 1473 20.72      
6 A' 1551 1469 5.88      
7 A' 1411 1336 5.28      
8 A' 1072 1015 45.06      
9 A' 1020 966 37.34      
10 A' 770 729 0.62      
11 A' 676 640 2.24      
12 A' 283 268 0.41      
13 A' 211 200 0.14      
14 A" 3163 2996 0.09      
15 A" 3133 2968 0.75      
16 A" 3063 2902 12.73      
17 A" 1544 1462 6.99      
18 A" 1538 1457 8.70      
19 A" 1395 1321 10.05      
20 A" 1085 1028 27.06      
21 A" 888 841 3.02      
22 A" 772 731 0.98      
23 A" 719 681 15.31      
24 A" 224 212 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 18972.5 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 17970.7 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
0.52317 0.23556 0.17994

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 -0.038 -0.677 0.000
H2 1.357 -0.909 0.000
C3 -0.038 0.534 1.409
C4 -0.038 0.534 -1.409
H5 -1.031 0.991 1.490
H6 -1.031 0.991 -1.490
H7 0.165 0.008 2.347
H8 0.165 0.008 -2.347
H9 0.704 1.327 1.277
H10 0.704 1.327 -1.277

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.41441.85821.85822.44662.44662.45382.45382.48992.4899
H21.41442.45262.45263.39553.39552.78772.78772.65652.6565
C31.85822.45262.81811.09533.09771.09483.79851.09462.8972
C41.85822.45262.81813.09771.09533.79851.09482.89721.0946
H52.44663.39551.09533.09772.97941.76954.13741.78033.2828
H62.44663.39553.09771.09532.97944.13741.76953.28281.7803
H72.45382.78771.09483.79851.76954.13744.69471.78243.8941
H82.45382.78773.79851.09484.13741.76954.69473.89411.7824
H92.48992.65651.09462.89721.78033.28281.78243.89412.5534
H102.48992.65652.89721.09463.28281.78033.89411.78242.5534

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 109.118 P1 C3 H7 109.672
P1 C3 H9 112.375 P1 C4 H6 109.118
P1 C4 H8 109.672 P1 C4 H10 112.375
H2 P1 C3 96.136 H2 P1 C4 96.136
C3 P1 C4 98.624 H5 C3 H7 107.793
H5 C3 H9 108.772 H6 C4 H8 107.793
H6 C4 H10 108.772 H7 C3 H9 109.000
H8 C4 H10 109.000
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 0.335      
2 H 0.032      
3 C -0.812      
4 C -0.812      
5 H 0.209      
6 H 0.209      
7 H 0.214      
8 H 0.214      
9 H 0.206      
10 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.479 1.191 0.000 1.283
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.228 -1.456 0.000
y -1.456 -30.113 0.000
z 0.000 0.000 -26.812
Traceless
 xyz
x 0.235 -1.456 0.000
y -1.456 -2.593 0.000
z 0.000 0.000 2.359
Polar
3z2-r24.717
x2-y21.885
xy-1.456
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.410 -0.377 0.000
y -0.377 5.725 0.000
z 0.000 0.000 6.818


<r2> (average value of r2) Å2
<r2> 81.941
(<r2>)1/2 9.052