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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: M06-2X/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-421.689696
Energy at 298.15K-421.697441
HF Energy-421.689696
Nuclear repulsion energy112.919070
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/6-31+G**
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' 3161 3010 15.58      
2 A' 3158 3007 16.05      
3 A' 3066 2919 17.01      
4 A' 2408 2293 108.25      
5 A' 1491 1419 14.14      
6 A' 1485 1414 9.18      
7 A' 1346 1282 2.69      
8 A' 1007 959 29.11      
9 A' 971 925 32.81      
10 A' 701 668 2.92      
11 A' 658 626 3.25      
12 A' 262 250 0.64      
13 A' 194 184 0.08      
14 A" 3163 3011 2.49      
15 A" 3159 3008 2.31      
16 A" 3069 2922 19.13      
17 A" 1481 1410 7.67      
18 A" 1473 1403 5.80      
19 A" 1328 1265 3.92      
20 A" 1036 986 28.42      
21 A" 835 796 0.39      
22 A" 734 699 10.88      
23 A" 711 677 6.77      
24 A" 187 178 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 18540.5 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 17654.3 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/6-31+G**
ABC
0.52740 0.23293 0.17883

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.038 -0.672 0.000
H2 1.357 -0.933 0.000
C3 -0.038 0.532 1.418
C4 -0.038 0.532 -1.418
H5 -1.028 0.989 1.495
H6 -1.028 0.989 -1.495
H7 0.153 -0.002 2.352
H8 0.153 -0.002 -2.352
H9 0.707 1.324 1.303
H10 0.707 1.324 -1.303

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.41911.86031.86032.44422.44422.45282.45282.49732.4973
H21.41912.47082.47083.40883.40882.80142.80142.68662.6866
C31.86032.47082.83611.09343.11051.09283.81251.09332.9301
C41.86032.47082.83613.11051.09343.81251.09282.93011.0933
H52.44423.40881.09343.11052.99001.76424.14451.77773.3093
H62.44423.40883.11051.09342.99004.14451.76423.30931.7777
H72.45282.80141.09283.81251.76424.14454.70381.77973.9274
H82.45282.80143.81251.09284.14451.76424.70383.92741.7797
H92.49732.68661.09332.93011.77773.30931.77973.92742.6057
H102.49732.68662.93011.09333.30931.77773.92741.77972.6057

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 108.906 P1 C3 H7 109.558
P1 C3 H9 112.868 P1 C4 H6 108.906
P1 C4 H8 109.558 P1 C4 H10 112.868
H2 P1 C3 96.855 H2 P1 C4 96.855
C3 P1 C4 99.333 H5 C3 H7 107.604
H5 C3 H9 108.774 H6 C4 H8 107.604
H6 C4 H10 108.774 H7 C3 H9 108.993
H8 C4 H10 108.993
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.308      
2 H -0.030      
3 C -0.681      
4 C -0.681      
5 H 0.182      
6 H 0.182      
7 H 0.184      
8 H 0.184      
9 H 0.176      
10 H 0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.494 1.216 0.000 1.313
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.670 -1.528 0.000
y -1.528 -30.797 0.000
z 0.000 0.000 -27.270
Traceless
 xyz
x 0.364 -1.528 0.000
y -1.528 -2.828 0.000
z 0.000 0.000 2.464
Polar
3z2-r24.928
x2-y22.128
xy-1.528
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.548 -0.194 0.000
y -0.194 7.257 0.000
z 0.000 0.000 8.195


<r2> (average value of r2) Å2
<r2> 82.661
(<r2>)1/2 9.092