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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: LSDA/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/aug-cc-pVTZ
 hartrees
Energy at 0K-420.442379
Energy at 298.15K-420.450002
HF Energy-420.442379
Nuclear repulsion energy113.769056
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 LSDA/aug-cc-pVTZ
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' 3068 3039 3.28      
2 A' 3055 3026 9.69      
3 A' 2965 2937 14.18      
4 A' 2298 2277 66.73      
5 A' 1393 1380 3.83      
6 A' 1392 1379 16.50      
7 A' 1247 1235 5.67      
8 A' 964 955 23.53      
9 A' 918 910 25.78      
10 A' 701 694 1.11      
11 A' 656 650 1.49      
12 A' 239 237 0.18      
13 A' 185 184 0.23      
14 A" 3069 3040 1.12      
15 A" 3059 3031 0.12      
16 A" 2970 2942 8.05      
17 A" 1383 1370 10.83      
18 A" 1378 1365 2.07      
19 A" 1232 1220 7.21      
20 A" 979 970 19.59      
21 A" 786 778 0.36      
22 A" 727 720 15.64      
23 A" 678 671 2.19      
24 A" 182 180 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 17761.0 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 17594.0 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 LSDA/aug-cc-pVTZ
ABC
0.53579 0.23798 0.18306

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.038 -0.664 0.000
H2 1.372 -0.923 0.000
C3 -0.038 0.525 1.400
C4 -0.038 0.525 -1.400
H5 -1.039 0.969 1.483
H6 -1.039 0.969 -1.483
H7 0.167 -0.008 2.337
H8 0.167 -0.008 -2.337
H9 0.698 1.331 1.275
H10 0.698 1.331 -1.275

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.43361.83621.83622.42282.42282.43612.43612.47942.4794
H21.43362.45802.45803.40503.40502.78432.78432.67582.6758
C31.83622.45802.79911.09883.08401.09803.78031.09902.8885
C41.83622.45802.79913.08401.09883.78031.09802.88851.0990
H52.42283.40501.09883.08402.96671.77184.12401.78683.2796
H62.42283.40503.08401.09882.96674.12401.77183.27961.7868
H72.43612.78431.09803.78031.77184.12404.67471.79083.8890
H82.43612.78433.78031.09804.12401.77184.67473.88901.7908
H92.47942.67581.09902.88851.78683.27961.79083.88902.5493
H102.47942.67582.88851.09903.27961.78683.88901.79082.5493

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 108.662 P1 C3 H7 109.672
P1 C3 H9 112.865 P1 C4 H6 108.662
P1 C4 H8 109.672 P1 C4 H10 112.865
H2 P1 C3 96.707 H2 P1 C4 96.707
C3 P1 C4 99.317 H5 C3 H7 107.518
H5 C3 H9 108.779 H6 C4 H8 107.518
H6 C4 H10 108.779 H7 C3 H9 109.197
H8 C4 H10 109.197
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.060      
2 H 0.061      
3 C -0.692      
4 C -0.692      
5 H 0.229      
6 H 0.229      
7 H 0.189      
8 H 0.189      
9 H 0.214      
10 H 0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.412 1.277 0.000 1.342
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.588 -1.352 0.000
y -1.352 -30.678 0.000
z 0.000 0.000 -26.949
Traceless
 xyz
x 0.226 -1.352 0.000
y -1.352 -2.909 0.000
z 0.000 0.000 2.684
Polar
3z2-r25.368
x2-y22.090
xy-1.352
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.615 -0.051 0.000
y -0.051 8.549 0.000
z 0.000 0.000 9.514


<r2> (average value of r2) Å2
<r2> 81.332
(<r2>)1/2 9.018