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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: B2PLYP/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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-421.611863
Energy at 298.15K-421.619625
HF Energy-421.441328
Nuclear repulsion energy113.097162
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 B2PLYP/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' 3137 3009 13.35      
2 A' 3131 3004 23.62      
3 A' 3050 2926 16.43      
4 A' 2393 2296 88.80      
5 A' 1491 1430 8.11      
6 A' 1490 1429 4.90      
7 A' 1340 1285 1.36      
8 A' 1019 978 24.46      
9 A' 972 932 24.72      
10 A' 723 694 1.37      
11 A' 664 637 2.51      
12 A' 254 244 0.21      
13 A' 194 186 0.12      
14 A" 3137 3010 5.76      
15 A" 3133 3005 0.22      
16 A" 3052 2928 16.68      
17 A" 1483 1422 5.84      
18 A" 1477 1417 3.03      
19 A" 1324 1271 0.73      
20 A" 1037 995 24.89      
21 A" 837 803 0.59      
22 A" 732 702 2.35      
23 A" 710 681 14.52      
24 A" 182 175 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 18480.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 17729.8 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 B2PLYP/cc-pVTZ
ABC
0.53540 0.23169 0.17888

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.038 -0.665 0.000
H2 1.354 -0.938 0.000
C3 -0.038 0.528 1.423
C4 -0.038 0.528 -1.423
H5 -1.025 0.981 1.503
H6 -1.025 0.981 -1.503
H7 0.153 -0.013 2.348
H8 0.153 -0.013 -2.348
H9 0.704 1.318 1.315
H10 0.704 1.318 -1.315

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.41861.85691.85692.43772.43772.44402.44402.49182.4918
H21.41862.47242.47243.40633.40632.79472.79472.69122.6912
C31.85692.47242.84631.08913.12131.08863.81451.08862.9445
C41.85692.47242.84633.12131.08913.81451.08862.94451.0886
H52.43773.40631.08913.12133.00621.75814.14821.77103.3229
H62.43773.40633.12131.08913.00624.14821.75813.32291.7710
H72.44402.79471.08863.81451.75814.14824.69591.77283.9359
H82.44402.79473.81451.08864.14821.75814.69593.93591.7728
H92.49182.69121.08862.94451.77103.32291.77283.93592.6297
H102.49182.69122.94451.08863.32291.77103.93591.77282.6297

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 108.873 P1 C3 H7 109.361
P1 C3 H9 112.944 P1 C4 H6 108.873
P1 C4 H8 109.361 P1 C4 H10 112.944
H2 P1 C3 97.114 H2 P1 C4 97.114
C3 P1 C4 100.065 H5 C3 H7 107.673
H5 C3 H9 108.825 H6 C4 H8 107.673
H6 C4 H10 108.825 H7 C3 H9 109.028
H8 C4 H10 109.028
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.094      
2 H 0.002      
3 C -0.387      
4 C -0.387      
5 H 0.113      
6 H 0.113      
7 H 0.118      
8 H 0.118      
9 H 0.109      
10 H 0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.404 1.172 0.000 1.240
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.625 -1.350 0.000
y -1.350 -30.550 0.000
z 0.000 0.000 -27.191
Traceless
 xyz
x 0.245 -1.350 0.000
y -1.350 -2.642 0.000
z 0.000 0.000 2.397
Polar
3z2-r24.795
x2-y21.925
xy-1.350
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.702 -0.257 0.000
y -0.257 7.307 0.000
z 0.000 0.000 8.544


<r2> (average value of r2) Å2
<r2> 82.550
(<r2>)1/2 9.086