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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-421.488571
Energy at 298.15K-421.496170
HF Energy-421.488571
Nuclear repulsion energy111.691120
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3072 3055 9.07      
2 A' 3065 3047 19.44      
3 A' 2969 2952 16.99      
4 A' 2270 2257 91.11      
5 A' 1400 1392 3.22      
6 A' 1398 1389 9.83      
7 A' 1250 1243 0.41      
8 A' 967 961 24.66      
9 A' 918 913 26.83      
10 A' 698 694 0.27      
11 A' 635 631 1.77      
12 A' 242 241 0.07      
13 A' 189 188 0.22      
14 A" 3073 3055 3.84      
15 A" 3067 3050 0.03      
16 A" 2972 2954 17.34      
17 A" 1389 1381 8.54      
18 A" 1385 1377 1.72      
19 A" 1233 1226 0.08      
20 A" 978 973 24.43      
21 A" 788 783 1.22      
22 A" 701 697 5.59      
23 A" 677 673 11.71      
24 A" 180 179 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17757.2 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 17654.2 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 PBEPBE/cc-pVDZ
ABC
0.52076 0.22706 0.17526

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.038 -0.674 0.000
H2 1.389 -0.924 0.000
C3 -0.038 0.534 1.435
C4 -0.038 0.534 -1.435
H5 -1.049 0.981 1.524
H6 -1.049 0.981 -1.524
H7 0.167 -0.018 2.374
H8 0.167 -0.018 -2.374
H9 0.705 1.350 1.325
H10 0.705 1.350 -1.325

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.44891.87611.87612.46642.46642.47182.47182.53072.5307
H21.44892.49482.49483.44933.44932.82002.82002.71972.7197
C31.87612.49482.87071.10903.15911.10843.85491.10892.9729
C41.87612.49482.87073.15911.10903.85491.10842.97291.1089
H52.46643.44931.10903.15913.04791.78884.20401.80353.3661
H62.46643.44933.15911.10903.04794.20401.78883.36611.8035
H72.47182.82001.10843.85491.78884.20404.74871.80603.9808
H82.47182.82003.85491.10844.20401.78884.74873.98081.8060
H92.53072.71971.10892.97291.80353.36611.80603.98082.6503
H102.53072.71972.97291.10893.36611.80353.98081.80602.6503

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 108.694 P1 C3 H7 109.111
P1 C3 H9 113.436 P1 C4 H6 108.694
P1 C4 H8 109.111 P1 C4 H10 113.436
H2 P1 C3 96.388 H2 P1 C4 96.388
C3 P1 C4 99.828 H5 C3 H7 107.551
H5 C3 H9 108.810 H6 C4 H8 107.551
H6 C4 H10 108.810 H7 C3 H9 109.075
H8 C4 H10 109.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.059      
2 H -0.004      
3 C -0.203      
4 C -0.203      
5 H 0.061      
6 H 0.061      
7 H 0.061      
8 H 0.061      
9 H 0.054      
10 H 0.054      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.372 1.152 0.000 1.211
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.214 -1.219 0.000
y -1.219 -30.020 0.000
z 0.000 0.000 -26.756
Traceless
 xyz
x 0.175 -1.219 0.000
y -1.219 -2.535 0.000
z 0.000 0.000 2.361
Polar
3z2-r24.721
x2-y21.807
xy-1.219
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.346 -0.390 0.000
y -0.390 6.719 0.000
z 0.000 0.000 8.141


<r2> (average value of r2) Å2
<r2> 83.730
(<r2>)1/2 9.150