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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-421.777240
Energy at 298.15K-421.784968
HF Energy-421.777240
Nuclear repulsion energy112.278649
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 B3LYPultrafine/6-31G*
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' 3134 3002 16.50      
2 A' 3130 2998 31.19      
3 A' 3050 2922 18.42      
4 A' 2372 2273 128.80      
5 A' 1512 1448 3.17      
6 A' 1510 1446 11.48      
7 A' 1368 1311 0.58      
8 A' 1031 988 37.33      
9 A' 986 944 35.74      
10 A' 728 697 1.47      
11 A' 651 623 1.73      
12 A' 256 245 0.14      
13 A' 191 183 0.19      
14 A" 3134 3003 7.89      
15 A" 3130 2999 0.06      
16 A" 3051 2923 18.61      
17 A" 1503 1440 9.44      
18 A" 1497 1434 1.81      
19 A" 1351 1294 0.76      
20 A" 1042 998 30.67      
21 A" 845 810 0.87      
22 A" 734 703 0.35      
23 A" 699 670 13.32      
24 A" 185 178 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 18544.3 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 17765.5 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 B3LYPultrafine/6-31G*
ABC
0.52894 0.22783 0.17607

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.038 -0.669 0.000
H2 1.364 -0.935 0.000
C3 -0.038 0.531 1.435
C4 -0.038 0.531 -1.435
H5 -1.034 0.978 1.528
H6 -1.034 0.978 -1.528
H7 0.167 -0.013 2.363
H8 0.167 -0.013 -2.363
H9 0.698 1.335 1.327
H10 0.698 1.335 -1.327

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.42721.87071.87072.45752.45752.46092.46092.51372.5137
H21.42722.48502.48503.42713.42712.80482.80482.71282.7128
C31.87072.48502.87001.09533.15781.09503.84211.09522.9692
C41.87072.48502.87003.15781.09533.84211.09502.96921.0952
H52.45753.42711.09533.15783.05641.76644.19101.77933.3582
H62.45753.42713.15781.09533.05644.19101.76643.35821.7793
H72.46092.80481.09503.84211.76644.19104.72581.78103.9640
H82.46092.80483.84211.09504.19101.76644.72583.96401.7810
H92.51372.71281.09522.96921.77933.35821.78103.96402.6538
H102.51372.71282.96921.09523.35821.77933.96401.78102.6538

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 109.087 P1 C3 H7 109.348
P1 C3 H9 113.284 P1 C4 H6 109.087
P1 C4 H8 109.348 P1 C4 H10 113.284
H2 P1 C3 96.870 H2 P1 C4 96.870
C3 P1 C4 100.184 H5 C3 H7 107.506
H5 C3 H9 108.638 H6 C4 H8 107.506
H6 C4 H10 108.638 H7 C3 H9 108.815
H8 C4 H10 108.815
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.239      
2 H -0.012      
3 C -0.618      
4 C -0.618      
5 H 0.168      
6 H 0.168      
7 H 0.171      
8 H 0.171      
9 H 0.165      
10 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.475 1.309 0.000 1.392
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.179 -1.476 0.000
y -1.476 -30.054 0.000
z 0.000 0.000 -26.479
Traceless
 xyz
x 0.087 -1.476 0.000
y -1.476 -2.725 0.000
z 0.000 0.000 2.638
Polar
3z2-r25.276
x2-y21.875
xy-1.476
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.771 -0.348 0.000
y -0.348 6.172 0.000
z 0.000 0.000 7.310


<r2> (average value of r2) Å2
<r2> 83.226
(<r2>)1/2 9.123