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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-86.086560
Energy at 298.15K-86.094471
HF Energy-86.086560
Nuclear repulsion energy61.604020
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 HF/LANL2DZ
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' 3315 2983 38.09      
2 A' 3312 2981 55.27      
3 A' 3211 2889 35.41      
4 A' 2436 2192 144.44      
5 A' 1631 1468 21.03      
6 A' 1630 1467 5.33      
7 A' 1509 1358 3.11      
8 A' 1132 1019 37.83      
9 A' 1102 992 41.10      
10 A' 778 700 5.32      
11 A' 682 614 0.93      
12 A' 269 242 0.20      
13 A' 188 169 0.15      
14 A" 3315 2983 11.83      
15 A" 3311 2980 6.73      
16 A" 3211 2889 59.38      
17 A" 1622 1460 9.25      
18 A" 1618 1456 3.31      
19 A" 1493 1343 4.50      
20 A" 1145 1031 37.35      
21 A" 964 868 0.68      
22 A" 819 737 1.23      
23 A" 738 665 10.31      
24 A" 172 155 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 19801.6 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 17819.5 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 HF/LANL2DZ
ABC
0.52635 0.22257 0.17226

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.039 -0.670 0.000
H2 1.349 -0.991 0.000
C3 -0.039 0.537 1.458
C4 -0.039 0.537 -1.458
H5 -1.015 0.996 1.537
H6 -1.015 0.996 -1.537
H7 0.154 -0.007 2.374
H8 0.154 -0.007 -2.374
H9 0.707 1.314 1.346
H10 0.707 1.314 -1.346

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.42411.89251.89252.46812.46812.47232.47232.51072.5107
H21.42412.52692.52693.44973.44972.83402.83402.74572.7457
C31.89252.52692.91581.08223.18351.08233.87491.08253.0039
C41.89252.52692.91583.18351.08223.87491.08233.00391.0825
H52.46813.44971.08223.18353.07391.75314.20321.76153.3735
H62.46813.44973.18351.08223.07394.20321.75313.37351.7615
H72.47232.83401.08233.87491.75314.20324.74761.76213.9861
H82.47232.83403.87491.08234.20321.75314.74763.98611.7621
H92.51072.74571.08253.00391.76153.37351.76213.98612.6927
H102.51072.74573.00391.08253.37351.76153.98611.76212.6927

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 109.074 P1 C3 H7 109.376
P1 C3 H9 112.232 P1 C4 H6 109.074
P1 C4 H8 109.376 P1 C4 H10 112.232
H2 P1 C3 98.272 H2 P1 C4 98.272
C3 P1 C4 100.772 H5 C3 H7 108.175
H5 C3 H9 108.926 H6 C4 H8 108.175
H6 C4 H10 108.926 H7 C3 H9 108.973
H8 C4 H10 108.973
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.522      
2 H -0.101      
3 C -0.852      
4 C -0.852      
5 H 0.217      
6 H 0.217      
7 H 0.216      
8 H 0.216      
9 H 0.209      
10 H 0.209      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.567 1.341 0.000 1.456
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.298 -1.612 0.000
y -1.612 -30.206 0.000
z 0.000 0.000 -26.659
Traceless
 xyz
x 0.134 -1.612 0.000
y -1.612 -2.728 0.000
z 0.000 0.000 2.593
Polar
3z2-r25.186
x2-y21.908
xy-1.612
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.544 -0.594 0.000
y -0.594 5.896 0.000
z 0.000 0.000 7.502


<r2> (average value of r2) Å2
<r2> 79.928
(<r2>)1/2 8.940