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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: B3LYP/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 B3LYP/LANL2DZ
 hartrees
Energy at 0K-86.902890
Energy at 298.15K-86.910532
HF Energy-86.902890
Nuclear repulsion energy61.033881
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 B3LYP/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' 3160 3038 31.27      
2 A' 3157 3034 42.06      
3 A' 3052 2933 24.91      
4 A' 2251 2163 126.41      
5 A' 1507 1449 6.48      
6 A' 1505 1447 23.92      
7 A' 1379 1326 5.12      
8 A' 1044 1004 39.07      
9 A' 1009 970 46.51      
10 A' 730 702 1.25      
11 A' 626 602 1.33      
12 A' 247 237 0.06      
13 A' 174 167 0.27      
14 A" 3160 3037 5.86      
15 A" 3156 3034 7.78      
16 A" 3053 2935 36.06      
17 A" 1498 1440 13.33      
18 A" 1493 1435 1.98      
19 A" 1362 1309 7.96      
20 A" 1041 1001 27.84      
21 A" 878 844 2.45      
22 A" 749 720 0.35      
23 A" 676 650 9.53      
24 A" 152 146 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 18528.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 17809.8 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 B3LYP/LANL2DZ
ABC
0.50577 0.22085 0.16967

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.040 -0.688 0.000
H2 1.389 -0.944 0.000
C3 -0.040 0.548 1.461
C4 -0.040 0.548 -1.461
H5 -1.038 0.988 1.556
H6 -1.038 0.988 -1.556
H7 0.185 0.009 2.388
H8 0.185 0.009 -2.388
H9 0.694 1.351 1.328
H10 0.694 1.351 -1.328

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.45111.91391.91392.49582.49582.49832.49832.54162.5416
H21.45112.53002.53003.47063.47062.83922.83922.74112.7411
C31.91392.53002.92241.09553.20871.09583.89371.09582.9935
C41.91392.53002.92243.20871.09553.89371.09582.99351.0958
H52.49583.47061.09553.20873.11231.77444.24451.78433.3835
H62.49583.47063.20871.09553.11234.24451.77443.38351.7843
H72.49832.83921.09583.89371.77444.24454.77701.78473.9837
H82.49832.83923.89371.09584.24451.77444.77703.98371.7847
H92.54162.74111.09582.99351.78433.38351.78473.98372.6554
H102.54162.74112.99351.09583.38351.78433.98371.78472.6554

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 109.006 P1 C3 H7 109.177
P1 C3 H9 112.360 P1 C4 H6 109.006
P1 C4 H8 109.177 P1 C4 H10 112.360
H2 P1 C3 96.537 H2 P1 C4 96.537
C3 P1 C4 99.545 H5 C3 H7 108.142
H5 C3 H9 109.024 H6 C4 H8 108.142
H6 C4 H10 109.024 H7 C3 H9 109.041
H8 C4 H10 109.041
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.418      
2 H -0.049      
3 C -0.891      
4 C -0.891      
5 H 0.239      
6 H 0.239      
7 H 0.235      
8 H 0.235      
9 H 0.233      
10 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.489 1.257 0.000 1.349
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.606 -1.437 0.000
y -1.437 -29.369 0.000
z 0.000 0.000 -26.040
Traceless
 xyz
x 0.099 -1.437 0.000
y -1.437 -2.546 0.000
z 0.000 0.000 2.448
Polar
3z2-r24.895
x2-y21.764
xy-1.437
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.746 -0.448 0.000
y -0.448 6.128 0.000
z 0.000 0.000 7.695


<r2> (average value of r2) Å2
<r2> 80.289
(<r2>)1/2 8.960