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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: B2PLYP/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 B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-421.533216
Energy at 298.15K-421.540956
HF Energy-421.393727
Nuclear repulsion energy112.293725
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-pVDZ
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' 3155 3021 12.08      
2 A' 3149 3016 23.50      
3 A' 3055 2926 17.08      
4 A' 2388 2287 98.28      
5 A' 1467 1405 1.47      
6 A' 1467 1405 11.00      
7 A' 1320 1264 0.49      
8 A' 1013 970 26.04      
9 A' 962 921 25.47      
10 A' 724 693 0.84      
11 A' 660 632 2.05      
12 A' 255 244 0.17      
13 A' 194 186 0.12      
14 A" 3155 3022 5.92      
15 A" 3151 3018 0.00      
16 A" 3057 2928 19.20      
17 A" 1459 1397 6.46      
18 A" 1453 1392 2.68      
19 A" 1303 1248 0.05      
20 A" 1029 986 26.69      
21 A" 828 793 0.97      
22 A" 727 696 3.16      
23 A" 704 675 13.28      
24 A" 184 177 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 18429.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 17650.3 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-pVDZ
ABC
0.52521 0.22953 0.17686

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.038 -0.672 0.000
H2 1.368 -0.935 0.000
C3 -0.038 0.533 1.428
C4 -0.038 0.533 -1.428
H5 -1.038 0.985 1.511
H6 -1.038 0.985 -1.511
H7 0.161 -0.012 2.364
H8 0.161 -0.012 -2.364
H9 0.707 1.336 1.316
H10 0.707 1.336 -1.316

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.43081.86841.86842.45572.45572.46202.46202.51312.5131
H21.43082.48462.48463.43003.43002.81042.81042.70702.7070
C31.86842.48462.85701.10113.13821.10063.83641.10082.9549
C41.86842.48462.85703.13821.10113.83641.10062.95491.1008
H52.45573.43001.10113.13823.02281.77744.17731.79053.3409
H62.45573.43003.13821.10113.02284.17731.77743.34091.7905
H72.46202.81041.10063.83641.77744.17734.72761.79253.9568
H82.46202.81043.83641.10064.17731.77744.72763.95681.7925
H92.51312.70701.10082.95491.79053.34091.79253.95682.6320
H102.51312.70702.95491.10083.34091.79053.95681.79252.6320

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 108.813 P1 C3 H7 109.302
P1 C3 H9 113.084 P1 C4 H6 108.813
P1 C4 H8 109.302 P1 C4 H10 113.084
H2 P1 C3 96.824 H2 P1 C4 96.824
C3 P1 C4 99.734 H5 C3 H7 107.665
H5 C3 H9 108.804 H6 C4 H8 107.665
H6 C4 H10 108.804 H7 C3 H9 109.029
H8 C4 H10 109.029
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.130      
2 H -0.032      
3 C -0.199      
4 C -0.199      
5 H 0.052      
6 H 0.052      
7 H 0.053      
8 H 0.053      
9 H 0.046      
10 H 0.046      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.386 1.096 0.000 1.162
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.458 -1.279 0.000
y -1.279 -30.290 0.000
z 0.000 0.000 -27.166
Traceless
 xyz
x 0.270 -1.279 0.000
y -1.279 -2.478 0.000
z 0.000 0.000 2.207
Polar
3z2-r24.415
x2-y21.832
xy-1.279
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.138 -0.405 0.000
y -0.405 6.490 0.000
z 0.000 0.000 7.825


<r2> (average value of r2) Å2
<r2> 83.255
(<r2>)1/2 9.124