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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: B3LYP/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 B3LYP/cc-pVDZ
 hartrees
Energy at 0K-421.793921
Energy at 298.15K-421.801614
HF Energy-421.793921
Nuclear repulsion energy111.980696
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/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' 3121 3027 13.05      
2 A' 3115 3022 24.92      
3 A' 3028 2937 17.95      
4 A' 2332 2262 101.68      
5 A' 1449 1406 1.69      
6 A' 1449 1405 10.42      
7 A' 1304 1265 0.35      
8 A' 1001 971 26.10      
9 A' 951 923 26.24      
10 A' 716 694 0.54      
11 A' 645 625 2.18      
12 A' 250 243 0.12      
13 A' 192 186 0.15      
14 A" 3121 3028 6.21      
15 A" 3117 3023 0.00      
16 A" 3029 2938 19.98      
17 A" 1441 1398 6.89      
18 A" 1436 1393 2.24      
19 A" 1287 1248 0.01      
20 A" 1017 986 27.05      
21 A" 818 794 1.06      
22 A" 720 699 1.05      
23 A" 691 670 15.86      
24 A" 182 176 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 18204.7 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 17658.6 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/cc-pVDZ
ABC
0.52540 0.22723 0.17559

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.038 -0.671 0.000
H2 1.375 -0.934 0.000
C3 -0.038 0.532 1.436
C4 -0.038 0.532 -1.436
H5 -1.041 0.982 1.523
H6 -1.041 0.982 -1.523
H7 0.163 -0.018 2.369
H8 0.163 -0.018 -2.369
H9 0.705 1.339 1.329
H10 0.705 1.339 -1.329

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.43701.87371.87372.46122.46122.46522.46522.52122.5212
H21.43702.49192.49193.43893.43892.81402.81402.71702.7170
C31.87372.49192.87241.10213.15701.10153.84991.10182.9744
C41.87372.49192.87243.15701.10213.84991.10152.97441.1018
H52.46123.43891.10213.15703.04701.77854.19501.79203.3627
H62.46123.43893.15701.10213.04704.19501.77853.36271.7920
H72.46522.81401.10153.84991.77854.19504.73761.79393.9758
H82.46522.81403.84991.10154.19501.77854.73763.97581.7939
H92.52122.71701.10182.97441.79203.36271.79393.97582.6573
H102.52122.71702.97441.10183.36271.79203.97581.79392.6573

picture of dimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C3 H5 108.824 P1 C3 H7 109.141
P1 C3 H9 113.284 P1 C4 H6 108.824
P1 C4 H8 109.141 P1 C4 H10 113.284
H2 P1 C3 96.763 H2 P1 C4 96.763
C3 P1 C4 100.088 H5 C3 H7 107.624
H5 C3 H9 108.804 H6 C4 H8 107.624
H6 C4 H10 108.804 H7 C3 H9 109.011
H8 C4 H10 109.011
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.115      
2 H -0.035      
3 C -0.170      
4 C -0.170      
5 H 0.045      
6 H 0.045      
7 H 0.045      
8 H 0.045      
9 H 0.040      
10 H 0.040      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.360 1.097 0.000 1.154
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.301 -1.232 0.000
y -1.232 -30.064 0.000
z 0.000 0.000 -26.934
Traceless
 xyz
x 0.199 -1.232 0.000
y -1.232 -2.446 0.000
z 0.000 0.000 2.248
Polar
3z2-r24.496
x2-y21.763
xy-1.232
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.211 -0.409 0.000
y -0.409 6.560 0.000
z 0.000 0.000 7.959


<r2> (average value of r2) Å2
<r2> 83.587
(<r2>)1/2 9.143