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All results from a given calculation for CH3PHCH3 (dimethylphosphine)

using model chemistry: BLYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-421.760646
Energy at 298.15K-421.768252
HF Energy-421.760646
Nuclear repulsion energy111.755170
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 BLYP/aug-cc-pVTZ
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' 3031 3021 14.46      
2 A' 3026 3015 27.27      
3 A' 2958 2948 21.05      
4 A' 2266 2258 91.47      
5 A' 1442 1437 10.33      
6 A' 1442 1437 1.81      
7 A' 1291 1286 0.60      
8 A' 983 979 22.07      
9 A' 937 933 22.66      
10 A' 696 694 1.17      
11 A' 612 610 3.08      
12 A' 244 243 0.21      
13 A' 183 183 0.13      
14 A" 3032 3021 6.73      
15 A" 3027 3017 0.00      
16 A" 2960 2950 20.16      
17 A" 1434 1430 6.10      
18 A" 1430 1425 2.54      
19 A" 1275 1271 0.16      
20 A" 996 992 22.76      
21 A" 809 806 0.35      
22 A" 707 705 0.00      
23 A" 659 657 16.43      
24 A" 174 174 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17807.4 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 17746.9 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 BLYP/aug-cc-pVTZ
ABC
0.52655 0.22461 0.17402

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 -0.038 -0.670 0.000
H2 1.371 -0.932 0.000
C3 -0.038 0.533 1.447
C4 -0.038 0.533 -1.447
H5 -1.035 0.980 1.535
H6 -1.035 0.980 -1.535
H7 0.163 -0.020 2.372
H8 0.163 -0.020 -2.372
H9 0.702 1.335 1.342
H10 0.702 1.335 -1.342

Atom - Atom Distances (Å)
  P1 H2 C3 C4 H5 H6 H7 H8 H9 H10
P11.43371.88201.88202.46482.46482.46752.46752.52352.5235
H21.43372.49552.49553.43603.43602.81392.81392.71792.7179
C31.88202.49552.89371.09633.17591.09603.86351.09612.9943
C41.88202.49552.89373.17591.09633.86351.09602.99431.0961
H52.46483.43601.09633.17593.07041.77054.20691.78383.3795
H62.46483.43603.17591.09633.07044.20691.77053.37951.7838
H72.46752.81391.09603.86351.77054.20694.74331.78483.9891
H82.46752.81393.86351.09604.20691.77054.74333.98911.7848
H92.52352.71791.09612.99431.78383.37951.78483.98912.6833
H102.52352.71792.99431.09613.37951.78383.98911.78482.6833

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 109.038
P1 C3 H9 113.195 P1 C4 H6 108.824
P1 C4 H8 109.038 P1 C4 H10 113.195
H2 P1 C3 96.710 H2 P1 C4 96.710
C3 P1 C4 100.489 H5 C3 H7 107.722
H5 C3 H9 108.902 H6 C4 H8 107.722
H6 C4 H10 108.902 H7 C3 H9 109.016
H8 C4 H10 109.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.213      
2 H -0.017      
3 C -0.610      
4 C -0.610      
5 H 0.184      
6 H 0.184      
7 H 0.160      
8 H 0.160      
9 H 0.168      
10 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.370 1.143 0.000 1.201
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.019 -1.280 0.000
y -1.280 -30.927 0.000
z 0.000 0.000 -27.590
Traceless
 xyz
x 0.239 -1.280 0.000
y -1.280 -2.622 0.000
z 0.000 0.000 2.383
Polar
3z2-r24.766
x2-y21.908
xy-1.280
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.655 -0.041 0.000
y -0.041 8.671 0.000
z 0.000 0.000 9.809


<r2> (average value of r2) Å2
<r2> 84.516
(<r2>)1/2 9.193