return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3PH2 (Methyl phosphine)

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-382.460853
Energy at 298.15K-382.466465
HF Energy-382.460853
Nuclear repulsion energy59.969006
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 wB97X-D/6-311G**
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' 3161 3024 8.80      
2 A' 3067 2933 16.47      
3 A' 2396 2292 70.66      
4 A' 1480 1416 6.45      
5 A' 1348 1289 0.84      
6 A' 1135 1086 21.64      
7 A' 1010 966 62.27      
8 A' 752 719 0.80      
9 A' 692 662 8.89      
10 A" 3149 3012 8.43      
11 A" 2401 2297 89.56      
12 A" 1478 1414 8.80      
13 A" 1047 1001 23.81      
14 A" 705 674 0.87      
15 A" 228 218 2.92      

Unscaled Zero Point Vibrational Energy (zpe) 12023.6 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 11500.6 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 wB97X-D/6-311G**
ABC
2.40529 0.39244 0.38846

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.070 1.185 0.000
P2 0.070 -0.673 0.000
H3 -0.929 1.623 0.000
H4 0.610 1.536 0.881
H5 0.610 1.536 -0.881
H6 -0.882 -0.858 -1.036
H7 -0.882 -0.858 1.036

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.85831.09041.09151.09152.48072.4807
P21.85832.50392.43912.43911.41911.4191
H31.09042.50391.77541.77542.68892.6889
H41.09152.43911.77541.76223.41082.8254
H51.09152.43911.77541.76222.82543.4108
H62.48071.41912.68893.41082.82542.0718
H72.48071.41912.68892.82543.41082.0718

picture of Methyl phosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H6 97.485 C1 P2 H7 97.485
P2 C1 H3 113.674 P2 C1 H4 108.760
P2 C1 H5 108.760 H3 C1 H4 108.912
H3 C1 H5 108.912 H4 C1 H5 107.655
H6 P2 H7 93.767
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.586      
2 P 0.170      
3 H 0.153      
4 H 0.151      
5 H 0.151      
6 H -0.019      
7 H -0.019      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.716 1.059 0.000 1.279
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.938 1.582 0.000
y 1.582 -22.623 0.000
z 0.000 0.000 -21.155
Traceless
 xyz
x -1.049 1.582 0.000
y 1.582 -0.576 0.000
z 0.000 0.000 1.626
Polar
3z2-r23.251
x2-y2-0.315
xy1.582
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.876 0.328 0.000
y 0.328 5.868 0.000
z 0.000 0.000 5.174


<r2> (average value of r2) Å2
<r2> 44.968
(<r2>)1/2 6.706