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: B3LYP/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-382.510356
Energy at 298.15K-382.515947
Nuclear repulsion energy59.957108
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/6-311+G(3df,2p)
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 3120 3018 7.78      
2 A 3038 2938 13.53      
3 A 2376 2298 63.59      
4 A 1476 1427 4.98      
5 A 1329 1285 0.13      
6 A 1119 1082 16.50      
7 A 995 962 38.50      
8 A 741 716 0.30      
9 A 670 648 10.27      
10 A 3107 3005 7.82      
11 A 2381 2302 76.86      
12 A 1481 1432 5.96      
13 A 1036 1002 17.24      
14 A 699 676 0.67      
15 A 230 223 1.36      

Unscaled Zero Point Vibrational Energy (zpe) 11899.8 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 11507.1 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/6-311+G(3df,2p)
ABC
2.41271 0.39148 0.38781

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.070 1.189 0.000
P2 0.070 -0.673 0.000
H3 -0.926 1.626 0.000
H4 0.610 1.539 0.879
H5 0.610 1.539 -0.879
H6 -0.885 -0.869 -1.030
H7 -0.885 -0.869 1.030

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.86251.08751.08961.08962.49202.4920
P21.86252.50562.44112.44111.41871.4187
H31.08752.50561.77211.77212.69942.6994
H41.08962.44111.77211.75843.41782.8387
H51.08962.44111.77211.75842.83873.4178
H62.49201.41872.69943.41782.83872.0604
H72.49201.41872.69942.83873.41782.0604

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 97.924 C1 P2 H7 97.924
P2 C1 H3 113.673 P2 C1 H4 108.726
P2 C1 H5 108.726 H3 C1 H4 108.974
H3 C1 H5 108.974 H4 C1 H5 107.596
H6 P2 H7 93.131
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.489      
2 P -0.011      
3 H 0.157      
4 H 0.159      
5 H 0.159      
6 H 0.012      
7 H 0.012      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.524 1.045 0.000 1.169
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.810 0.152 0.000
y 0.152 7.081 0.000
z 0.000 0.000 5.711


<r2> (average value of r2) Å2
<r2> 45.066
(<r2>)1/2 6.713