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

using model chemistry: MP2/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 MP2/cc-pVDZ
 hartrees
Energy at 0K-381.785851
Energy at 298.15K-381.791482
HF Energy-381.508775
Nuclear repulsion energy59.627694
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 MP2/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 3210 3058 6.48      
2 A 3096 2949 13.34      
3 A 2466 2349 64.48      
4 A 1474 1404 4.61      
5 A 1323 1260 0.08      
6 A 1139 1085 17.47      
7 A 1003 955 35.86      
8 A 750 714 0.88      
9 A 694 661 8.10      
10 A 3200 3048 5.59      
11 A 2477 2359 91.20      
12 A 1479 1409 5.41      
13 A 1045 995 19.11      
14 A 699 666 0.63      
15 A 246 234 1.79      

Unscaled Zero Point Vibrational Energy (zpe) 12150.0 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 11572.9 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 MP2/cc-pVDZ
ABC
2.37258 0.38815 0.38439

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.070 1.193 0.000
P2 0.070 -0.678 0.000
H3 -0.937 1.635 0.000
H4 0.617 1.546 0.889
H5 0.617 1.546 -0.889
H6 -0.888 -0.858 -1.038
H7 -0.888 -0.858 1.038

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.87061.10021.10191.10192.49082.4908
P21.87062.52282.45662.45661.42441.4244
H31.10022.52281.79261.79262.70142.7014
H41.10192.45661.79261.77853.42952.8407
H51.10192.45661.79261.77852.84073.4295
H62.49081.42442.70143.42952.84072.0757
H72.49081.42442.70142.84073.42952.0757

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 97.286 C1 P2 H7 97.286
P2 C1 H3 113.704 P2 C1 H4 108.697
P2 C1 H5 108.697 H3 C1 H4 108.981
H3 C1 H5 108.981 H4 C1 H5 107.607
H6 P2 H7 93.542
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability