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

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-381.815740
Energy at 298.15K-381.821400
HF Energy-381.496454
Nuclear repulsion energy60.128663
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 MP3=FULL/6-31+G**
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' 3245 3023 10.28      
2 A' 3145 2930 17.75      
3 A' 2502 2331 93.83      
4 A' 1513 1409 5.18      
5 A' 1404 1308 0.56      
6 A' 1156 1077 21.99      
7 A' 1036 965 55.94      
8 A' 767 715 1.43      
9 A' 712 664 10.30      
10 A" 3237 3015 10.61      
11 A" 2513 2341 109.85      
12 A" 1522 1418 7.18      
13 A" 1074 1001 20.72      
14 A" 711 663 3.13      
15 A" 244 227 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 12390.2 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 11542.7 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 MP3=FULL/6-31+G**
ABC
2.43764 0.39335 0.38869

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.069 1.185 0.000
P2 0.069 -0.673 0.000
H3 -0.925 1.622 0.000
H4 0.605 1.537 0.877
H5 0.605 1.537 -0.877
H6 -0.866 -0.858 -1.035
H7 -0.866 -0.858 1.035

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.85811.08591.08691.08692.47402.4740
P21.85812.50082.43752.43751.40751.4075
H31.08592.50081.76621.76622.68782.6878
H41.08692.43751.76621.75483.40002.8153
H51.08692.43751.76621.75482.81533.4000
H62.47401.40752.68783.40002.81532.0709
H72.47401.40752.68782.81533.40002.0709

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 97.551 C1 P2 H7 97.551
P2 C1 H3 113.710 P2 C1 H4 108.892
P2 C1 H5 108.892 H3 C1 H4 108.760
H3 C1 H5 108.760 H4 C1 H5 107.659
H6 P2 H7 94.728
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability