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

using model chemistry: HF/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/TZVP
 hartrees
Energy at 0K-381.525508
Energy at 298.15K-381.531228
HF Energy-381.525508
Nuclear repulsion energy60.029635
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 HF/TZVP
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 3265 2966 17.38      
2 A 3180 2889 24.79      
3 A 2521 2291 92.92      
4 A 1591 1446 5.67      
5 A 1455 1322 0.09      
6 A 1217 1105 22.40      
7 A 1082 983 48.43      
8 A 790 718 1.41      
9 A 727 661 7.45      
10 A 3252 2955 16.74      
11 A 2518 2288 128.23      
12 A 1597 1451 7.17      
13 A 1118 1016 20.84      
14 A 744 676 3.04      
15 A 243 221 2.16      

Unscaled Zero Point Vibrational Energy (zpe) 12649.3 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 11493.2 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 HF/TZVP
ABC
2.43966 0.39162 0.38659

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.069 1.192 0.000
P2 0.069 -0.672 0.000
H3 -0.925 1.618 0.000
H4 0.602 1.542 0.875
H5 0.602 1.542 -0.875
H6 -0.860 -0.887 -1.043
H7 -0.860 -0.887 1.043

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.86431.08141.08321.08322.50492.5049
P21.86432.49642.44022.44021.41291.4129
H31.08142.49641.76221.76222.71422.7142
H41.08322.44021.76221.75053.42352.8408
H51.08322.44021.76221.75052.84083.4235
H62.50491.41292.71423.42352.84082.0852
H72.50491.41292.71422.84083.42352.0852

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 98.763 C1 P2 H7 98.763
P2 C1 H3 113.176 P2 C1 H4 108.858
P2 C1 H5 108.858 H3 C1 H4 109.003
H3 C1 H5 109.003 H4 C1 H5 107.806
H6 P2 H7 95.109
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.348      
2 P 0.160      
3 H 0.104      
4 H 0.098      
5 H 0.098      
6 H -0.056      
7 H -0.056      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.702 1.038 0.000 1.253
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.167 1.622 0.000
y 1.622 -22.861 0.000
z 0.000 0.000 -21.197
Traceless
 xyz
x -1.138 1.622 0.000
y 1.622 -0.679 0.000
z 0.000 0.000 1.817
Polar
3z2-r23.634
x2-y2-0.306
xy1.622
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.631 0.386 0.000
y 0.386 5.894 0.000
z 0.000 0.000 5.136


<r2> (average value of r2) Å2
<r2> 45.116
(<r2>)1/2 6.717