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

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-47.055099
Energy at 298.15K-47.060800
Nuclear repulsion energy28.802539
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/LANL2DZ
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 3330 2996 28.67      
2 A 3223 2901 43.73      
3 A 2442 2198 93.36      
4 A 1628 1465 9.69      
5 A 1505 1354 1.05      
6 A 1230 1107 33.94      
7 A 1111 1000 55.61      
8 A 805 725 2.59      
9 A 707 636 2.94      
10 A 3327 2994 22.89      
11 A 2457 2211 135.67      
12 A 1630 1467 8.73      
13 A 1149 1034 26.80      
14 A 771 694 4.07      
15 A 228 205 4.09      

Unscaled Zero Point Vibrational Energy (zpe) 12771.3 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 11492.9 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 HF/LANL2DZ
ABC
2.42137 0.38026 0.37484

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.112 -0.788 0.000
P2 -0.112 1.109 0.000
H3 0.886 -1.203 0.000
H4 -0.641 -1.138 0.876
H5 -0.641 -1.138 -0.876
H6 0.814 1.332 -1.058
H7 0.814 1.332 1.058

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.89661.08071.08131.08132.54392.5439
P21.89662.51802.46842.46841.42331.4233
H31.08072.51801.76121.76122.74842.7484
H41.08132.46841.76121.75193.45772.8722
H51.08132.46841.76121.75192.87223.4577
H62.54391.42332.74843.45772.87222.1156
H72.54391.42332.74842.87223.45772.1156

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 99.044 C1 P2 H7 99.044
P2 C1 H3 112.602 P2 C1 H4 108.872
P2 C1 H5 108.872 H3 C1 H4 109.097
H3 C1 H5 109.097 H4 C1 H5 108.206
H6 P2 H7 96.005
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.844      
2 P 0.324      
3 H 0.218      
4 H 0.223      
5 H 0.223      
6 H -0.072      
7 H -0.072      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.933 -1.126 0.000 1.462
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.666 2.239 0.000
y 2.239 -23.114 0.000
z 0.000 0.000 -20.647
Traceless
 xyz
x -0.786 2.239 0.000
y 2.239 -1.457 0.000
z 0.000 0.000 2.243
Polar
3z2-r24.486
x2-y20.448
xy2.239
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.737 0.577 0.000
y 0.577 5.508 0.000
z 0.000 0.000 4.720


<r2> (average value of r2) Å2
<r2> 38.127
(<r2>)1/2 6.175