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

using model chemistry: LSDA/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-381.225958
Energy at 298.15K-381.231482
Nuclear repulsion energy58.799896
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 LSDA/6-31G
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 3135 3071 5.16      
2 A 3021 2960 10.00      
3 A 2180 2136 112.81      
4 A 1462 1433 14.43      
5 A 1329 1302 5.11      
6 A 1062 1041 12.90      
7 A 974 954 54.69      
8 A 722 707 2.49      
9 A 652 639 3.21      
10 A 3130 3067 3.77      
11 A 2214 2169 128.30      
12 A 1462 1432 16.00      
13 A 1019 999 27.98      
14 A 692 678 1.62      
15 A 217 213 5.81      

Unscaled Zero Point Vibrational Energy (zpe) 11635.5 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 11399.3 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 LSDA/6-31G
ABC
2.29468 0.37770 0.37409

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.073 1.212 0.000
P2 0.073 -0.687 0.000
H3 -0.935 1.651 0.000
H4 0.620 1.557 0.890
H5 0.620 1.557 -0.890
H6 -0.917 -0.863 -1.066
H7 -0.917 -0.863 1.066

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.89901.09991.10101.10102.53372.5337
P21.89902.54682.47602.47601.46511.4651
H31.09992.54681.79521.79522.73102.7310
H41.10102.47601.79521.78093.47102.8724
H51.10102.47601.79521.78092.87243.4710
H62.53371.46512.73103.47102.87242.1318
H72.53371.46512.73102.87243.47102.1318

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 96.886 C1 P2 H7 96.886
P2 C1 H3 113.563 P2 C1 H4 108.282
P2 C1 H5 108.282 H3 C1 H4 109.305
H3 C1 H5 109.305 H4 C1 H5 107.952
H6 P2 H7 93.364
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.752      
2 P 0.091      
3 H 0.203      
4 H 0.207      
5 H 0.207      
6 H 0.022      
7 H 0.022      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.093 1.324 0.000 1.717
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.874 1.960 0.000
y 1.960 -22.682 0.000
z 0.000 0.000 -21.097
Traceless
 xyz
x -0.985 1.960 0.000
y 1.960 -0.696 0.000
z 0.000 0.000 1.681
Polar
3z2-r23.362
x2-y2-0.192
xy1.960
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.398 0.414 0.000
y 0.414 5.368 0.000
z 0.000 0.000 4.839


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000