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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-382.395283
Energy at 298.15K-382.400872
Nuclear repulsion energy58.943284
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 B1B95/6-31G
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 3202 3054 9.71      
2 A 3094 2950 16.73      
3 A 2275 2170 122.20      
4 A 1521 1451 11.14      
5 A 1383 1319 1.44      
6 A 1117 1065 17.28      
7 A 1015 968 53.62      
8 A 751 716 1.82      
9 A 663 632 3.35      
10 A 3198 3050 8.07      
11 A 2301 2194 150.25      
12 A 1522 1451 12.08      
13 A 1055 1006 25.58      
14 A 724 690 2.47      
15 A 221 211 4.90      

Unscaled Zero Point Vibrational Energy (zpe) 12019.8 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 11463.3 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 B1B95/6-31G
ABC
2.34706 0.37644 0.37240

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.072 1.217 0.000
P2 0.072 -0.689 0.000
H3 -0.932 1.644 0.000
H4 0.611 1.562 0.884
H5 0.611 1.562 -0.884
H6 -0.896 -0.872 -1.059
H7 -0.896 -0.872 1.059

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.90601.09011.09101.09102.53422.5342
P21.90602.53932.47742.47741.44621.4462
H31.09012.53931.77931.77932.72972.7297
H41.09102.47741.77931.76753.45952.8678
H51.09102.47741.77931.76752.86783.4595
H62.53421.44622.72973.45952.86782.1178
H72.53421.44622.72972.86783.45952.1178

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 97.270 C1 P2 H7 97.270
P2 C1 H3 113.042 P2 C1 H4 108.418
P2 C1 H5 108.418 H3 C1 H4 109.325
H3 C1 H5 109.325 H4 C1 H5 108.196
H6 P2 H7 94.139
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.732      
2 P 0.173      
3 H 0.190      
4 H 0.193      
5 H 0.193      
6 H -0.009      
7 H -0.009      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.018 1.230 0.000 1.597
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.879 1.873 0.000
y 1.873 -22.598 0.000
z 0.000 0.000 -21.045
Traceless
 xyz
x -1.057 1.873 0.000
y 1.873 -0.636 0.000
z 0.000 0.000 1.693
Polar
3z2-r23.386
x2-y2-0.281
xy1.873
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.215 0.427 0.000
y 0.427 5.333 0.000
z 0.000 0.000 4.724


<r2> (average value of r2) Å2
<r2> 46.091
(<r2>)1/2 6.789