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

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-15.176749
Energy at 298.15K-15.182307
Nuclear repulsion energy22.133150
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 B3LYP/CEP-121G*
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 3119 3023 19.60      
2 A 3028 2935 24.90      
3 A 2322 2251 90.98      
4 A 1492 1446 6.55      
5 A 1337 1296 0.10      
6 A 1111 1077 17.49      
7 A 990 960 47.94      
8 A 730 708 0.40      
9 A 660 639 8.14      
10 A 3105 3010 20.27      
11 A 2341 2269 113.35      
12 A 1494 1448 8.28      
13 A 1029 998 17.10      
14 A 693 672 0.81      
15 A 224 217 1.64      

Unscaled Zero Point Vibrational Energy (zpe) 11837.9 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 11475.6 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 B3LYP/CEP-121G*
ABC
2.35204 0.37969 0.37667

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.134 0.890 0.000
P2 0.134 -1.003 0.000
H3 -0.869 1.327 0.000
H4 0.677 1.243 0.885
H5 0.677 1.243 -0.885
H6 -0.847 -1.179 -1.041
H7 -0.847 -1.179 1.041

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.89371.09441.09641.09642.51592.5159
P21.89372.53752.47442.47441.44111.4411
H31.09442.53751.78341.78342.71432.7143
H41.09642.47441.78341.77013.44932.8660
H51.09642.47441.78341.77012.86603.4493
H62.51591.44112.71433.44932.86602.0813
H72.51591.44112.71432.86603.44932.0813

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 97.019 C1 P2 H7 97.019
P2 C1 H3 113.535 P2 C1 H4 108.753
P2 C1 H5 108.753 H3 C1 H4 108.992
H3 C1 H5 108.992 H4 C1 H5 107.654
H6 P2 H7 92.458
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.563      
2 P -0.012      
3 H 0.183      
4 H 0.178      
5 H 0.178      
6 H 0.018      
7 H 0.018      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.584 1.037 0.000 1.190
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.936 1.640 0.000
y 1.640 -22.525 0.000
z 0.000 0.000 -20.316
Traceless
 xyz
x -0.515 1.640 0.000
y 1.640 -1.399 0.000
z 0.000 0.000 1.914
Polar
3z2-r23.829
x2-y20.590
xy1.640
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.017 0.331 0.000
y 0.331 6.245 0.000
z 0.000 0.000 5.301


<r2> (average value of r2) Å2
<r2> 36.324
(<r2>)1/2 6.027