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

using model chemistry: HF/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-381.547174
Energy at 298.15K-381.552895
Nuclear repulsion energy60.336019
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/aug-cc-pVQZ
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 3252 2955 13.75      
2 A 3169 2879 19.57      
3 A 2519 2288 77.80      
4 A 1586 1441 4.50      
5 A 1449 1317 0.08      
6 A 1212 1102 24.72      
7 A 1079 980 46.25      
8 A 787 715 1.52      
9 A 729 663 8.74      
10 A 3237 2941 14.34      
11 A 2515 2285 105.47      
12 A 1594 1448 5.48      
13 A 1116 1014 21.46      
14 A 739 671 2.65      
15 A 247 224 1.97      

Unscaled Zero Point Vibrational Energy (zpe) 12615.5 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 11461.2 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/aug-cc-pVQZ
ABC
2.45803 0.39649 0.39127

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.068 1.184 0.000
P2 0.068 -0.667 0.000
H3 -0.924 1.611 0.000
H4 0.602 1.534 0.874
H5 0.602 1.534 -0.874
H6 -0.854 -0.890 -1.038
H7 -0.854 -0.890 1.038

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5 H6 H7
C11.85131.07991.08211.08212.49612.4961
P21.85132.48462.42732.42731.40621.4062
H31.07992.48461.76021.76022.70882.7088
H41.08212.42731.76021.74833.41322.8320
H51.08212.42731.76021.74832.83203.4132
H62.49611.40622.70883.41322.83202.0763
H72.49611.40622.70882.83203.41322.0763

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 99.127 C1 P2 H7 99.127
P2 C1 H3 113.267 P2 C1 H4 108.835
P2 C1 H5 108.835 H3 C1 H4 109.000
H3 C1 H5 109.000 H4 C1 H5 107.761
H6 P2 H7 95.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.923      
2 P 0.288      
3 H 0.256      
4 H 0.258      
5 H 0.258      
6 H -0.068      
7 H -0.068      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.692 1.100 0.000 1.299
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.116 1.615 0.000
y 1.615 -22.769 0.000
z 0.000 0.000 -21.168
Traceless
 xyz
x -1.148 1.615 0.000
y 1.615 -0.627 0.000
z 0.000 0.000 1.775
Polar
3z2-r23.549
x2-y2-0.347
xy1.615
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.717 0.125 0.000
y 0.125 6.814 0.000
z 0.000 0.000 5.630


<r2> (average value of r2) Å2
<r2> 44.749
(<r2>)1/2 6.689