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All results from a given calculation for CH2PH (Phosphaethene)

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-45.861987
Energy at 298.15K-45.865203
HF Energy-45.861987
Nuclear repulsion energy21.332944
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' 3456 3110 4.56      
2 A' 3346 3011 8.74      
3 A' 2394 2155 139.09      
4 A' 1609 1448 5.29      
5 A' 1148 1033 42.36      
6 A' 1041 937 1.03      
7 A' 845 761 1.85      
8 A" 1059 953 103.51      
9 A" 937 843 17.73      

Unscaled Zero Point Vibrational Energy (zpe) 7917.4 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 7124.8 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
4.69639 0.53678 0.48172

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 0.057 1.086 0.000
P2 0.057 -0.600 0.000
H3 -0.824 1.701 0.000
H4 0.990 1.619 0.000
H5 -1.358 -0.829 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.68631.07371.07412.3806
P21.68632.46372.40701.4328
H31.07372.46371.81502.5853
H41.07412.40701.81503.3911
H52.38061.43282.58533.3911

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 99.178 P2 C1 H3 124.925
P2 C1 H4 119.723 H3 C1 H4 115.353
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.755      
2 P 0.385      
3 H 0.233      
4 H 0.233      
5 H -0.096      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.686 1.100 0.000 1.296
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.673 1.308 0.000
y 1.308 -19.137 0.000
z 0.000 0.000 -21.402
Traceless
 xyz
x 0.597 1.308 0.000
y 1.308 1.400 0.000
z 0.000 0.000 -1.997
Polar
3z2-r2-3.995
x2-y2-0.536
xy1.308
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.172 0.494 0.000
y 0.494 7.592 0.000
z 0.000 0.000 1.643


<r2> (average value of r2) Å2
<r2> 31.149
(<r2>)1/2 5.581