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All results from a given calculation for OPCl (Phosphorus oxychloride)

using model chemistry: mPW1PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-876.882914
Energy at 298.15K-876.883866
HF Energy-876.882914
Nuclear repulsion energy133.768851
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 mPW1PW91/6-311+G(3df,2p)
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' 1312 1312 114.84      
2 A' 508 508 170.63      
3 A' 311 311 3.84      

Unscaled Zero Point Vibrational Energy (zpe) 1065.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1065.6 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 mPW1PW91/6-311+G(3df,2p)
ABC
1.11485 0.15110 0.13306

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.824 0.000
O2 1.457 0.839 0.000
Cl3 -0.685 -1.122 0.000

Atom - Atom Distances (Å)
  P1 O2 Cl3
P11.45672.0635
O21.45672.9042
Cl32.06352.9042

picture of Phosphorus oxychloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 P1 Cl3 109.988
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.485      
2 O -0.269      
3 Cl -0.215      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.736 0.601 0.000 1.837
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.358 -1.606 0.000
y -1.606 -29.683 0.000
z 0.000 0.000 -28.586
Traceless
 xyz
x -5.224 -1.606 0.000
y -1.606 1.789 0.000
z 0.000 0.000 3.435
Polar
3z2-r26.870
x2-y2-4.676
xy-1.606
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.048 1.266 0.000
y 1.266 7.340 0.000
z 0.000 0.000 4.493


<r2> (average value of r2) Å2
<r2> 81.472
(<r2>)1/2 9.026