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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: HF/3-21G*

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/3-21G*
 hartrees
Energy at 0K-378.446309
Energy at 298.15K-378.449545
HF Energy-378.446309
Nuclear repulsion energy49.128862
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/3-21G*
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' 3387 3057 1.06      
2 A' 3305 2983 6.68      
3 A' 2552 2304 133.64      
4 A' 1621 1463 1.30      
5 A' 1158 1045 43.35      
6 A' 1117 1008 1.36      
7 A' 838 757 0.87      
8 A" 1069 965 93.18      
9 A" 965 871 20.20      

Unscaled Zero Point Vibrational Energy (zpe) 8006.4 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 7226.6 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 HF/3-21G*
ABC
4.78103 0.56183 0.50275

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.058 0.000
P2 0.056 -0.587 0.000
H3 -0.824 1.675 0.000
H4 0.988 1.594 0.000
H5 -1.336 -0.805 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.64541.07431.07582.3249
P21.64542.42702.37281.4083
H31.07432.42701.81402.5314
H41.07582.37281.81403.3400
H52.32491.40832.53143.3400

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 98.869 P2 C1 H3 125.028
P2 C1 H4 119.911 H3 C1 H4 115.061
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.672      
2 P 0.246      
3 H 0.238      
4 H 0.231      
5 H -0.042      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.567 0.981 0.000 1.133
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.229 1.178 0.000
y 1.178 -19.618 0.000
z 0.000 0.000 -21.766
Traceless
 xyz
x 0.463 1.178 0.000
y 1.178 1.379 0.000
z 0.000 0.000 -1.843
Polar
3z2-r2-3.686
x2-y2-0.611
xy1.178
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.049 0.437 0.000
y 0.437 6.670 0.000
z 0.000 0.000 2.403


<r2> (average value of r2) Å2
<r2> 34.218
(<r2>)1/2 5.850