return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: HSEh1PBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-311G*
 hartrees
Energy at 0K-381.065516
Energy at 298.15K-381.068647
HF Energy-381.065516
Nuclear repulsion energy48.572675
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 HSEh1PBE/6-311G*
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' 3245 3113 1.57      
2 A' 3151 3023 7.10      
3 A' 2345 2250 114.10      
4 A' 1473 1414 2.29      
5 A' 1054 1011 37.34      
6 A' 1024 982 1.51      
7 A' 764 733 0.08      
8 A" 923 886 55.97      
9 A" 867 832 43.13      

Unscaled Zero Point Vibrational Energy (zpe) 7422.2 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 7122.4 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 HSEh1PBE/6-311G*
ABC
4.62641 0.55042 0.49190

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.057 1.069 0.000
P2 0.057 -0.595 0.000
H3 -0.829 1.697 0.000
H4 1.004 1.601 0.000
H5 -1.363 -0.781 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.66431.08551.08672.3316
P21.66432.45752.39211.4313
H31.08552.45751.83532.5350
H41.08672.39211.83533.3579
H52.33161.43132.53503.3579

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.451 P2 C1 H3 125.358
P2 C1 H4 119.314 H3 C1 H4 115.328
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.717      
2 P 0.163      
3 H 0.258      
4 H 0.257      
5 H 0.038      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.543 0.880 0.000 1.034
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.936 1.091 0.000
y 1.091 -19.603 0.000
z 0.000 0.000 -22.028
Traceless
 xyz
x 0.880 1.091 0.000
y 1.091 1.379 0.000
z 0.000 0.000 -2.258
Polar
3z2-r2-4.517
x2-y2-0.333
xy1.091
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.746 0.315 0.000
y 0.315 7.010 0.000
z 0.000 0.000 2.749


<r2> (average value of r2) Å2
<r2> 34.664
(<r2>)1/2 5.888