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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G*
 hartrees
Energy at 0K-379.184873
Energy at 298.15K-379.188028
HF Energy-379.184873
Nuclear repulsion energy48.565473
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/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' 3247 3117 0.79      
2 A' 3157 3031 3.84      
3 A' 2388 2292 100.20      
4 A' 1503 1443 1.72      
5 A' 1073 1030 37.76      
6 A' 1042 1000 0.20      
7 A' 783 751 0.13      
8 A" 956 918 82.59      
9 A" 886 850 22.67      

Unscaled Zero Point Vibrational Energy (zpe) 7516.8 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 7215.4 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/3-21G*
ABC
4.62751 0.55022 0.49175

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.057 1.069 0.000
P2 0.057 -0.596 0.000
H3 -0.831 1.697 0.000
H4 1.004 1.605 0.000
H5 -1.361 -0.777 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.66441.08721.08882.3272
P21.66442.45852.39631.4292
H31.08722.45851.83682.5302
H41.08882.39631.83683.3568
H52.32721.42922.53023.3568

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.281 P2 C1 H3 125.311
P2 C1 H4 119.532 H3 C1 H4 115.157
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.667      
2 P 0.184      
3 H 0.239      
4 H 0.235      
5 H 0.009      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.569 0.990 0.000 1.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.615 1.095 0.000
y 1.095 -19.249 0.000
z 0.000 0.000 -21.516
Traceless
 xyz
x 0.768 1.095 0.000
y 1.095 1.316 0.000
z 0.000 0.000 -2.084
Polar
3z2-r2-4.167
x2-y2-0.365
xy1.095
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.176 0.357 0.000
y 0.357 6.293 0.000
z 0.000 0.000 2.451


<r2> (average value of r2) Å2
<r2> 34.425
(<r2>)1/2 5.867