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/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-381.083286
Energy at 298.15K-381.086410
HF Energy-381.083286
Nuclear repulsion energy48.642105
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/cc-pVTZ
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' 3241 3115 0.37      
2 A' 3147 3025 3.97      
3 A' 2351 2259 89.41      
4 A' 1446 1389 2.64      
5 A' 1034 994 18.25      
6 A' 1020 980 6.15      
7 A' 744 715 0.38      
8 A" 917 882 43.62      
9 A" 864 831 25.90      

Unscaled Zero Point Vibrational Energy (zpe) 7382.1 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 7094.9 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/cc-pVTZ
ABC
4.62979 0.55221 0.49337

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.057 1.068 0.000
P2 0.057 -0.594 0.000
H3 -0.830 1.690 0.000
H4 1.004 1.597 0.000
H5 -1.361 -0.781 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.66231.08291.08472.3301
P21.66232.45022.38721.4301
H31.08292.45021.83592.5274
H41.08472.38721.83593.3538
H52.33011.43012.52743.3538

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.504 P2 C1 H3 125.046
P2 C1 H4 119.187 H3 C1 H4 115.766
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.330      
2 P 0.036      
3 H 0.143      
4 H 0.135      
5 H 0.016      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.486 0.822 0.000 0.954
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.712 1.010 0.000
y 1.010 -19.360 0.000
z 0.000 0.000 -21.614
Traceless
 xyz
x 0.775 1.010 0.000
y 1.010 1.303 0.000
z 0.000 0.000 -2.078
Polar
3z2-r2-4.155
x2-y2-0.352
xy1.010
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.117 0.316 0.000
y 0.316 7.320 0.000
z 0.000 0.000 3.598


<r2> (average value of r2) Å2
<r2> 34.409
(<r2>)1/2 5.866