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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-381.157452
Energy at 298.15K-381.160571
HF Energy-381.157452
Nuclear repulsion energy48.439843
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 B3PW91/6-31G**
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' 3257 3121 1.09      
2 A' 3160 3029 4.36      
3 A' 2359 2261 124.79      
4 A' 1464 1404 0.86      
5 A' 1043 999 35.91      
6 A' 1013 971 0.93      
7 A' 751 720 0.23      
8 A" 922 884 49.46      
9 A" 865 829 30.70      

Unscaled Zero Point Vibrational Energy (zpe) 7417.4 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 7108.8 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 B3PW91/6-31G**
ABC
4.62100 0.54662 0.48880

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.073 0.000
P2 0.056 -0.597 0.000
H3 -0.829 1.703 0.000
H4 1.007 1.603 0.000
H5 -1.362 -0.785 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.67051.08671.08802.3375
P21.67052.46502.39681.4309
H31.08672.46501.83872.5441
H41.08802.39681.83873.3634
H52.33751.43092.54413.3634

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.519 P2 C1 H3 125.423
P2 C1 H4 119.138 H3 C1 H4 115.439
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.440      
2 P 0.147      
3 H 0.168      
4 H 0.166      
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
  -0.581 1.073 0.000 1.220
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.476 1.109 0.000
y 1.109 -19.156 0.000
z 0.000 0.000 -21.309
Traceless
 xyz
x 0.756 1.109 0.000
y 1.109 1.237 0.000
z 0.000 0.000 -1.992
Polar
3z2-r2-3.985
x2-y2-0.321
xy1.109
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.381 0.350 0.001
y 0.350 6.655 0.001
z 0.001 0.001 2.936


<r2> (average value of r2) Å2
<r2> 34.451
(<r2>)1/2 5.870