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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: mPW1PW91/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/cc-pV(T+d)Z
 hartrees
Energy at 0K-381.253905
Energy at 298.15K-381.257033
HF Energy-381.253905
Nuclear repulsion energy48.783891
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 mPW1PW91/cc-pV(T+d)Z
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 3108 0.42      
2 A' 3152 3019 4.16      
3 A' 2360 2261 87.90      
4 A' 1452 1390 2.74      
5 A' 1039 996 19.36      
6 A' 1025 982 5.81      
7 A' 745 714 0.35      
8 A" 922 883 43.54      
9 A" 869 832 25.40      

Unscaled Zero Point Vibrational Energy (zpe) 7404.2 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 7092.5 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 mPW1PW91/cc-pV(T+d)Z
ABC
4.65557 0.55561 0.49637

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.064 0.000
P2 0.056 -0.592 0.000
H3 -0.829 1.687 0.000
H4 1.002 1.594 0.000
H5 -1.356 -0.781 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.65671.08191.08382.3241
P21.65672.44492.38171.4251
H31.08192.44491.83312.5237
H41.08382.38171.83313.3468
H52.32411.42512.52373.3468

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.615 P2 C1 H3 125.122
P2 C1 H4 119.226 H3 C1 H4 115.652
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.322      
2 P 0.070      
3 H 0.131      
4 H 0.123      
5 H -0.002      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.481 0.804 0.000 0.937
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.649 1.008 0.000
y 1.008 -19.264 0.000
z 0.000 0.000 -21.522
Traceless
 xyz
x 0.744 1.008 0.000
y 1.008 1.322 0.000
z 0.000 0.000 -2.066
Polar
3z2-r2-4.131
x2-y2-0.385
xy1.008
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.074 0.306 0.000
y 0.306 7.271 0.000
z 0.000 0.000 3.599


<r2> (average value of r2) Å2
<r2> 34.234
(<r2>)1/2 5.851