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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: MP2=FULL/aug-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 MP2=FULL/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-380.782528
Energy at 298.15K-380.785755
HF Energy-380.341644
Nuclear repulsion energy48.779577
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 MP2=FULL/aug-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' 3270 3270 0.05      
2 A' 3187 3187 1.64      
3 A' 2437 2437 75.00      
4 A' 1465 1465 2.94      
5 A' 1044 1044 23.55      
6 A' 1011 1011 4.46      
7 A' 750 750 1.04      
8 A" 928 928 32.64      
9 A" 869 869 35.55      

Unscaled Zero Point Vibrational Energy (zpe) 7480.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7480.4 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 MP2=FULL/aug-cc-pV(T+d)Z
ABC
4.69667 0.55338 0.49505

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.069 0.000
P2 0.056 -0.594 0.000
H3 -0.831 1.679 0.000
H4 1.000 1.591 0.000
H5 -1.344 -0.768 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.66291.07671.07872.3093
P21.66292.44032.38041.4111
H31.07672.44031.83282.5000
H41.07872.38041.83283.3254
H52.30931.41112.50003.3254

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.058 P2 C1 H3 124.539
P2 C1 H4 118.970 H3 C1 H4 116.491
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability