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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-380.570580
Energy at 298.15K-380.573730
HF Energy-380.292476
Nuclear repulsion energy48.546599
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 MP3/6-31+G**
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' 3343 3110 1.72      
2 A' 3246 3020 4.87      
3 A' 2468 2296 124.80      
4 A' 1529 1423 1.15      
5 A' 1086 1010 42.78      
6 A' 1022 951 4.02      
7 A' 786 731 0.99      
8 A" 939 874 51.84      
9 A" 873 813 39.24      

Unscaled Zero Point Vibrational Energy (zpe) 7645.8 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 7114.4 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 MP3/6-31+G**
ABC
4.69756 0.54662 0.48965

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.072 0.000
P2 0.056 -0.598 0.000
H3 -0.827 1.695 0.000
H4 0.998 1.602 0.000
H5 -1.349 -0.761 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.67031.08001.08062.3098
P21.67032.45662.39301.4144
H31.08002.45661.82702.5105
H41.08062.39301.82703.3304
H52.30981.41442.51053.3304

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 96.619 P2 C1 H3 125.182
P2 C1 H4 119.346 H3 C1 H4 115.472
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability