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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: MP4=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 MP4=FULL/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-380.829325
Energy at 298.15K-380.832537
HF Energy-380.341325
Nuclear repulsion energy48.546881
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 MP4=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' 3232 3232        
2 A' 3156 3156        
3 A' 2384 2384        
4 A' 1458 1458        
5 A' 1036 1036        
6 A' 983 983        
7 A' 741 741        
8 A" 914 914        
9 A" 851 851        

Unscaled Zero Point Vibrational Energy (zpe) 7378.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7378.0 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 MP4=FULL/aug-cc-pV(T+d)Z
ABC
4.67292 0.54731 0.48993

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.075 0.000
P2 0.056 -0.597 0.000
H3 -0.832 1.687 0.000
H4 1.001 1.600 0.000
H5 -1.350 -0.773 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.67221.07861.08072.3219
P21.67222.45112.39171.4168
H31.07862.45111.83462.5142
H41.08072.39171.83463.3400
H52.32191.41682.51423.3400

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 97.121 P2 C1 H3 124.592
P2 C1 H4 119.071 H3 C1 H4 116.337
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability