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All results from a given calculation for P(CH3)3 (trimethylphosphine)

using model chemistry: MP4=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP4=FULL/cc-pVDZ
 hartrees
Energy at 0K-460.251758
Energy at 298.15K-460.261411
HF Energy-459.588967
Nuclear repulsion energy175.755233
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3137 3027        
2 A1 3036 2930        
3 A1 1475 1423        
4 A1 1330 1283        
5 A1 967 933        
6 A1 656 633        
7 A1 290 280        
8 A2 3150 3040        
9 A2 1453 1402        
10 A2 782 755        
11 A2 175 169        
12 E 3150 3041        
12 E 3150 3040        
13 E 3137 3027        
13 E 3137 3027        
14 E 3038 2932        
14 E 3038 2932        
15 E 1467 1416        
15 E 1467 1416        
16 E 1456 1405        
16 E 1456 1405        
17 E 1304 1258        
17 E 1303 1258        
18 E 951 917        
18 E 951 917        
19 E 837 807        
19 E 836 807        
20 E 714 689        
20 E 713 689        
21 E 250 242        
21 E 249 241        
22 E 203 196        
22 E 203 196        

Unscaled Zero Point Vibrational Energy (zpe) 24729.5 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 23866.4 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 MP4=FULL/cc-pVDZ
ABC
0.18952 0.18952 0.12290

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.620
C2 0.000 1.632 -0.286
C3 1.413 -0.816 -0.286
C4 -1.413 -0.816 -0.286
H5 0.000 1.495 -1.385
H6 -0.893 2.217 0.001
H7 0.893 2.217 0.001
H8 1.295 -0.747 -1.385
H9 2.366 -0.335 0.001
H10 1.473 -1.882 0.001
H11 -1.295 -0.747 -1.385
H12 -1.473 -1.882 0.001
H13 -2.366 -0.335 0.001

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.86681.86681.86682.50102.46862.46862.50102.46862.46862.50102.46862.4686
C21.86682.82662.82661.10721.10531.10532.92313.09023.82072.92313.82073.0902
C31.86682.82662.82662.92313.82073.09021.10721.10531.10532.92313.09023.8207
C41.86682.82662.82662.92313.09023.82072.92313.82073.09021.10721.10531.1053
H52.50101.10722.92312.92311.79971.79972.58923.29663.93592.58923.93593.2966
H62.46861.10533.82073.09021.79971.78593.93594.13904.73213.29664.13902.9463
H72.46861.10533.09023.82071.79971.78593.29662.94634.13903.93594.73214.1390
H82.50102.92311.10722.92312.58923.93593.29661.79971.79972.58923.29663.9359
H92.46863.09021.10533.82073.29664.13902.94631.79971.78593.93594.13904.7321
H102.46863.82071.10533.09023.93594.73214.13901.79971.78593.29662.94634.1390
H112.50102.92312.92311.10722.58923.29663.93592.58923.93593.29661.79971.7997
H122.46863.82073.09021.10533.93594.13904.73213.29664.13902.94631.79971.7859
H132.46863.09023.82071.10533.29662.94634.13903.93594.73214.13901.79971.7859

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.938 P1 C2 H6 109.647
P1 C2 H7 109.647 P1 C3 H8 111.938
P1 C3 H9 109.647 P1 C3 H10 109.647
P1 C4 H11 111.938 P1 C4 H12 109.647
P1 C4 H13 109.647 C2 P1 C3 98.416
C2 P1 C4 98.416 C3 P1 C4 98.416
H5 C2 H6 108.867 H5 C2 H7 108.867
H6 C2 H7 107.778 H8 C3 H9 108.867
H8 C3 H10 108.867 H9 C3 H10 107.778
H11 C4 H12 108.867 H11 C4 H13 108.867
H12 C4 H13 107.778
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability