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

using model chemistry: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-460.169794
Energy at 298.15K-460.179578
HF Energy-459.582125
Nuclear repulsion energy177.556023
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3222 3011 34.88      
2 A1 3118 2913 19.75      
3 A1 1539 1438 6.70      
4 A1 1407 1315 2.54      
5 A1 1020 953 39.97      
6 A1 683 638 0.37      
7 A1 293 274 0.42      
8 A2 3237 3025 0.00      
9 A2 1516 1417 0.00      
10 A2 824 770 0.00      
11 A2 169 158 0.00      
12 E 3237 3025 12.06      
12 E 3237 3025 12.06      
13 E 3223 3012 2.73      
13 E 3223 3012 2.73      
14 E 3121 2916 12.17      
14 E 3121 2916 12.17      
15 E 1533 1432 7.85      
15 E 1533 1432 7.85      
16 E 1519 1419 5.49      
16 E 1519 1419 5.49      
17 E 1382 1291 3.29      
17 E 1382 1291 3.29      
18 E 1001 935 22.99      
18 E 1001 935 22.99      
19 E 882 824 0.32      
19 E 882 824 0.32      
20 E 743 694 11.29      
20 E 743 694 11.29      
21 E 256 239 0.17      
21 E 256 239 0.17      
22 E 209 195 0.00      
22 E 209 195 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25618.7 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 23938.1 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/6-31G**
ABC
0.19334 0.19334 0.12434

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.603
C2 0.000 1.623 -0.279
C3 1.406 -0.812 -0.279
C4 -1.406 -0.812 -0.279
H5 0.000 1.505 -1.362
H6 -0.879 2.197 0.009
H7 0.879 2.197 0.009
H8 1.304 -0.753 -1.362
H9 2.342 -0.338 0.009
H10 1.463 -1.859 0.009
H11 -1.304 -0.753 -1.362
H12 -1.463 -1.859 0.009
H13 -2.342 -0.338 0.009

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.84751.84751.84752.47572.43982.43982.47572.43982.43982.47572.43982.4398
C21.84752.81172.81171.09001.08811.08812.91863.06813.78872.91863.78873.0681
C31.84752.81172.81172.91863.78873.06811.09001.08811.08812.91863.06813.7887
C41.84752.81172.81172.91863.06813.78872.91863.78873.06811.09001.08811.0881
H52.47571.09002.91862.91861.76951.76952.60703.28053.91702.60703.91703.2805
H62.43981.08813.78873.06811.76951.75733.91704.09854.68413.28054.09852.9269
H72.43981.08813.06813.78871.76951.75733.28052.92694.09853.91704.68414.0985
H82.47572.91861.09002.91862.60703.91703.28051.76951.76952.60703.28053.9170
H92.43983.06811.08813.78873.28054.09852.92691.76951.75733.91704.09854.6841
H102.43983.78871.08813.06813.91704.68414.09851.76951.75733.28052.92694.0985
H112.47572.91862.91861.09002.60703.28053.91702.60703.91703.28051.76951.7695
H122.43983.78873.06811.08813.91704.09854.68413.28054.09852.92691.76951.7573
H132.43983.06813.78871.08813.28052.92694.09853.91704.68414.09851.76951.7573

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 112.295 P1 C2 H6 109.701
P1 C2 H7 109.701 P1 C3 H8 112.295
P1 C3 H9 109.701 P1 C3 H10 109.701
P1 C4 H11 112.295 P1 C4 H12 109.701
P1 C4 H13 109.701 C2 P1 C3 99.097
C2 P1 C4 99.097 C3 P1 C4 99.097
H5 C2 H6 108.663 H5 C2 H7 108.663
H6 C2 H7 107.700 H8 C3 H9 108.663
H8 C3 H10 108.663 H9 C3 H10 107.700
H11 C4 H12 108.663 H11 C4 H13 108.663
H12 C4 H13 107.700
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability