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

using model chemistry: MP4=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 MP4=FULL/6-31G*
 hartrees
Energy at 0K-460.166494
Energy at 298.15K-460.176220
HF Energy-459.566332
Nuclear repulsion energy176.532039
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/6-31G*
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 3133 3013        
2 A1 3044 2927        
3 A1 1528 1469        
4 A1 1403 1349        
5 A1 1015 976        
6 A1 669 643        
7 A1 292 281        
8 A2 3148 3027        
9 A2 1505 1447        
10 A2 825 793        
11 A2 175 168        
12 E 3149 3028        
12 E 3149 3028        
13 E 3133 3013        
13 E 3133 3013        
14 E 3046 2929        
14 E 3046 2929        
15 E 1520 1461        
15 E 1520 1461        
16 E 1509 1451        
16 E 1509 1451        
17 E 1379 1326        
17 E 1379 1326        
18 E 997 958        
18 E 997 958        
19 E 879 845        
19 E 879 845        
20 E 730 702        
20 E 730 702        
21 E 253 243        
21 E 252 242        
22 E 205 197        
22 E 204 197        

Unscaled Zero Point Vibrational Energy (zpe) 25165.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 24199.2 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/6-31G*
ABC
0.19128 0.19128 0.12301

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.606
C2 0.000 1.631 -0.280
C3 1.413 -0.816 -0.280
C4 -1.413 -0.816 -0.280
H5 0.000 1.512 -1.372
H6 -0.886 2.211 0.009
H7 0.886 2.211 0.009
H8 1.310 -0.756 -1.372
H9 2.358 -0.338 0.009
H10 1.472 -1.873 0.009
H11 -1.310 -0.756 -1.372
H12 -1.472 -1.873 0.009
H13 -2.358 -0.338 0.009

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.85641.85641.85642.49042.45572.45572.49042.45572.45572.49042.45572.4557
C21.85642.82572.82571.09931.09731.09732.93433.08593.81172.93433.81173.0859
C31.85642.82572.82572.93433.81173.08591.09931.09731.09732.93433.08593.8117
C41.85642.82572.82572.93433.08593.81172.93433.81173.08591.09931.09731.0973
H52.49041.09932.93432.93431.78361.78362.61943.30043.94132.61943.94133.3004
H62.45571.09733.81173.08591.78361.77183.94134.12574.71573.30044.12572.9439
H72.45571.09733.08593.81171.78361.77183.30042.94394.12573.94134.71574.1257
H82.49042.93431.09932.93432.61943.94133.30041.78361.78362.61943.30043.9413
H92.45573.08591.09733.81173.30044.12572.94391.78361.77183.94134.12574.7157
H102.45573.81171.09733.08593.94134.71574.12571.78361.77183.30042.94394.1257
H112.49042.93432.93431.09932.61943.30043.94132.61943.94133.30041.78361.7836
H122.45573.81173.08591.09733.94134.12574.71573.30044.12572.94391.78361.7718
H132.45573.08593.81171.09733.30042.94394.12573.94134.71574.12571.78361.7718

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 112.281 P1 C2 H6 109.806
P1 C2 H7 109.806 P1 C3 H8 112.281
P1 C3 H9 109.806 P1 C3 H10 109.806
P1 C4 H11 112.281 P1 C4 H12 109.806
P1 C4 H13 109.806 C2 P1 C3 99.119
C2 P1 C4 99.119 C3 P1 C4 99.119
H5 C2 H6 108.577 H5 C2 H7 108.577
H6 C2 H7 107.672 H8 C3 H9 108.577
H8 C3 H10 108.577 H9 C3 H10 107.672
H11 C4 H12 108.577 H11 C4 H13 108.577
H12 C4 H13 107.672
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability