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

using model chemistry: MP4/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-460.273470
Energy at 298.15K-460.283044
HF Energy-459.595348
Nuclear repulsion energy175.265986
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 MP4/6-31G*
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 3132 3060        
2 A1 3043 2973        
3 A1 1527 1492        
4 A1 1402 1370        
5 A1 1015 991        
6 A1 667 652        
7 A1 291 284        
8 A2 3147 3075        
9 A2 1504 1470        
10 A2 825 806        
11 A2 174 170        
12 E 3148 3075        
12 E 3148 3075        
13 E 3133 3060        
13 E 3132 3060        
14 E 3045 2975        
14 E 3045 2975        
15 E 1520 1484        
15 E 1519 1484        
16 E 1508 1474        
16 E 1508 1474        
17 E 1378 1346        
17 E 1378 1346        
18 E 997 974        
18 E 997 974        
19 E 879 859        
19 E 879 859        
20 E 728 712        
20 E 728 711        
21 E 252 247        
21 E 251 245        
22 E 203 198        
22 E 203 198        

Unscaled Zero Point Vibrational Energy (zpe) 25153.3 cm-1
Scaled (by 0.9769) Zero Point Vibrational Energy (zpe) 24572.2 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/aug-cc-pVDZ
ABC
0.18824 0.18824 0.12232

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.626
C2 0.000 1.637 -0.289
C3 1.417 -0.818 -0.289
C4 -1.417 -0.818 -0.289
H5 0.000 1.489 -1.386
H6 -0.894 2.222 -0.005
H7 0.894 2.222 -0.005
H8 1.289 -0.744 -1.386
H9 2.371 -0.337 -0.005
H10 1.477 -1.885 -0.005
H11 -1.289 -0.744 -1.386
H12 -1.477 -1.885 -0.005
H13 -2.371 -0.337 -0.005

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.87491.87491.87492.50292.47662.47662.50292.47662.47662.50292.47662.4766
C21.87492.83492.83491.10751.10531.10532.92163.09793.82952.92163.82953.0979
C31.87492.83492.83492.92163.82953.09791.10751.10531.10532.92163.09793.8295
C41.87492.83492.83492.92163.09793.82952.92163.82953.09791.10751.10531.1053
H52.50291.10752.92162.92161.80111.80112.57833.29563.93322.57833.93323.2956
H62.47661.10533.82953.09791.80111.78773.93324.14804.74213.29564.14802.9544
H72.47661.10533.09793.82951.80111.78773.29562.95444.14803.93324.74214.1480
H82.50292.92161.10752.92162.57833.93323.29561.80111.80112.57833.29563.9332
H92.47663.09791.10533.82953.29564.14802.95441.80111.78773.93324.14804.7421
H102.47663.82951.10533.09793.93324.74214.14801.80111.78773.29562.95444.1480
H112.50292.92162.92161.10752.57833.29563.93322.57833.93323.29561.80111.8011
H122.47663.82953.09791.10533.93324.14804.74213.29564.14802.95441.80111.7877
H132.47663.09793.82951.10533.29562.95444.14803.93324.74214.14801.80111.7877

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.507 P1 C2 H6 109.692
P1 C2 H7 109.692 P1 C3 H8 111.507
P1 C3 H9 109.692 P1 C3 H10 109.692
P1 C4 H11 111.507 P1 C4 H12 109.692
P1 C4 H13 109.692 C2 P1 C3 98.227
C2 P1 C4 98.227 C3 P1 C4 98.227
H5 C2 H6 108.966 H5 C2 H7 108.966
H6 C2 H7 107.941 H8 C3 H9 108.966
H8 C3 H10 108.966 H9 C3 H10 107.941
H11 C4 H12 108.966 H11 C4 H13 108.966
H12 C4 H13 107.941
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability