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

using model chemistry: QCISD(T)=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 QCISD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-460.254342
Energy at 298.15K-460.263983
HF Energy-459.588881
Nuclear repulsion energy175.637885
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 QCISD(T)=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 3128 2999        
2 A1 3030 2906        
3 A1 1473 1412        
4 A1 1328 1274        
5 A1 966 926        
6 A1 652 626        
7 A1 290 278        
8 A2 3140 3011        
9 A2 1451 1392        
10 A2 781 749        
11 A2 174 167        
12 E 3140 3012        
12 E 3140 3011        
13 E 3127 2999        
13 E 3127 2999        
14 E 3032 2908        
14 E 3032 2907        
15 E 1465 1405        
15 E 1465 1405        
16 E 1454 1394        
16 E 1454 1394        
17 E 1302 1249        
17 E 1302 1249        
18 E 949 910        
18 E 949 910        
19 E 835 801        
19 E 835 801        
20 E 710 681        
20 E 710 681        
21 E 250 240        
21 E 249 239        
22 E 202 194        
22 E 202 194        

Unscaled Zero Point Vibrational Energy (zpe) 24672.8 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 23661.2 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 QCISD(T)=FULL/cc-pVDZ
ABC
0.18925 0.18925 0.12272

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.621
C2 0.000 1.633 -0.287
C3 1.414 -0.817 -0.287
C4 -1.414 -0.817 -0.287
H5 0.000 1.496 -1.386
H6 -0.893 2.218 0.001
H7 0.893 2.218 0.001
H8 1.296 -0.748 -1.386
H9 2.367 -0.335 0.001
H10 1.474 -1.883 0.001
H11 -1.296 -0.748 -1.386
H12 -1.474 -1.883 0.001
H13 -2.367 -0.335 0.001

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.86821.86821.86822.50252.47002.47002.50252.47002.47002.50252.47002.4700
C21.86822.82882.82881.10751.10571.10572.92513.09233.82322.92513.82323.0923
C31.86822.82882.82882.92513.82323.09231.10751.10571.10572.92513.09233.8232
C41.86822.82882.82882.92513.09233.82322.92513.82323.09231.10751.10571.1057
H52.50251.10752.92512.92511.80041.80042.59113.29863.93832.59113.93833.2986
H62.47001.10573.82323.09231.80041.78673.93834.14144.73483.29864.14142.9481
H72.47001.10573.09233.82321.80041.78673.29862.94814.14143.93834.73484.1414
H82.50252.92511.10752.92512.59113.93833.29861.80041.80042.59113.29863.9383
H92.47003.09231.10573.82323.29864.14142.94811.80041.78673.93834.14144.7348
H102.47003.82321.10573.09233.93834.73484.14141.80041.78673.29862.94814.1414
H112.50252.92512.92511.10752.59113.29863.93832.59113.93833.29861.80041.8004
H122.47003.82323.09231.10573.93834.14144.73483.29864.14142.94811.80041.7867
H132.47003.09233.82321.10573.29862.94814.14143.93834.73484.14141.80041.7867

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.930 P1 C2 H6 109.633
P1 C2 H7 109.633 P1 C3 H8 111.930
P1 C3 H9 109.633 P1 C3 H10 109.633
P1 C4 H11 111.930 P1 C4 H12 109.633
P1 C4 H13 109.633 C2 P1 C3 98.417
C2 P1 C4 98.417 C3 P1 C4 98.417
H5 C2 H6 108.877 H5 C2 H7 108.877
H6 C2 H7 107.795 H8 C3 H9 108.877
H8 C3 H10 108.877 H9 C3 H10 107.795
H11 C4 H12 108.877 H11 C4 H13 108.877
H12 C4 H13 107.795
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability