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

using model chemistry: QCISD(T)=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-460.255550
Energy at 298.15K-460.265219
HF Energy-459.583933
Nuclear repulsion energy176.851733
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/6-31+G**
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 3160 3160        
2 A1 3066 3066        
3 A1 1502 1502        
4 A1 1391 1391        
5 A1 997 997        
6 A1 664 664        
7 A1 287 287        
8 A2 3176 3176        
9 A2 1488 1488        
10 A2 811 811        
11 A2 161 161        
12 E 3176 3176        
12 E 3176 3176        
13 E 3160 3160        
13 E 3160 3160        
14 E 3068 3068        
14 E 3068 3068        
15 E 1503 1503        
15 E 1503 1503        
16 E 1491 1491        
16 E 1490 1490        
17 E 1365 1365        
17 E 1365 1365        
18 E 984 984        
18 E 984 984        
19 E 864 864        
19 E 864 864        
20 E 725 725        
20 E 725 725        
21 E 254 254        
21 E 252 252        
22 E 196 196        
22 E 195 195        

Unscaled Zero Point Vibrational Energy (zpe) 25135.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 25135.8 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/6-31+G**
ABC
0.19169 0.19169 0.12360

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.610
C2 0.000 1.628 -0.281
C3 1.410 -0.814 -0.281
C4 -1.410 -0.814 -0.281
H5 0.000 1.497 -1.367
H6 -0.881 2.207 0.003
H7 0.881 2.207 0.003
H8 1.297 -0.749 -1.367
H9 2.352 -0.340 0.003
H10 1.470 -1.867 0.003
H11 -1.297 -0.749 -1.367
H12 -1.470 -1.867 0.003
H13 -2.352 -0.340 0.003

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.85651.85651.85652.48032.45252.45252.48032.45252.45252.48032.45252.4525
C21.85652.82062.82061.09401.09161.09162.91733.07993.80232.91733.80233.0799
C31.85652.82062.82062.91733.80233.07991.09401.09161.09162.91733.07993.8023
C41.85652.82062.82062.91733.07993.80232.91733.80233.07991.09401.09161.0916
H52.48031.09402.91732.91731.77691.77692.59303.28363.91832.59303.91833.2836
H62.45251.09163.80233.07991.77691.76273.91834.11564.70333.28364.11562.9406
H72.45251.09163.07993.80231.77691.76273.28362.94064.11563.91834.70334.1156
H82.48032.91731.09402.91732.59303.91833.28361.77691.77692.59303.28363.9183
H92.45253.07991.09163.80233.28364.11562.94061.77691.76273.91834.11564.7033
H102.45253.80231.09163.07993.91834.70334.11561.77691.76273.28362.94064.1156
H112.48032.91732.91731.09402.59303.28363.91832.59303.91833.28361.77691.7769
H122.45253.80233.07991.09163.91834.11564.70333.28364.11562.94061.77691.7627
H132.45253.07993.80231.09163.28362.94064.11563.91834.70334.11561.77691.7627

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.800 P1 C2 H6 109.855
P1 C2 H7 109.855 P1 C3 H8 111.800
P1 C3 H9 109.855 P1 C3 H10 109.855
P1 C4 H11 111.800 P1 C4 H12 109.855
P1 C4 H13 109.855 C2 P1 C3 98.866
C2 P1 C4 98.866 C3 P1 C4 98.866
H5 C2 H6 108.776 H5 C2 H7 108.776
H6 C2 H7 107.677 H8 C3 H9 108.776
H8 C3 H10 108.776 H9 C3 H10 107.677
H11 C4 H12 108.776 H11 C4 H13 108.776
H12 C4 H13 107.677
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability