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

using model chemistry: HF/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/aug-cc-pVTZ
 hartrees
Energy at 0K-459.648559
Energy at 298.15K-459.658558
HF Energy-459.648559
Nuclear repulsion energy177.355423
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 HF/aug-cc-pVTZ
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 3221 2933 56.62      
2 A1 3150 2868 30.94      
3 A1 1596 1453 9.21      
4 A1 1459 1328 3.61      
5 A1 1054 960 30.75      
6 A1 689 627 0.82      
7 A1 310 282 0.81      
8 A2 3229 2940 0.00      
9 A2 1576 1435 0.00      
10 A2 851 775 0.00      
11 A2 192 175 0.00      
12 E 3231 2942 25.69      
12 E 3231 2942 25.69      
13 E 3219 2930 4.56      
13 E 3219 2930 4.56      
14 E 3149 2867 22.78      
14 E 3149 2867 22.78      
15 E 1590 1448 8.30      
15 E 1590 1448 8.30      
16 E 1578 1436 3.62      
16 E 1578 1436 3.62      
17 E 1438 1309 3.35      
17 E 1438 1309 3.35      
18 E 1036 943 22.56      
18 E 1036 943 22.56      
19 E 907 826 0.02      
19 E 907 826 0.02      
20 E 753 685 13.30      
20 E 753 685 13.30      
21 E 264 241 0.19      
21 E 264 241 0.19      
22 E 221 201 0.00      
22 E 221 201 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 26048.1 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 23714.2 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 HF/aug-cc-pVTZ
ABC
0.19301 0.19301 0.12222

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.582
C2 0.000 1.639 -0.270
C3 1.420 -0.820 -0.270
C4 -1.420 -0.820 -0.270
H5 0.000 1.544 -1.350
H6 -0.875 2.203 0.031
H7 0.875 2.203 0.031
H8 1.337 -0.772 -1.350
H9 2.345 -0.344 0.031
H10 1.470 -1.859 0.031
H11 -1.337 -0.772 -1.350
H12 -1.470 -1.859 0.031
H13 -2.345 -0.344 0.031

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.84751.84751.84752.47332.43342.43342.47332.43342.43342.47332.43342.4334
C21.84752.83952.83951.08471.08331.08332.96133.08583.80682.96133.80683.0858
C31.84752.83952.83952.96133.80683.08581.08471.08331.08332.96133.08583.8068
C41.84752.83952.83952.96133.08583.80682.96133.80683.08581.08471.08331.0833
H52.47331.08472.96132.96131.76291.76292.67393.31203.95592.67393.95593.3120
H62.43341.08333.80683.08581.76291.75013.95594.10534.69033.31204.10532.9402
H72.43341.08333.08583.80681.76291.75013.31202.94024.10533.95594.69034.1053
H82.47332.96131.08472.96132.67393.95593.31201.76291.76292.67393.31203.9559
H92.43343.08581.08333.80683.31204.10532.94021.76291.75013.95594.10534.6903
H102.43343.80681.08333.08583.95594.69034.10531.76291.75013.31202.94024.1053
H112.47332.96132.96131.08472.67393.31203.95592.67393.95593.31201.76291.7629
H122.43343.80683.08581.08333.95594.10534.69033.31204.10532.94021.76291.7501
H132.43343.08583.80681.08333.31202.94024.10533.95594.69034.10531.76291.7501

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 112.398 P1 C2 H6 109.477
P1 C2 H7 109.477 P1 C3 H8 112.398
P1 C3 H9 109.477 P1 C3 H10 109.477
P1 C4 H11 112.398 P1 C4 H12 109.477
P1 C4 H13 109.477 C2 P1 C3 100.434
C2 P1 C4 100.434 C3 P1 C4 100.434
H5 C2 H6 108.808 H5 C2 H7 108.808
H6 C2 H7 107.758 H8 C3 H9 108.808
H8 C3 H10 108.808 H9 C3 H10 107.758
H11 C4 H12 108.808 H11 C4 H13 108.808
H12 C4 H13 107.758
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.034      
2 C -0.881      
3 C -0.881      
4 C -0.881      
5 H 0.277      
6 H 0.296      
7 H 0.296      
8 H 0.277      
9 H 0.296      
10 H 0.296      
11 H 0.277      
12 H 0.296      
13 H 0.296      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.437 1.437
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.861 0.000 0.000
y 0.000 -33.861 0.000
z 0.000 0.000 -38.808
Traceless
 xyz
x 2.474 0.000 0.000
y 0.000 2.474 0.000
z 0.000 0.000 -4.948
Polar
3z2-r2-9.895
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.902 0.000 0.000
y 0.000 9.902 0.000
z 0.000 0.000 8.785


<r2> (average value of r2) Å2
<r2> 123.280
(<r2>)1/2 11.103