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

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-455.847009
Energy at 298.15K-455.856636
HF Energy-455.847009
Nuclear repulsion energy176.041436
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 B3LYP/STO-3G
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 3468 3095 8.22      
2 A1 3297 2942 1.63      
3 A1 1700 1517 5.21      
4 A1 1551 1384 2.33      
5 A1 1100 982 33.77      
6 A1 751 670 0.14      
7 A1 337 301 1.33      
8 A2 3476 3102 0.00      
9 A2 1691 1509 0.00      
10 A2 940 839 0.00      
11 A2 165 148 0.00      
12 E 3477 3103 1.82      
12 E 3477 3103 1.82      
13 E 3468 3095 0.57      
13 E 3468 3095 0.57      
14 E 3299 2944 1.53      
14 E 3299 2944 1.53      
15 E 1697 1514 3.40      
15 E 1697 1514 3.40      
16 E 1694 1512 3.67      
16 E 1694 1512 3.67      
17 E 1526 1362 0.55      
17 E 1526 1362 0.55      
18 E 1077 961 22.41      
18 E 1077 961 22.40      
19 E 974 869 1.24      
19 E 974 869 1.24      
20 E 807 720 7.11      
20 E 807 720 7.11      
21 E 282 252 0.33      
21 E 282 252 0.33      
22 E 187 167 0.00      
22 E 187 167 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 27724.8 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 24741.6 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 B3LYP/STO-3G
ABC
0.18940 0.18940 0.12469

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.642
C2 0.000 1.619 -0.295
C3 1.402 -0.809 -0.295
C4 -1.402 -0.809 -0.295
H5 0.000 1.480 -1.386
H6 -0.887 2.209 -0.026
H7 0.887 2.209 -0.026
H8 1.282 -0.740 -1.386
H9 2.356 -0.337 -0.026
H10 1.470 -1.872 -0.026
H11 -1.282 -0.740 -1.386
H12 -1.470 -1.872 -0.026
H13 -2.356 -0.337 -0.026

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.87051.87051.87052.51102.47232.47232.51102.47232.47232.51102.47232.4723
C21.87052.80352.80351.09951.09871.09872.89783.07363.79722.89783.79723.0736
C31.87052.80352.80352.89783.79723.07361.09951.09871.09872.89783.07363.7972
C41.87052.80352.80352.89783.07363.79722.89783.79723.07361.09951.09871.0987
H52.51101.09952.89782.89781.77931.77932.56423.27153.90512.56423.90513.2715
H62.47231.09873.79723.07361.77931.77343.90514.12264.71263.27154.12262.9392
H72.47231.09873.07363.79721.77931.77343.27152.93924.12263.90514.71264.1226
H82.51102.89781.09952.89782.56423.90513.27151.77931.77932.56423.27153.9051
H92.47233.07361.09873.79723.27154.12262.93921.77931.77343.90514.12264.7126
H102.47233.79721.09873.07363.90514.71264.12261.77931.77343.27152.93924.1226
H112.51102.89782.89781.09952.56423.27153.90512.56423.90513.27151.77931.7793
H122.47233.79723.07361.09873.90514.12264.71263.27154.12262.93921.77931.7734
H132.47233.07363.79721.09873.27152.93924.12263.90514.71264.12261.77931.7734

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 112.859 P1 C2 H6 110.012
P1 C2 H7 110.012 P1 C3 H8 112.859
P1 C3 H9 110.012 P1 C3 H10 110.012
P1 C4 H11 112.859 P1 C4 H12 110.012
P1 C4 H13 110.012 C2 P1 C3 97.079
C2 P1 C4 97.079 C3 P1 C4 97.079
H5 C2 H6 108.085 H5 C2 H7 108.085
H6 C2 H7 107.622 H8 C3 H9 108.086
H8 C3 H10 108.085 H9 C3 H10 107.622
H11 C4 H12 108.085 H11 C4 H13 108.086
H12 C4 H13 107.622
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.464      
2 C -0.357      
3 C -0.357      
4 C -0.357      
5 H 0.066      
6 H 0.068      
7 H 0.068      
8 H 0.066      
9 H 0.068      
10 H 0.068      
11 H 0.066      
12 H 0.068      
13 H 0.068      


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 -0.401 0.401
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.726 0.000 0.000
y 0.000 -31.726 0.000
z 0.000 0.000 -33.070
Traceless
 xyz
x 0.672 0.000 0.000
y 0.000 0.672 0.000
z 0.000 0.000 -1.344
Polar
3z2-r2-2.688
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 4.559 0.000 0.000
y 0.000 4.559 0.000
z 0.000 0.000 3.050


<r2> (average value of r2) Å2
<r2> 121.342
(<r2>)1/2 11.016