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

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-460.766190
Energy at 298.15K-460.775917
HF Energy-460.599655
Nuclear repulsion energy176.410735
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 B2PLYP/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 3152 2992 40.85      
2 A1 3068 2913 25.78      
3 A1 1535 1457 7.75      
4 A1 1398 1327 2.33      
5 A1 1013 961 43.57      
6 A1 658 624 0.27      
7 A1 296 281 0.23      
8 A2 3166 3005 0.00      
9 A2 1510 1433 0.00      
10 A2 820 778 0.00      
11 A2 182 172 0.00      
12 E 3166 3006 16.75      
12 E 3166 3006 16.75      
13 E 3152 2992 3.89      
13 E 3152 2992 3.89      
14 E 3070 2914 15.65      
14 E 3070 2914 15.64      
15 E 1526 1448 9.83      
15 E 1526 1448 9.83      
16 E 1515 1438 5.05      
16 E 1515 1438 5.05      
17 E 1372 1303 3.07      
17 E 1372 1303 3.07      
18 E 993 943 23.99      
18 E 993 943 23.99      
19 E 872 828 0.38      
19 E 872 828 0.38      
20 E 718 681 10.90      
20 E 718 681 10.90      
21 E 252 240 0.11      
21 E 252 240 0.11      
22 E 208 197 0.02      
22 E 208 197 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 25242.5 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 23960.2 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 B2PLYP/6-31G*
ABC
0.19082 0.19082 0.12248

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.605
C2 0.000 1.636 -0.280
C3 1.417 -0.818 -0.280
C4 -1.417 -0.818 -0.280
H5 0.000 1.524 -1.369
H6 -0.882 2.212 0.012
H7 0.882 2.212 0.012
H8 1.319 -0.762 -1.369
H9 2.357 -0.342 0.012
H10 1.474 -1.870 0.012
H11 -1.319 -0.762 -1.369
H12 -1.474 -1.870 0.012
H13 -2.357 -0.342 0.012

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.85941.85941.85942.49342.45392.45392.49342.45392.45392.49342.45392.4539
C21.85942.83322.83321.09531.09351.09352.94563.09023.81442.94563.81443.0902
C31.85942.83322.83322.94563.81443.09021.09531.09351.09352.94563.09023.8144
C41.85942.83322.83322.94563.09023.81442.94563.81443.09021.09531.09351.0935
H52.49341.09532.94562.94561.77781.77782.63893.30783.94952.63893.94953.3078
H62.45391.09353.81443.09021.77781.76493.94954.12464.71343.30784.12462.9484
H72.45391.09353.09023.81441.77781.76493.30782.94844.12463.94954.71344.1246
H82.49342.94561.09532.94562.63893.94953.30781.77781.77782.63903.30783.9495
H92.45393.09021.09353.81443.30784.12462.94841.77781.76493.94954.12464.7134
H102.45393.81441.09353.09023.94954.71344.12461.77781.76493.30782.94844.1246
H112.49342.94562.94561.09532.63893.30783.94952.63903.94953.30781.77781.7778
H122.45393.81443.09021.09353.94954.12464.71343.30784.12462.94841.77781.7649
H132.45393.09023.81441.09353.30782.94844.12463.94954.71344.12461.77781.7649

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 112.514 P1 C2 H6 109.665
P1 C2 H7 109.665 P1 C3 H8 112.514
P1 C3 H9 109.665 P1 C3 H10 109.665
P1 C4 H11 112.514 P1 C4 H12 109.665
P1 C4 H13 109.665 C2 P1 C3 99.257
C2 P1 C4 99.257 C3 P1 C4 99.257
H5 C2 H6 108.626 H5 C2 H7 108.626
H6 C2 H7 107.616 H8 C3 H9 108.626
H8 C3 H10 108.626 H9 C3 H10 107.616
H11 C4 H12 108.626 H11 C4 H13 108.626
H12 C4 H13 107.616
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.433      
2 C -0.646      
3 C -0.646      
4 C -0.646      
5 H 0.160      
6 H 0.171      
7 H 0.171      
8 H 0.160      
9 H 0.171      
10 H 0.171      
11 H 0.160      
12 H 0.171      
13 H 0.171      


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 -1.363 1.363
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.329 0.000 0.000
y 0.000 -33.329 0.000
z 0.000 0.000 -37.918
Traceless
 xyz
x 2.295 0.000 0.000
y 0.000 2.295 0.000
z 0.000 0.000 -4.589
Polar
3z2-r2-9.179
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 8.436 0.000 0.000
y 0.000 8.436 0.000
z 0.000 0.000 7.001


<r2> (average value of r2) Å2
<r2> 123.438
(<r2>)1/2 11.110