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

using model chemistry: B3LYP/SDD

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/SDD
 hartrees
Energy at 0K-461.060381
Energy at 298.15K-461.069879
HF Energy-461.060381
Nuclear repulsion energy173.401584
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/SDD
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 3145 3024 68.81      
2 A1 3041 2923 31.75      
3 A1 1511 1453 19.04      
4 A1 1385 1331 8.51      
5 A1 1026 986 53.27      
6 A1 615 591 0.30      
7 A1 290 279 0.15      
8 A2 3154 3032 0.00      
9 A2 1484 1427 0.00      
10 A2 846 813 0.00      
11 A2 131 126 0.00      
12 E 3156 3034 27.57      
12 E 3156 3034 27.57      
13 E 3143 3022 7.81      
13 E 3143 3022 7.81      
14 E 3042 2924 34.13      
14 E 3042 2924 34.13      
15 E 1502 1443 17.10      
15 E 1502 1443 17.10      
16 E 1492 1434 6.61      
16 E 1492 1434 6.61      
17 E 1357 1304 11.93      
17 E 1357 1304 11.93      
18 E 1003 964 28.49      
18 E 1003 964 28.50      
19 E 891 857 1.77      
19 E 891 857 1.77      
20 E 672 646 7.69      
20 E 672 646 7.69      
21 E 244 234 0.06      
21 E 244 234 0.06      
22 E 181 174 0.08      
22 E 181 174 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 24995.7 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 24028.4 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/SDD
ABC
0.18336 0.18336 0.11813

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.625
C2 0.000 1.670 -0.290
C3 1.446 -0.835 -0.290
C4 -1.446 -0.835 -0.290
H5 0.000 1.538 -1.380
H6 -0.887 2.243 0.000
H7 0.887 2.243 0.000
H8 1.332 -0.769 -1.380
H9 2.386 -0.353 0.000
H10 1.499 -1.890 0.000
H11 -1.332 -0.769 -1.380
H12 -1.499 -1.890 0.000
H13 -2.386 -0.353 0.000

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.90391.90391.90392.52692.49202.49202.52692.49202.49202.52692.49202.4920
C21.90392.89182.89181.09771.09601.09602.98483.14183.87352.98483.87353.1418
C31.90392.89182.89182.98483.87353.14181.09771.09601.09602.98483.14183.8735
C41.90392.89182.89182.98483.14183.87352.98483.87353.14181.09771.09601.0960
H52.52691.09772.98482.98481.78621.78622.66413.34333.98822.66413.98823.3433
H62.49201.09603.87353.14181.78621.77503.98824.17854.77303.34334.17852.9980
H72.49201.09603.14183.87351.78621.77503.34332.99804.17853.98824.77304.1785
H82.52692.98481.09772.98482.66413.98823.34331.78621.78622.66413.34333.9882
H92.49203.14181.09603.87353.34334.17852.99801.78621.77503.98824.17854.7730
H102.49203.87351.09603.14183.98824.77304.17851.78621.77503.34332.99804.1785
H112.52692.98482.98481.09772.66413.34333.98822.66413.98823.34331.78621.7862
H122.49203.87353.14181.09603.98824.17854.77303.34334.17852.99801.78621.7750
H132.49203.14183.87351.09603.34332.99804.17853.98824.77304.17851.78621.7750

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.847 P1 C2 H6 109.365
P1 C2 H7 109.365 P1 C3 H8 111.847
P1 C3 H9 109.365 P1 C3 H10 109.365
P1 C4 H11 111.847 P1 C4 H12 109.365
P1 C4 H13 109.365 C2 P1 C3 98.830
C2 P1 C4 98.830 C3 P1 C4 98.830
H5 C2 H6 109.021 H5 C2 H7 109.021
H6 C2 H7 108.145 H8 C3 H9 109.021
H8 C3 H10 109.021 H9 C3 H10 108.145
H11 C4 H12 109.021 H11 C4 H13 109.021
H12 C4 H13 108.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.644      
2 C -0.893      
3 C -0.893      
4 C -0.893      
5 H 0.220      
6 H 0.229      
7 H 0.229      
8 H 0.220      
9 H 0.229      
10 H 0.229      
11 H 0.220      
12 H 0.229      
13 H 0.229      


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 -1.300 1.300
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.666 0.000 0.000
y 0.000 -33.666 0.000
z 0.000 0.000 -37.775
Traceless
 xyz
x 2.055 0.000 0.000
y 0.000 2.055 0.000
z 0.000 0.000 -4.110
Polar
3z2-r2-8.220
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 8.815 0.000 0.000
y 0.000 8.815 0.000
z 0.000 0.000 6.692


<r2> (average value of r2) Å2
<r2> 127.162
(<r2>)1/2 11.277