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

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVTZ
 hartrees
Energy at 0K-461.146086
Energy at 298.15K-461.155798
HF Energy-461.146086
Nuclear repulsion energy177.441654
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 mPW1PW91/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 3127 2999 36.71      
2 A1 3041 2917 27.51      
3 A1 1481 1421 9.86      
4 A1 1333 1279 5.22      
5 A1 974 934 25.53      
6 A1 660 633 0.20      
7 A1 294 282 0.24      
8 A2 3141 3013 0.00      
9 A2 1456 1396 0.00      
10 A2 788 756 0.00      
11 A2 183 176 0.00      
12 E 3141 3013 11.92      
12 E 3141 3013 11.92      
13 E 3128 3000 1.90      
13 E 3128 3000 1.90      
14 E 3044 2919 16.36      
14 E 3044 2919 16.37      
15 E 1472 1412 9.23      
15 E 1472 1412 9.23      
16 E 1461 1401 4.39      
16 E 1461 1401 4.39      
17 E 1309 1256 4.21      
17 E 1309 1256 4.22      
18 E 960 921 22.05      
18 E 960 921 22.06      
19 E 837 803 0.59      
19 E 837 803 0.59      
20 E 718 689 12.95      
20 E 718 689 12.95      
21 E 251 240 0.12      
21 E 251 240 0.12      
22 E 208 199 0.02      
22 E 208 199 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 24765.2 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 23754.8 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 mPW1PW91/cc-pVTZ
ABC
0.19330 0.19330 0.12370

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.595
C2 0.000 1.628 -0.276
C3 1.410 -0.814 -0.276
C4 -1.410 -0.814 -0.276
H5 0.000 1.518 -1.362
H6 -0.880 2.198 0.021
H7 0.880 2.198 0.021
H8 1.315 -0.759 -1.362
H9 2.344 -0.337 0.021
H10 1.464 -1.861 0.021
H11 -1.315 -0.759 -1.362
H12 -1.464 -1.861 0.021
H13 -2.344 -0.337 0.021

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.84661.84661.84662.47762.43632.43632.47762.43632.43632.47762.43632.4363
C21.84662.81972.81971.09181.08981.08982.93383.07273.79532.93383.79533.0727
C31.84662.81972.81972.93383.79533.07271.09181.08981.08982.93383.07273.7953
C41.84662.81972.81972.93383.07273.79532.93383.79533.07271.09181.08981.0898
H52.47761.09182.93382.93381.77511.77512.62983.29383.93412.62983.93413.2938
H62.43631.08983.79533.07271.77511.75993.93414.10094.68713.29384.10092.9272
H72.43631.08983.07273.79531.77511.75993.29382.92724.10093.93414.68714.1009
H82.47762.93381.09182.93382.62983.93413.29381.77511.77512.62983.29383.9341
H92.43633.07271.08983.79533.29384.10092.92721.77511.75993.93414.10094.6871
H102.43633.79531.08983.07273.93414.68714.10091.77511.75993.29382.92724.1009
H112.47762.93382.93381.09182.62983.29383.93412.62983.93413.29381.77511.7751
H122.43633.79533.07271.08983.93414.10094.68713.29384.10092.92721.77511.7599
H132.43633.07273.79531.08983.29382.92724.10093.93414.68714.10091.77511.7599

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 112.400 P1 C2 H6 109.415
P1 C2 H7 109.415 P1 C3 H8 112.399
P1 C3 H9 109.415 P1 C3 H10 109.415
P1 C4 H11 112.399 P1 C4 H12 109.415
P1 C4 H13 109.415 C2 P1 C3 99.548
C2 P1 C4 99.548 C3 P1 C4 99.548
H5 C2 H6 108.906 H5 C2 H7 108.906
H6 C2 H7 107.685 H8 C3 H9 108.906
H8 C3 H10 108.906 H9 C3 H10 107.685
H11 C4 H12 108.906 H11 C4 H13 108.906
H12 C4 H13 107.685
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.126      
2 C -0.316      
3 C -0.316      
4 C -0.316      
5 H 0.083      
6 H 0.096      
7 H 0.096      
8 H 0.083      
9 H 0.096      
10 H 0.096      
11 H 0.083      
12 H 0.096      
13 H 0.096      


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 -1.268 1.268
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.332 0.000 0.000
y 0.000 -33.332 0.000
z 0.000 0.000 -37.807
Traceless
 xyz
x 2.238 0.000 0.000
y 0.000 2.238 0.000
z 0.000 0.000 -4.475
Polar
3z2-r2-8.950
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 9.864 0.000 0.000
y 0.000 9.864 0.000
z 0.000 0.000 8.395


<r2> (average value of r2) Å2
<r2> 122.266
(<r2>)1/2 11.057