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

using model chemistry: QCISD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-460.253533
Energy at 298.15K-460.263170
HF Energy-459.595847
Nuclear repulsion energy175.459338
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 QCISD/aug-cc-pVDZ
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 3109 3011 42.58      
2 A1 3020 2925 30.58      
3 A1 1472 1426 7.63      
4 A1 1329 1288 3.60      
5 A1 968 938 20.56      
6 A1 651 630 0.63      
7 A1 288 279 0.98      
8 A2 3123 3025 0.00      
9 A2 1447 1402 0.00      
10 A2 785 761 0.00      
11 A2 164 159 0.00      
12 E 3124 3026 18.98      
12 E 3124 3026 18.98      
13 E 3108 3010 5.57      
13 E 3108 3010 5.57      
14 E 3020 2926 20.09      
14 E 3020 2926 20.09      
15 E 1462 1416 7.00      
15 E 1462 1416 7.00      
16 E 1451 1406 2.79      
16 E 1451 1406 2.79      
17 E 1306 1265 0.98      
17 E 1306 1265 0.98      
18 E 954 924 15.89      
18 E 954 924 15.89      
19 E 838 812 0.09      
19 E 838 812 0.09      
20 E 709 687 11.25      
20 E 709 687 11.25      
21 E 248 240 0.21      
21 E 248 240 0.21      
22 E 203 196 0.00      
22 E 203 196 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 24599.6 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 23829.6 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 QCISD/aug-cc-pVDZ
ABC
0.18875 0.18875 0.12220

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.620
C2 0.000 1.637 -0.286
C3 1.418 -0.819 -0.286
C4 -1.418 -0.819 -0.286
H5 0.000 1.498 -1.383
H6 -0.892 2.221 0.000
H7 0.892 2.221 0.000
H8 1.298 -0.749 -1.383
H9 2.370 -0.338 0.000
H10 1.477 -1.883 0.000
H11 -1.298 -0.749 -1.383
H12 -1.477 -1.883 0.000
H13 -2.370 -0.338 0.000

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.87131.87131.87132.50122.47252.47252.50122.47252.47252.50122.47252.4725
C21.87132.83612.83611.10581.10391.10392.92963.09813.82882.92963.82883.0981
C31.87132.83612.83612.92963.82883.09811.10581.10391.10392.92963.09813.8288
C41.87132.83612.83612.92963.09813.82882.92963.82883.09811.10581.10391.1039
H52.50121.10582.92962.92961.79761.79762.59503.30133.94082.59503.94083.3013
H62.47251.10393.82883.09811.79761.78453.94084.14574.73923.30134.14572.9547
H72.47251.10393.09813.82881.79761.78453.30132.95474.14573.94084.73924.1457
H82.50122.92961.10582.92962.59503.94083.30131.79761.79762.59503.30133.9408
H92.47253.09811.10393.82883.30134.14572.95471.79761.78453.94084.14574.7392
H102.47253.82881.10393.09813.94084.73924.14571.79761.78453.30132.95474.1457
H112.50122.92962.92961.10582.59503.30133.94082.59503.94083.30131.79761.7976
H122.47253.82883.09811.10393.94084.14574.73923.30134.14572.95471.79761.7845
H132.47253.09813.82881.10393.30132.95474.14573.94084.73924.14571.79761.7845

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.718 P1 C2 H6 109.704
P1 C2 H7 109.704 P1 C3 H8 111.718
P1 C3 H9 109.704 P1 C3 H10 109.703
P1 C4 H11 111.718 P1 C4 H12 109.703
P1 C4 H13 109.704 C2 P1 C3 98.543
C2 P1 C4 98.543 C3 P1 C4 98.543
H5 C2 H6 108.884 H5 C2 H7 108.884
H6 C2 H7 107.860 H8 C3 H9 108.884
H8 C3 H10 108.884 H9 C3 H10 107.860
H11 C4 H12 108.884 H11 C4 H13 108.884
H12 C4 H13 107.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability