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

using model chemistry: CCD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCD/TZVP
 hartrees
Energy at 0K-460.274353
Energy at 298.15K-460.283838
HF Energy-459.629504
Nuclear repulsion energy176.611793
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 CCD/TZVP
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 3155 2991 45.17      
2 A1 3065 2906 26.73      
3 A1 1496 1419 9.86      
4 A1 1381 1309 3.44      
5 A1 994 942 25.83      
6 A1 667 632 0.55      
7 A1 295 280 1.00      
8 A2 3166 3001 0.00      
9 A2 1478 1401 0.00      
10 A2 801 759 0.00      
11 A2 70 66 0.00      
12 E 3167 3002 18.33      
12 E 3167 3002 18.33      
13 E 3155 2991 4.72      
13 E 3155 2991 4.72      
14 E 3066 2907 20.12      
14 E 3066 2907 20.12      
15 E 1496 1418 7.06      
15 E 1496 1418 7.06      
16 E 1477 1400 5.98      
16 E 1477 1400 5.98      
17 E 1354 1284 2.80      
17 E 1354 1284 2.80      
18 E 975 924 17.96      
18 E 975 924 17.96      
19 E 858 813 0.01      
19 E 858 813 0.01      
20 E 724 686 12.57      
20 E 724 686 12.57      
21 E 252 238 0.35      
21 E 252 238 0.35      
22 E 182 172 0.01      
22 E 182 172 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 24987.8 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 23688.5 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 CCD/TZVP
ABC
0.19100 0.19100 0.12327

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.613
C2 0.000 1.631 -0.283
C3 1.413 -0.816 -0.283
C4 -1.413 -0.816 -0.283
H5 0.000 1.499 -1.368
H6 -0.881 2.207 0.003
H7 0.881 2.207 0.003
H8 1.298 -0.749 -1.368
H9 2.352 -0.341 0.003
H10 1.471 -1.867 0.003
H11 -1.298 -0.749 -1.368
H12 -1.471 -1.867 0.003
H13 -2.352 -0.341 0.003

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.86121.86121.86122.48332.45352.45352.48332.45352.45352.48332.45352.4535
C21.86122.82562.82561.09241.09081.09082.92013.08253.80552.92013.80553.0825
C31.86122.82562.82562.92013.80543.08251.09241.09081.09082.92013.08253.8055
C41.86122.82562.82562.92013.08253.80542.92013.80553.08251.09241.09081.0908
H52.48331.09242.92012.92011.77671.77672.59553.28513.91992.59553.91993.2851
H62.45351.09083.80543.08251.77671.76233.91994.11634.70403.28514.11632.9418
H72.45351.09083.08253.80541.77671.76233.28512.94184.11633.91994.70404.1163
H82.48332.92011.09242.92012.59553.91993.28511.77671.77672.59553.28513.9199
H92.45353.08251.09083.80553.28514.11632.94181.77671.76233.91994.11634.7040
H102.45353.80551.09083.08253.91994.70404.11631.77671.76233.28512.94184.1163
H112.48332.92012.92011.09242.59553.28513.91992.59553.91993.28511.77671.7767
H122.45353.80553.08251.09083.91994.11634.70403.28514.11632.94181.77671.7623
H132.45353.08253.80551.09083.28512.94184.11633.91994.70404.11631.77671.7623

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.793 P1 C2 H6 109.658
P1 C2 H7 109.658 P1 C3 H8 111.793
P1 C3 H9 109.658 P1 C3 H10 109.658
P1 C4 H11 111.793 P1 C4 H12 109.658
P1 C4 H13 109.658 C2 P1 C3 98.764
C2 P1 C4 98.764 C3 P1 C4 98.764
H5 C2 H6 108.940 H5 C2 H7 108.940
H6 C2 H7 107.760 H8 C3 H9 108.940
H8 C3 H10 108.940 H9 C3 H10 107.760
H11 C4 H12 108.940 H11 C4 H13 108.940
H12 C4 H13 107.760
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability