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

using model chemistry: B2PLYP=FULL/3-21G

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=FULL/3-21G
 hartrees
Energy at 0K-458.345477
Energy at 298.15K-458.355081
HF Energy-458.227753
Nuclear repulsion energy173.121669
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=FULL/3-21G
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 3160 3008 29.43      
2 A1 3074 2927 19.82      
3 A1 1572 1496 12.84      
4 A1 1415 1347 3.78      
5 A1 1023 974 45.42      
6 A1 609 580 0.17      
7 A1 284 270 0.28      
8 A2 3169 3017 0.00      
9 A2 1543 1469 0.00      
10 A2 862 821 0.00      
11 A2 166 158 0.00      
12 E 3170 3018 11.55      
12 E 3170 3018 11.55      
13 E 3159 3007 4.31      
13 E 3159 3007 4.32      
14 E 3076 2928 14.19      
14 E 3076 2928 14.19      
15 E 1559 1484 14.35      
15 E 1559 1484 14.35      
16 E 1553 1478 5.67      
16 E 1553 1478 5.66      
17 E 1386 1319 3.07      
17 E 1386 1319 3.07      
18 E 1013 964 21.50      
18 E 1013 964 21.50      
19 E 897 854 0.64      
19 E 897 854 0.64      
20 E 665 633 6.42      
20 E 665 633 6.43      
21 E 241 230 0.10      
21 E 241 230 0.10      
22 E 188 179 0.01      
22 E 188 179 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 25344.2 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 24127.6 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 B2PLYP=FULL/3-21G
ABC
0.18217 0.18217 0.11848

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.640
C2 0.000 1.669 -0.299
C3 1.446 -0.835 -0.299
C4 -1.446 -0.835 -0.299
H5 0.000 1.513 -1.382
H6 -0.888 2.237 -0.013
H7 0.888 2.237 -0.013
H8 1.310 -0.756 -1.382
H9 2.381 -0.349 -0.013
H10 1.493 -1.888 -0.013
H11 -1.310 -0.756 -1.382
H12 -1.493 -1.888 -0.013
H13 -2.381 -0.349 -0.013

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.91571.91571.91572.52532.49392.49392.52532.49392.49392.52532.49392.4939
C21.91572.89162.89161.09371.09221.09222.96193.13523.86842.96193.86843.1352
C31.91572.89162.89162.96193.86843.13521.09371.09221.09222.96193.13523.8684
C41.91572.89162.89162.96193.13523.86842.96193.86843.13521.09371.09221.0922
H52.52531.09372.96192.96191.78531.78532.62013.31863.95812.62013.95813.3186
H62.49391.09223.86843.13521.78531.77603.95814.16884.76273.31864.16882.9867
H72.49391.09223.13523.86841.78531.77603.31862.98674.16883.95814.76274.1688
H82.52532.96191.09372.96192.62013.95813.31861.78531.78532.62013.31863.9581
H92.49393.13521.09223.86843.31864.16882.98671.78531.77603.95814.16884.7627
H102.49393.86841.09223.13523.95814.76274.16881.78531.77603.31862.98674.1688
H112.52532.96192.96191.09372.62013.31863.95812.62013.95813.31861.78531.7853
H122.49393.86843.13521.09223.95814.16884.76273.31864.16882.98671.78531.7760
H132.49393.13523.86841.09223.31862.98674.16883.95814.76274.16881.78531.7760

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.132 P1 C2 H6 108.917
P1 C2 H7 108.917 P1 C3 H8 111.132
P1 C3 H9 108.917 P1 C3 H10 108.917
P1 C4 H11 111.132 P1 C4 H12 108.917
P1 C4 H13 108.917 C2 P1 C3 98.000
C2 P1 C4 98.000 C3 P1 C4 98.000
H5 C2 H6 109.520 H5 C2 H7 109.520
H6 C2 H7 108.794 H8 C3 H9 109.520
H8 C3 H10 109.520 H9 C3 H10 108.794
H11 C4 H12 109.520 H11 C4 H13 109.520
H12 C4 H13 108.794
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability