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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-458.462721
Energy at 298.15K-458.472591
HF Energy-458.329502
Nuclear repulsion energy176.723384
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 3126 3126 36.81      
2 A1 3049 3049 23.06      
3 A1 1573 1573 10.64      
4 A1 1430 1430 4.95      
5 A1 1042 1042 48.21      
6 A1 659 659 0.19      
7 A1 310 310 0.17      
8 A2 3135 3135 0.00      
9 A2 1545 1545 0.00      
10 A2 852 852 0.00      
11 A2 192 192 0.00      
12 E 3136 3136 15.34      
12 E 3136 3136 15.33      
13 E 3124 3124 3.93      
13 E 3124 3124 3.93      
14 E 3051 3051 14.07      
14 E 3051 3051 14.07      
15 E 1562 1562 12.55      
15 E 1562 1562 12.55      
16 E 1553 1553 5.90      
16 E 1553 1553 5.91      
17 E 1407 1407 8.61      
17 E 1407 1407 8.61      
18 E 1020 1020 25.47      
18 E 1020 1020 25.47      
19 E 902 902 1.41      
19 E 902 902 1.41      
20 E 716 716 11.62      
20 E 716 716 11.63      
21 E 261 261 0.10      
21 E 261 261 0.10      
22 E 212 212 0.03      
22 E 212 212 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 25400.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 25400.3 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
0.19148 0.19148 0.12371

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 0.613
C2 0.000 1.627 -0.283
C3 1.409 -0.814 -0.283
C4 -1.409 -0.814 -0.283
H5 0.000 1.498 -1.371
H6 -0.885 2.205 0.003
H7 0.885 2.205 0.003
H8 1.297 -0.749 -1.371
H9 2.352 -0.336 0.003
H10 1.467 -1.869 0.003
H11 -1.297 -0.749 -1.371
H12 -1.467 -1.869 0.003
H13 -2.352 -0.336 0.003

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.85751.85751.85752.48592.45302.45302.48592.45302.45302.48592.45302.4530
C21.85752.81882.81881.09631.09491.09492.91793.07713.80252.91793.80253.0771
C31.85752.81882.81882.91793.80253.07711.09631.09491.09492.91793.07713.8025
C41.85752.81882.81882.91793.07713.80252.91793.80253.07711.09631.09491.0949
H52.48591.09632.91792.91791.78111.78112.59413.28373.92122.59413.92123.2837
H62.45301.09493.80253.07711.78111.77053.92124.11534.70433.28374.11532.9337
H72.45301.09493.07713.80251.78111.77053.28372.93374.11533.92124.70434.1153
H82.48592.91791.09632.91792.59413.92123.28371.78111.78112.59413.28373.9212
H92.45303.07711.09493.80253.28374.11532.93371.78111.77053.92124.11534.7043
H102.45303.80251.09493.07713.92124.70434.11531.78111.77053.28372.93374.1153
H112.48592.91792.91791.09632.59413.28373.92122.59413.92123.28371.78111.7811
H122.45303.80253.07711.09493.92124.11534.70433.28374.11532.93371.78111.7705
H132.45303.07713.80251.09493.28372.93374.11533.92124.70434.11531.78111.7705

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 112.023 P1 C2 H6 109.655
P1 C2 H7 109.655 P1 C3 H8 112.023
P1 C3 H9 109.655 P1 C3 H10 109.655
P1 C4 H11 112.023 P1 C4 H12 109.655
P1 C4 H13 109.655 C2 P1 C3 98.709
C2 P1 C4 98.709 C3 P1 C4 98.709
H5 C2 H6 108.750 H5 C2 H7 108.750
H6 C2 H7 107.912 H8 C3 H9 108.750
H8 C3 H10 108.750 H9 C3 H10 107.912
H11 C4 H12 108.750 H11 C4 H13 108.750
H12 C4 H13 107.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability