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

using model chemistry: B2PLYP/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/3-21G*
 hartrees
Energy at 0K-458.457026
Energy at 298.15K-458.466895
HF Energy-458.329498
Nuclear repulsion energy176.704908
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/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 3125 3125 36.85      
2 A1 3049 3049 23.12      
3 A1 1573 1573 10.64      
4 A1 1430 1430 4.93      
5 A1 1042 1042 48.16      
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 3135 3135 15.36      
12 E 3135 3135 15.36      
13 E 3124 3124 3.95      
13 E 3124 3124 3.95      
14 E 3051 3051 14.09      
14 E 3051 3051 14.09      
15 E 1562 1562 12.53      
15 E 1562 1562 12.53      
16 E 1553 1553 5.92      
16 E 1553 1553 5.92      
17 E 1407 1407 8.58      
17 E 1407 1407 8.58      
18 E 1021 1021 25.46      
18 E 1021 1021 25.46      
19 E 902 902 1.41      
19 E 902 902 1.41      
20 E 716 716 11.62      
20 E 716 716 11.62      
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/3-21G*
ABC
0.19144 0.19144 0.12367

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/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 1.628 -0.283
C3 1.410 -0.814 -0.283
C4 -1.410 -0.814 -0.283
H5 0.000 1.498 -1.372
H6 -0.885 2.205 0.003
H7 0.885 2.205 0.003
H8 1.297 -0.749 -1.372
H9 2.352 -0.336 0.003
H10 1.467 -1.869 0.003
H11 -1.297 -0.749 -1.372
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
P11.85771.85771.85772.48612.45332.45332.48612.45332.45332.48612.45332.4533
C21.85772.81922.81921.09641.09491.09492.91843.07753.80302.91843.80303.0775
C31.85772.81922.81922.91843.80303.07751.09641.09491.09492.91843.07753.8030
C41.85772.81922.81922.91843.07753.80302.91843.80303.07751.09641.09491.0949
H52.48611.09642.91842.91841.78111.78112.59473.28423.92182.59473.92183.2842
H62.45331.09493.80303.07751.78111.77063.92184.11584.70483.28424.11582.9343
H72.45331.09493.07753.80301.78111.77063.28422.93434.11583.92184.70484.1158
H82.48612.91841.09642.91842.59473.92183.28421.78111.78112.59473.28423.9218
H92.45333.07751.09493.80303.28424.11582.93431.78111.77063.92184.11584.7048
H102.45333.80301.09493.07753.92184.70484.11581.78111.77063.28422.93434.1158
H112.48612.91842.91841.09642.59473.28423.92182.59473.92183.28421.78111.7811
H122.45333.80303.07751.09493.92184.11584.70483.28424.11582.93431.78111.7706
H132.45333.07753.80301.09493.28422.93434.11583.92184.70484.11581.78111.7706

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 112.026 P1 C2 H6 109.661
P1 C2 H7 109.661 P1 C3 H8 112.026
P1 C3 H9 109.661 P1 C3 H10 109.661
P1 C4 H11 112.026 P1 C4 H12 109.661
P1 C4 H13 109.661 C2 P1 C3 98.716
C2 P1 C4 98.716 C3 P1 C4 98.716
H5 C2 H6 108.744 H5 C2 H7 108.744
H6 C2 H7 107.909 H8 C3 H9 108.744
H8 C3 H10 108.744 H9 C3 H10 107.909
H11 C4 H12 108.744 H11 C4 H13 108.744
H12 C4 H13 107.909
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.631      
2 C -0.789      
3 C -0.789      
4 C -0.789      
5 H 0.187      
6 H 0.196      
7 H 0.196      
8 H 0.187      
9 H 0.196      
10 H 0.196      
11 H 0.187      
12 H 0.196      
13 H 0.196      


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 -1.289 1.289
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.607 0.000 0.000
y 0.000 -33.607 0.000
z 0.000 0.000 -37.965
Traceless
 xyz
x 2.179 0.000 0.000
y 0.000 2.179 0.000
z 0.000 0.000 -4.358
Polar
3z2-r2-8.716
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 7.956 0.000 0.000
y 0.000 7.956 0.000
z 0.000 0.000 6.441


<r2> (average value of r2) Å2
<r2> 122.911
(<r2>)1/2 11.087