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

using model chemistry: PBE1PBE/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBE1PBE/6-31G
 hartrees
Energy at 0K-460.736269
Energy at 298.15K-460.745897
HF Energy-460.736269
Nuclear repulsion energy174.034666
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 PBE1PBE/6-31G
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 3175 3035 35.16      
2 A1 3069 2934 26.04      
3 A1 1530 1463 18.27      
4 A1 1393 1332 5.57      
5 A1 1025 979 56.88      
6 A1 633 605 0.14      
7 A1 284 272 0.11      
8 A2 3191 3050 0.00      
9 A2 1501 1435 0.00      
10 A2 851 813 0.00      
11 A2 163 156 0.00      
12 E 3191 3051 11.97      
12 E 3191 3051 11.97      
13 E 3175 3035 3.64      
13 E 3175 3035 3.64      
14 E 3072 2936 18.89      
14 E 3072 2936 18.89      
15 E 1519 1452 17.89      
15 E 1519 1452 17.89      
16 E 1511 1445 7.45      
16 E 1511 1445 7.45      
17 E 1364 1304 10.76      
17 E 1364 1304 10.76      
18 E 1008 964 25.82      
18 E 1008 964 25.82      
19 E 890 851 0.57      
19 E 890 851 0.57      
20 E 699 668 7.26      
20 E 699 668 7.26      
21 E 244 233 0.05      
21 E 244 233 0.05      
22 E 191 182 0.05      
22 E 191 182 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 25272.6 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 24158.1 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 PBE1PBE/6-31G
ABC
0.18475 0.18475 0.11922

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.624
C2 0.000 1.662 -0.291
C3 1.440 -0.831 -0.291
C4 -1.440 -0.831 -0.291
H5 0.000 1.527 -1.378
H6 -0.887 2.232 0.001
H7 0.887 2.232 0.001
H8 1.322 -0.763 -1.378
H9 2.376 -0.348 0.001
H10 1.490 -1.884 0.001
H11 -1.322 -0.763 -1.378
H12 -1.490 -1.884 0.001
H13 -2.376 -0.348 0.001

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.89721.89721.89722.51752.48122.48122.51752.48122.48122.51752.48122.4812
C21.89722.87912.87911.09571.09361.09362.96873.12653.85742.96873.85743.1265
C31.89722.87912.87912.96873.85743.12651.09571.09361.09362.96873.12653.8574
C41.89722.87912.87912.96873.12653.85742.96873.85743.12651.09571.09361.0936
H52.51751.09572.96872.96871.78491.78492.64413.32633.96902.64413.96903.3263
H62.48121.09363.85743.12651.78491.77313.96904.16004.75283.32634.16002.9797
H72.48121.09363.12653.85741.78491.77313.32632.97974.16003.96904.75284.1600
H82.51752.96871.09572.96872.64413.96903.32631.78491.78492.64413.32633.9690
H92.48123.12651.09363.85743.32634.16002.97971.78491.77313.96904.16004.7528
H102.48123.85741.09363.12653.96904.75284.16001.78491.77313.32632.97974.1600
H112.51752.96872.96871.09572.64413.32633.96902.64413.96903.32631.78491.7849
H122.48123.85743.12651.09363.96904.16004.75283.32634.16002.97971.78491.7731
H132.48123.12653.85741.09363.32632.97974.16003.96904.75284.16001.78491.7731

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.704 P1 C2 H6 109.148
P1 C2 H7 109.148 P1 C3 H8 111.704
P1 C3 H9 109.148 P1 C3 H10 109.148
P1 C4 H11 111.704 P1 C4 H12 109.148
P1 C4 H13 109.148 C2 P1 C3 98.713
C2 P1 C4 98.713 C3 P1 C4 98.713
H5 C2 H6 109.227 H5 C2 H7 109.227
H6 C2 H7 108.323 H8 C3 H9 109.227
H8 C3 H10 109.227 H9 C3 H10 108.323
H11 C4 H12 109.227 H11 C4 H13 109.227
H12 C4 H13 108.323
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.574      
2 C -0.755      
3 C -0.755      
4 C -0.755      
5 H 0.180      
6 H 0.192      
7 H 0.192      
8 H 0.180      
9 H 0.192      
10 H 0.192      
11 H 0.180      
12 H 0.192      
13 H 0.192      


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 -1.543 1.543
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.167 0.000 0.000
y 0.000 -33.167 0.000
z 0.000 0.000 -38.159
Traceless
 xyz
x 2.496 0.000 0.000
y 0.000 2.496 0.000
z 0.000 0.000 -4.993
Polar
3z2-r2-9.985
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 8.566 0.000 0.000
y 0.000 8.566 0.000
z 0.000 0.000 6.967


<r2> (average value of r2) Å2
<r2> 126.149
(<r2>)1/2 11.232