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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-460.794827
Energy at 298.15K-460.804557
HF Energy-460.794827
Nuclear repulsion energy176.759536
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
(Å4/u)
Dep P Dep U
1 A1 3151 3003 34.62      
2 A1 3061 2917 24.86      
3 A1 1513 1442 10.64      
4 A1 1373 1309 3.45      
5 A1 1000 953 47.88      
6 A1 665 633 0.09      
7 A1 296 282 0.13      
8 A2 3166 3017 0.00      
9 A2 1484 1414 0.00      
10 A2 803 765 0.00      
11 A2 183 174 0.00      
12 E 3166 3017 12.42      
12 E 3166 3017 12.43      
13 E 3152 3004 2.59      
13 E 3152 3004 2.59      
14 E 3063 2919 14.63      
14 E 3063 2919 14.63      
15 E 1502 1431 12.80      
15 E 1502 1431 12.80      
16 E 1491 1421 5.53      
16 E 1491 1421 5.53      
17 E 1346 1283 6.86      
17 E 1346 1283 6.87      
18 E 980 934 26.65      
18 E 980 934 26.65      
19 E 855 815 0.68      
19 E 855 815 0.68      
20 E 724 690 10.70      
20 E 724 690 10.70      
21 E 252 240 0.08      
21 E 252 240 0.08      
22 E 209 199 0.05      
22 E 209 199 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 25084.0 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 23907.6 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 PBE1PBE/6-31G**
ABC
0.19178 0.19178 0.12313

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 0.602
C2 0.000 1.631 -0.279
C3 1.412 -0.815 -0.279
C4 -1.412 -0.815 -0.279
H5 0.000 1.521 -1.370
H6 -0.883 2.208 0.015
H7 0.883 2.208 0.015
H8 1.317 -0.760 -1.370
H9 2.353 -0.339 0.015
H10 1.470 -1.869 0.015
H11 -1.317 -0.760 -1.370
H12 -1.470 -1.869 0.015
H13 -2.353 -0.339 0.015

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.85361.85361.85362.49112.44912.44912.49112.44912.44912.49112.44912.4491
C21.85362.82452.82451.09721.09511.09512.94013.08303.80712.94013.80713.0830
C31.85362.82452.82452.94013.80713.08301.09721.09511.09512.94013.08303.8071
C41.85362.82452.82452.94013.08303.80712.94013.80713.08301.09721.09511.0951
H52.49111.09722.94012.94011.78101.78102.63433.30433.94602.63433.94603.3043
H62.44911.09513.80713.08301.78101.76633.94604.11834.70693.30434.11832.9405
H72.44911.09513.08303.80711.78101.76633.30432.94054.11833.94604.70694.1183
H82.49112.94011.09722.94012.63433.94603.30431.78101.78102.63433.30433.9460
H92.44913.08301.09513.80713.30434.11832.94051.78101.76633.94604.11834.7069
H102.44913.80711.09513.08303.94604.70694.11831.78101.76633.30432.94054.1183
H112.49112.94012.94011.09722.63433.30433.94602.63433.94603.30431.78101.7810
H122.44913.80713.08301.09513.94604.11834.70693.30434.11832.94051.78101.7663
H132.44913.08303.80711.09513.30432.94054.11833.94604.70694.11831.78101.7663

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 112.644 P1 C2 H6 109.621
P1 C2 H7 109.621 P1 C3 H8 112.644
P1 C3 H9 109.621 P1 C3 H10 109.621
P1 C4 H11 112.644 P1 C4 H12 109.621
P1 C4 H13 109.621 C2 P1 C3 99.263
C2 P1 C4 99.263 C3 P1 C4 99.263
H5 C2 H6 108.657 H5 C2 H7 108.657
H6 C2 H7 107.502 H8 C3 H9 108.657
H8 C3 H10 108.657 H9 C3 H10 107.502
H11 C4 H12 108.657 H11 C4 H13 108.657
H12 C4 H13 107.502
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 0.415      
2 C -0.711      
3 C -0.711      
4 C -0.711      
5 H 0.183      
6 H 0.195      
7 H 0.195      
8 H 0.183      
9 H 0.195      
10 H 0.195      
11 H 0.183      
12 H 0.195      
13 H 0.195      


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 -1.433 1.433
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.827 0.000 0.000
y 0.000 -32.827 0.000
z 0.000 0.000 -37.604
Traceless
 xyz
x 2.388 0.000 0.000
y 0.000 2.388 0.000
z 0.000 0.000 -4.776
Polar
3z2-r2-9.552
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 8.496 0.000 0.000
y 0.000 8.496 0.000
z 0.000 0.000 7.085


<r2> (average value of r2) Å2
<r2> 122.703
(<r2>)1/2 11.077