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

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-125.119386
Energy at 298.15K-125.129275
HF Energy-125.119386
Nuclear repulsion energy105.022357
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 HF/LANL2DZ
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 3298 2968 84.36      
2 A1 3200 2880 37.11      
3 A1 1634 1471 18.36      
4 A1 1514 1362 6.59      
5 A1 1114 1003 46.29      
6 A1 666 600 0.18      
7 A1 304 274 0.29      
8 A2 3306 2975 0.00      
9 A2 1611 1450 0.00      
10 A2 923 830 0.00      
11 A2 167 150 0.00      
12 E 3307 2976 36.90      
12 E 3307 2976 36.90      
13 E 3295 2965 9.96      
13 E 3295 2965 9.96      
14 E 3198 2878 56.40      
14 E 3198 2878 56.40      
15 E 1626 1464 14.38      
15 E 1626 1464 14.38      
16 E 1617 1455 6.55      
16 E 1617 1455 6.55      
17 E 1490 1340 9.93      
17 E 1490 1340 9.93      
18 E 1091 982 28.85      
18 E 1091 982 28.85      
19 E 973 876 0.21      
19 E 973 876 0.21      
20 E 737 663 10.87      
20 E 737 663 10.87      
21 E 261 235 0.21      
21 E 261 235 0.21      
22 E 198 178 0.02      
22 E 198 178 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 26661.6 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 23992.8 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 HF/LANL2DZ
ABC
0.18606 0.18606 0.11842

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.604
C2 0.000 1.669 -0.280
C3 1.445 -0.834 -0.280
C4 -1.445 -0.834 -0.280
H5 0.000 1.554 -1.359
H6 -0.877 2.233 0.011
H7 0.877 2.233 0.011
H8 1.345 -0.777 -1.359
H9 2.373 -0.358 0.011
H10 1.496 -1.876 0.011
H11 -1.345 -0.777 -1.359
H12 -1.496 -1.876 0.011
H13 -2.373 -0.358 0.011

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.88841.88841.88842.50292.47142.47142.50292.47142.47142.50292.47142.4714
C21.88842.89022.89021.08441.08281.08282.99213.13373.85842.99213.85843.1337
C31.88842.89022.89022.99213.85843.13371.08441.08281.08282.99213.13373.8584
C41.88842.89022.89022.99213.13373.85842.99213.85843.13371.08441.08281.0828
H52.50291.08442.99212.99211.76291.76292.69083.34043.98442.69083.98443.3404
H62.47141.08283.85843.13371.76291.75323.98444.15584.74513.34044.15582.9919
H72.47141.08283.13373.85841.76291.75323.34042.99194.15583.98444.74514.1558
H82.50292.99211.08442.99212.69083.98443.34041.76291.76292.69083.34043.9844
H92.47143.13371.08283.85843.34044.15582.99191.76291.75323.98444.15584.7451
H102.47143.85841.08283.13373.98444.74514.15581.76291.75323.34042.99194.1558
H112.50292.99212.99211.08442.69083.34043.98442.69083.98443.34041.76291.7629
H122.47143.85843.13371.08283.98444.15584.74513.34044.15582.99191.76291.7532
H132.47143.13373.85841.08283.34042.99194.15583.98444.74514.15581.76291.7532

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.821 P1 C2 H6 109.558
P1 C2 H7 109.558 P1 C3 H8 111.821
P1 C3 H9 109.558 P1 C3 H10 109.558
P1 C4 H11 111.821 P1 C4 H12 109.558
P1 C4 H13 109.558 C2 P1 C3 99.859
C2 P1 C4 99.859 C3 P1 C4 99.859
H5 C2 H6 108.862 H5 C2 H7 108.862
H6 C2 H7 108.101 H8 C3 H9 108.862
H8 C3 H10 108.862 H9 C3 H10 108.101
H11 C4 H12 108.862 H11 C4 H13 108.862
H12 C4 H13 108.101
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.692      
2 C -0.855      
3 C -0.855      
4 C -0.855      
5 H 0.200      
6 H 0.212      
7 H 0.212      
8 H 0.200      
9 H 0.212      
10 H 0.212      
11 H 0.200      
12 H 0.212      
13 H 0.212      


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 -1.389 1.389
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.558 0.000 0.000
y 0.000 -33.558 0.000
z 0.000 0.000 -38.018
Traceless
 xyz
x 2.230 0.000 0.000
y 0.000 2.230 0.000
z 0.000 0.000 -4.459
Polar
3z2-r2-8.918
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 8.576 0.000 0.000
y 0.000 8.576 0.000
z 0.000 0.000 6.390


<r2> (average value of r2) Å2
<r2> 122.567
(<r2>)1/2 11.071