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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-461.078104
Energy at 298.15K-461.087809
HF Energy-461.078104
Nuclear repulsion energy177.665924
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 B1B95/6-311G*
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 3132 3002 43.61      
2 A1 3046 2920 40.24      
3 A1 1505 1442 15.26      
4 A1 1366 1309 5.65      
5 A1 991 950 44.96      
6 A1 666 638 0.12      
7 A1 286 274 0.93      
8 A2 3147 3017 0.00      
9 A2 1472 1411 0.00      
10 A2 797 764 0.00      
11 A2 182 174 0.00      
12 E 3148 3017 17.39      
12 E 3148 3017 17.40      
13 E 3133 3004 4.25      
13 E 3133 3004 4.26      
14 E 3049 2923 20.21      
14 E 3049 2923 20.21      
15 E 1490 1429 15.75      
15 E 1490 1429 15.75      
16 E 1482 1421 4.33      
16 E 1482 1421 4.33      
17 E 1337 1282 9.99      
17 E 1337 1282 10.00      
18 E 971 931 25.77      
18 E 971 931 25.77      
19 E 850 815 0.56      
19 E 850 815 0.55      
20 E 721 691 12.06      
20 E 721 691 12.06      
21 E 248 237 0.20      
21 E 248 237 0.20      
22 E 211 202 0.03      
22 E 211 202 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 24934.4 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 23902.1 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 B1B95/6-311G*
ABC
0.19366 0.19366 0.12489

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.606
C2 0.000 1.618 -0.280
C3 1.402 -0.809 -0.280
C4 -1.402 -0.809 -0.280
H5 0.000 1.503 -1.366
H6 -0.878 2.197 0.008
H7 0.878 2.197 0.008
H8 1.301 -0.751 -1.366
H9 2.342 -0.338 0.008
H10 1.463 -1.859 0.008
H11 -1.301 -0.751 -1.366
H12 -1.463 -1.859 0.008
H13 -2.342 -0.338 0.008

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.84511.84511.84512.47952.44042.44042.47952.44042.44042.47952.44042.4404
C21.84512.80332.80331.09241.09021.09022.91383.06493.78382.91383.78383.0649
C31.84512.80332.80332.91383.78383.06491.09241.09021.09022.91383.06493.7838
C41.84512.80332.80332.91383.06493.78382.91383.78383.06491.09241.09021.0902
H52.47951.09242.91382.91381.77231.77232.60293.28023.91552.60293.91553.2802
H62.44041.09023.78383.06491.77231.75643.91554.09794.68333.28024.09792.9270
H72.44041.09023.06493.78381.77231.75643.28022.92704.09793.91554.68334.0979
H82.47952.91381.09242.91382.60293.91553.28021.77231.77232.60293.28023.9155
H92.44043.06491.09023.78383.28024.09792.92701.77231.75643.91554.09794.6833
H102.44043.78381.09023.06493.91554.68334.09791.77231.75643.28022.92704.0979
H112.47952.91382.91381.09242.60293.28023.91552.60293.91553.28021.77231.7723
H122.44043.78383.06491.09023.91554.09794.68333.28024.09792.92701.77231.7564
H132.44043.06493.78381.09023.28022.92704.09793.91554.68334.09791.77231.7564

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 112.616 P1 C2 H6 109.795
P1 C2 H7 109.795 P1 C3 H8 112.616
P1 C3 H9 109.795 P1 C3 H10 109.795
P1 C4 H11 112.616 P1 C4 H12 109.795
P1 C4 H13 109.795 C2 P1 C3 98.869
C2 P1 C4 98.869 C3 P1 C4 98.869
H5 C2 H6 108.582 H5 C2 H7 108.582
H6 C2 H7 107.319 H8 C3 H9 108.582
H8 C3 H10 108.582 H9 C3 H10 107.319
H11 C4 H12 108.582 H11 C4 H13 108.582
H12 C4 H13 107.319
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.488      
2 C -0.881      
3 C -0.881      
4 C -0.881      
5 H 0.228      
6 H 0.245      
7 H 0.245      
8 H 0.228      
9 H 0.245      
10 H 0.245      
11 H 0.228      
12 H 0.245      
13 H 0.245      


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 -1.303 1.303
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.647 0.000 0.000
y 0.000 -33.647 0.000
z 0.000 0.000 -38.277
Traceless
 xyz
x 2.315 0.000 0.000
y 0.000 2.315 0.000
z 0.000 0.000 -4.630
Polar
3z2-r2-9.259
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 9.123 0.000 0.000
y 0.000 9.124 0.001
z 0.000 0.001 8.049


<r2> (average value of r2) Å2
<r2> 122.009
(<r2>)1/2 11.046