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

using model chemistry: MP2=FULL/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 MP2=FULL/6-311G*
 hartrees
Energy at 0K-460.324429
Energy at 298.15K-460.334205
HF Energy-459.608706
Nuclear repulsion energy177.655365
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 MP2=FULL/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 3161 2994 34.26      
2 A1 3064 2902 27.75      
3 A1 1525 1444 16.23      
4 A1 1401 1327 6.71      
5 A1 1016 962 48.05      
6 A1 684 648 0.29      
7 A1 301 285 1.20      
8 A2 3176 3008 0.00      
9 A2 1493 1414 0.00      
10 A2 821 777 0.00      
11 A2 156 148 0.00      
12 E 3176 3008 11.12      
12 E 3176 3008 11.12      
13 E 3162 2994 2.48      
13 E 3162 2994 2.48      
14 E 3067 2904 15.40      
14 E 3067 2904 15.40      
15 E 1512 1432 15.97      
15 E 1512 1432 15.97      
16 E 1502 1423 4.86      
16 E 1502 1423 4.86      
17 E 1373 1300 13.09      
17 E 1373 1300 13.09      
18 E 995 942 25.28      
18 E 995 942 25.28      
19 E 878 832 0.46      
19 E 878 832 0.46      
20 E 739 700 12.24      
20 E 739 700 12.24      
21 E 260 247 0.23      
21 E 260 247 0.23      
22 E 207 196 0.03      
22 E 207 196 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 25268.8 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 23932.1 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 MP2=FULL/6-311G*
ABC
0.19371 0.19371 0.12503

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.607
C2 0.000 1.617 -0.280
C3 1.401 -0.809 -0.280
C4 -1.401 -0.809 -0.280
H5 0.000 1.495 -1.367
H6 -0.880 2.198 0.005
H7 0.880 2.198 0.005
H8 1.294 -0.747 -1.367
H9 2.343 -0.337 0.005
H10 1.463 -1.861 0.005
H11 -1.294 -0.747 -1.367
H12 -1.463 -1.861 0.005
H13 -2.343 -0.337 0.005

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.84481.84481.84482.47622.44282.44282.47622.44282.44282.47622.44282.4428
C21.84482.80152.80151.09411.09221.09222.90683.06453.78462.90683.78463.0645
C31.84482.80152.80152.90683.78463.06451.09411.09221.09222.90683.06453.7846
C41.84482.80152.80152.90683.06453.78462.90683.78463.06451.09411.09221.0922
H52.47621.09412.90682.90681.77561.77562.58873.27543.90972.58873.90973.2754
H62.44281.09223.78463.06451.77561.76053.90974.10064.68693.27544.10062.9264
H72.44281.09223.06453.78461.77561.76053.27542.92644.10063.90974.68694.1006
H82.47622.90681.09412.90682.58873.90973.27541.77561.77562.58873.27543.9097
H92.44283.06451.09223.78463.27544.10062.92641.77561.76053.90974.10064.6869
H102.44283.78461.09223.06453.90974.68694.10061.77561.76053.27542.92644.1006
H112.47622.90682.90681.09412.58873.27543.90972.58873.90973.27541.77561.7756
H122.44283.78463.06451.09223.90974.10064.68693.27544.10062.92641.77561.7605
H132.44283.06453.78461.09223.27542.92644.10063.90974.68694.10061.77561.7605

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 112.296 P1 C2 H6 109.896
P1 C2 H7 109.896 P1 C3 H8 112.296
P1 C3 H9 109.896 P1 C3 H10 109.896
P1 C4 H11 112.296 P1 C4 H12 109.896
P1 C4 H13 109.896 C2 P1 C3 98.807
C2 P1 C4 98.807 C3 P1 C4 98.807
H5 C2 H6 108.608 H5 C2 H7 108.608
H6 C2 H7 107.400 H8 C3 H9 108.608
H8 C3 H10 108.608 H9 C3 H10 107.400
H11 C4 H12 108.608 H11 C4 H13 108.608
H12 C4 H13 107.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability