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

using model chemistry: QCISD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at QCISD/TZVP
 hartrees
Energy at 0K-460.279722
Energy at 298.15K-460.289173
HF Energy-459.629400
Nuclear repulsion energy176.483115
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 QCISD/TZVP
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 3142 3001 47.61      
2 A1 3054 2918 28.27      
3 A1 1493 1426 9.38      
4 A1 1377 1316 3.36      
5 A1 991 946 25.02      
6 A1 662 633 0.53      
7 A1 295 281 1.00      
8 A2 3152 3011 0.00      
9 A2 1475 1409 0.00      
10 A2 798 763 0.00      
11 A2 62 59 0.00      
12 E 3153 3012 19.91      
12 E 3153 3012 19.91      
13 E 3141 3000 5.21      
13 E 3141 3000 5.21      
14 E 3055 2918 21.28      
14 E 3055 2918 21.28      
15 E 1492 1426 6.73      
15 E 1492 1426 6.73      
16 E 1474 1408 5.96      
16 E 1474 1408 5.96      
17 E 1350 1290 2.23      
17 E 1350 1290 2.23      
18 E 971 928 17.56      
18 E 971 928 17.56      
19 E 855 816 0.02      
19 E 855 816 0.02      
20 E 719 687 12.35      
20 E 719 687 12.35      
21 E 251 240 0.35      
21 E 251 240 0.35      
22 E 180 172 0.01      
22 E 180 172 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 24891.0 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 23778.4 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 QCISD/TZVP
ABC
0.19069 0.19069 0.12318

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.614
C2 0.000 1.632 -0.284
C3 1.413 -0.816 -0.284
C4 -1.413 -0.816 -0.284
H5 0.000 1.497 -1.369
H6 -0.882 2.208 0.001
H7 0.882 2.208 0.001
H8 1.296 -0.748 -1.369
H9 2.353 -0.340 0.001
H10 1.472 -1.868 0.001
H11 -1.296 -0.748 -1.369
H12 -1.472 -1.868 0.001
H13 -2.353 -0.340 0.001

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.86301.86301.86302.48482.45582.45582.48482.45582.45582.48482.45582.4558
C21.86302.82672.82671.09311.09151.09152.91953.08393.80742.91953.80743.0839
C31.86302.82672.82672.91953.80743.08391.09311.09151.09152.91953.08393.8074
C41.86302.82672.82672.91953.08393.80742.91953.80743.08391.09311.09151.0915
H52.48481.09312.91952.91951.77801.77802.59273.28513.91982.59273.91983.2851
H62.45581.09153.80743.08391.77801.76393.91984.11884.70703.28514.11882.9431
H72.45581.09153.08393.80741.77801.76393.28512.94314.11883.91984.70704.1188
H82.48482.91951.09312.91952.59273.91983.28511.77801.77802.59273.28513.9198
H92.45583.08391.09153.80743.28514.11882.94311.77801.76393.91984.11884.7070
H102.45583.80741.09153.08393.91984.70704.11881.77801.76393.28512.94314.1188
H112.48482.91952.91951.09312.59273.28513.91982.59273.91983.28511.77801.7780
H122.45583.80743.08391.09153.91984.11884.70703.28514.11882.94311.77801.7639
H132.45583.08393.80741.09153.28512.94314.11883.91984.70704.11881.77801.7639

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 111.739 P1 C2 H6 109.665
P1 C2 H7 109.665 P1 C3 H8 111.739
P1 C3 H9 109.665 P1 C3 H10 109.665
P1 C4 H11 111.739 P1 C4 H12 109.665
P1 C4 H13 109.665 C2 P1 C3 98.689
C2 P1 C4 98.689 C3 P1 C4 98.689
H5 C2 H6 108.945 H5 C2 H7 108.945
H6 C2 H7 107.794 H8 C3 H9 108.945
H8 C3 H10 108.945 H9 C3 H10 107.794
H11 C4 H12 108.945 H11 C4 H13 108.945
H12 C4 H13 107.794
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability