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

using model chemistry: QCISD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-460.220957
Energy at 298.15K-460.230641
HF Energy-459.589060
Nuclear repulsion energy175.626934
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/cc-pVDZ
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 3138 3010 41.48      
2 A1 3043 2920 22.74      
3 A1 1480 1420 7.87      
4 A1 1341 1286 3.57      
5 A1 976 936 21.66      
6 A1 658 631 0.27      
7 A1 293 281 0.43      
8 A2 3148 3020 0.00      
9 A2 1459 1400 0.00      
10 A2 790 758 0.00      
11 A2 176 169 0.00      
12 E 3149 3021 16.19      
12 E 3149 3021 16.19      
13 E 3137 3009 4.30      
13 E 3137 3009 4.30      
14 E 3044 2921 20.93      
14 E 3044 2921 20.93      
15 E 1473 1414 6.46      
15 E 1473 1414 6.46      
16 E 1462 1403 4.50      
16 E 1462 1403 4.50      
17 E 1316 1262 0.64      
17 E 1316 1262 0.64      
18 E 958 919 18.92      
18 E 958 919 18.92      
19 E 843 809 0.49      
19 E 843 809 0.49      
20 E 716 687 12.51      
20 E 716 687 12.51      
21 E 251 241 0.22      
21 E 251 241 0.22      
22 E 204 196 0.00      
22 E 204 196 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 24805.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 23798.1 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 QCISD/cc-pVDZ
ABC
0.18927 0.18927 0.12242

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.617
C2 0.000 1.635 -0.285
C3 1.416 -0.818 -0.285
C4 -1.416 -0.818 -0.285
H5 0.000 1.504 -1.384
H6 -0.893 2.219 0.004
H7 0.893 2.219 0.004
H8 1.302 -0.752 -1.384
H9 2.368 -0.336 0.004
H10 1.475 -1.883 0.004
H11 -1.302 -0.752 -1.384
H12 -1.475 -1.883 0.004
H13 -2.368 -0.336 0.004

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.86751.86751.86752.50302.46922.46922.50302.46922.46922.50302.46922.4692
C21.86752.83232.83231.10691.10531.10532.93293.09503.82582.93293.82583.0950
C31.86752.83232.83232.93293.82583.09501.10691.10531.10532.93293.09503.8258
C41.86752.83232.83232.93293.09503.82582.93293.82583.09501.10691.10531.1053
H52.50301.10692.93292.93291.79901.79902.60453.30483.94622.60453.94623.3048
H62.46921.10533.82583.09501.79901.78573.94624.14304.73643.30484.14302.9508
H72.46921.10533.09503.82581.79901.78573.30482.95084.14303.94624.73644.1430
H82.50302.93291.10692.93292.60453.94623.30481.79901.79902.60453.30483.9462
H92.46923.09501.10533.82583.30484.14302.95081.79901.78573.94624.14304.7364
H102.46923.82581.10533.09503.94624.73644.14301.79901.78573.30482.95084.1430
H112.50302.93292.93291.10692.60453.30483.94622.60453.94623.30481.79901.7990
H122.46923.82583.09501.10533.94624.14304.73643.30484.14302.95081.79901.7857
H132.46923.09503.82581.10533.30482.95084.14303.94624.73644.14301.79901.7857

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 112.054 P1 C2 H6 109.643
P1 C2 H7 109.643 P1 C3 H8 112.054
P1 C3 H9 109.643 P1 C3 H10 109.643
P1 C4 H11 112.054 P1 C4 H12 109.643
P1 C4 H13 109.643 C2 P1 C3 98.634
C2 P1 C4 98.634 C3 P1 C4 98.634
H5 C2 H6 108.819 H5 C2 H7 108.819
H6 C2 H7 107.760 H8 C3 H9 108.819
H8 C3 H10 108.819 H9 C3 H10 107.760
H11 C4 H12 108.819 H11 C4 H13 108.819
H12 C4 H13 107.760
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability