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

using model chemistry: MP3/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 MP3/cc-pVDZ
 hartrees
Energy at 0K-460.212346
Energy at 298.15K-460.222043
HF Energy-459.589383
Nuclear repulsion energy175.834209
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 MP3/cc-pVDZ
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 3166 3001 37.39      
2 A1 3070 2910 23.24      
3 A1 1484 1406 8.64      
4 A1 1342 1272 3.99      
5 A1 978 927 22.33      
6 A1 664 629 0.24      
7 A1 293 278 0.41      
8 A2 3179 3013 0.00      
9 A2 1462 1386 0.00      
10 A2 791 750 0.00      
11 A2 177 167 0.00      
12 E 3180 3014 13.54      
12 E 3180 3014 13.54      
13 E 3166 3001 3.80      
13 E 3166 3001 3.80      
14 E 3071 2911 18.05      
14 E 3071 2911 18.05      
15 E 1477 1400 7.15      
15 E 1477 1400 7.15      
16 E 1465 1389 4.72      
16 E 1465 1389 4.72      
17 E 1317 1249 1.13      
17 E 1317 1249 1.13      
18 E 961 911 19.57      
18 E 961 911 19.57      
19 E 845 801 0.60      
19 E 845 801 0.60      
20 E 722 684 12.77      
20 E 722 684 12.77      
21 E 251 238 0.22      
21 E 251 238 0.22      
22 E 205 194 0.00      
22 E 205 194 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 24962.4 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 23661.8 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 MP3/cc-pVDZ
ABC
0.18971 0.18971 0.12261

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.615
C2 0.000 1.634 -0.284
C3 1.415 -0.817 -0.284
C4 -1.415 -0.817 -0.284
H5 0.000 1.503 -1.382
H6 -0.891 2.216 0.006
H7 0.891 2.216 0.006
H8 1.302 -0.752 -1.382
H9 2.365 -0.336 0.006
H10 1.474 -1.880 0.006
H11 -1.302 -0.752 -1.382
H12 -1.474 -1.880 0.006
H13 -2.365 -0.336 0.006

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.86551.86551.86552.49952.46542.46542.49952.46542.46542.49952.46542.4654
C21.86552.83062.83061.10521.10331.10332.93113.09193.82182.93113.82183.0919
C31.86552.83062.83062.93113.82183.09191.10521.10331.10332.93113.09193.8218
C41.86552.83062.83062.93113.09193.82182.93113.82183.09191.10521.10331.1033
H52.49951.10522.93112.93111.79651.79652.60373.30173.94242.60373.94243.3017
H62.46541.10333.82183.09191.79651.78283.94244.13754.73003.30174.13752.9472
H72.46541.10333.09193.82181.79651.78283.30172.94724.13753.94244.73004.1375
H82.49952.93111.10522.93112.60373.94243.30171.79651.79652.60373.30173.9424
H92.46543.09191.10333.82183.30174.13752.94721.79651.78283.94244.13754.7300
H102.46543.82181.10333.09193.94244.73004.13751.79651.78283.30172.94724.1375
H112.49952.93112.93111.10522.60373.30173.94242.60373.94243.30171.79651.7965
H122.46543.82183.09191.10333.94244.13754.73003.30174.13752.94721.79651.7828
H132.46543.09193.82181.10333.30172.94724.13753.94244.73004.13751.79651.7828

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 112.020 P1 C2 H6 109.600
P1 C2 H7 109.600 P1 C3 H8 112.020
P1 C3 H9 109.600 P1 C3 H10 109.600
P1 C4 H11 112.020 P1 C4 H12 109.600
P1 C4 H13 109.600 C2 P1 C3 98.699
C2 P1 C4 98.699 C3 P1 C4 98.699
H5 C2 H6 108.866 H5 C2 H7 108.866
H6 C2 H7 107.790 H8 C3 H9 108.866
H8 C3 H10 108.866 H9 C3 H10 107.790
H11 C4 H12 108.866 H11 C4 H13 108.866
H12 C4 H13 107.790
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability