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

using model chemistry: MP3=FULL/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=FULL/cc-pVDZ
 hartrees
Energy at 0K-460.227132
Energy at 298.15K-460.236839
HF Energy-459.589538
Nuclear repulsion energy176.054227
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=FULL/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 3172 2983 36.97      
2 A1 3075 2891 23.00      
3 A1 1486 1397 8.76      
4 A1 1343 1263 4.10      
5 A1 978 919 22.57      
6 A1 666 626 0.25      
7 A1 294 276 0.41      
8 A2 3185 2995 0.00      
9 A2 1464 1377 0.00      
10 A2 790 743 0.00      
11 A2 177 167 0.00      
12 E 3186 2996 13.27      
12 E 3186 2996 13.27      
13 E 3172 2983 3.67      
13 E 3172 2983 3.67      
14 E 3077 2893 17.88      
14 E 3077 2893 17.88      
15 E 1479 1391 7.31      
15 E 1479 1391 7.31      
16 E 1467 1380 4.74      
16 E 1467 1380 4.74      
17 E 1318 1240 1.34      
17 E 1318 1240 1.34      
18 E 961 903 19.85      
18 E 961 903 19.85      
19 E 845 794 0.61      
19 E 845 794 0.61      
20 E 724 681 12.93      
20 E 724 681 12.93      
21 E 252 237 0.22      
21 E 252 237 0.22      
22 E 205 193 0.00      
22 E 205 193 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 25000.4 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 23507.9 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=FULL/cc-pVDZ
ABC
0.19021 0.19021 0.12293

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

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 1.503 -1.380
H6 -0.890 2.213 0.006
H7 0.890 2.213 0.006
H8 1.301 -0.751 -1.380
H9 2.362 -0.336 0.006
H10 1.472 -1.878 0.006
H11 -1.301 -0.751 -1.380
H12 -1.472 -1.878 0.006
H13 -2.362 -0.336 0.006

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.86281.86281.86282.49742.46202.46202.49742.46202.46202.49742.46202.4620
C21.86282.82682.82681.10421.10231.10232.92863.08793.81702.92863.81703.0879
C31.86282.82682.82682.92863.81703.08791.10421.10231.10232.92863.08793.8170
C41.86282.82682.82682.92863.08793.81702.92863.81703.08791.10421.10231.1023
H52.49741.10422.92862.92861.79471.79472.60283.29873.93912.60283.93913.2987
H62.46201.10233.81703.08791.79471.78093.93914.13234.72423.29874.13232.9432
H72.46201.10233.08793.81701.79471.78093.29872.94324.13233.93914.72424.1323
H82.49742.92861.10422.92862.60283.93913.29871.79471.79472.60283.29873.9391
H92.46203.08791.10233.81703.29874.13232.94321.79471.78093.93914.13234.7242
H102.46203.81701.10233.08793.93914.72424.13231.79471.78093.29872.94324.1323
H112.49742.92862.92861.10422.60283.29873.93912.60283.93913.29871.79471.7947
H122.46203.81703.08791.10233.93914.13234.72423.29874.13232.94321.79471.7809
H132.46203.08793.81701.10233.29872.94324.13233.93914.72424.13231.79471.7809

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 112.096 P1 C2 H6 109.584
P1 C2 H7 109.584 P1 C3 H8 112.096
P1 C3 H9 109.584 P1 C3 H10 109.584
P1 C4 H11 112.096 P1 C4 H12 109.584
P1 C4 H13 109.584 C2 P1 C3 98.706
C2 P1 C4 98.706 C3 P1 C4 98.706
H5 C2 H6 108.853 H5 C2 H7 108.853
H6 C2 H7 107.769 H8 C3 H9 108.853
H8 C3 H10 108.853 H9 C3 H10 107.769
H11 C4 H12 108.853 H11 C4 H13 108.853
H12 C4 H13 107.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability