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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-461.083897
Energy at 298.15K-461.093598
HF Energy-461.083897
Nuclear repulsion energy176.792409
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 mPW1PW91/6-31+G**
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 3148 2996 39.99      
2 A1 3055 2908 34.10      
3 A1 1490 1418 15.48      
4 A1 1355 1290 5.58      
5 A1 985 937 33.49      
6 A1 660 628 0.22      
7 A1 297 282 0.70      
8 A2 3164 3012 0.00      
9 A2 1463 1393 0.00      
10 A2 798 759 0.00      
11 A2 178 169 0.00      
12 E 3164 3012 12.10      
12 E 3164 3012 12.11      
13 E 3149 2997 2.19      
13 E 3149 2997 2.19      
14 E 3057 2910 21.29      
14 E 3057 2910 21.28      
15 E 1481 1410 16.03      
15 E 1481 1410 16.03      
16 E 1470 1399 5.93      
16 E 1470 1399 5.93      
17 E 1327 1263 9.29      
17 E 1327 1263 9.29      
18 E 970 923 22.54      
18 E 970 923 22.55      
19 E 846 806 0.27      
19 E 846 806 0.27      
20 E 719 685 13.01      
20 E 719 685 13.02      
21 E 253 240 0.18      
21 E 253 240 0.18      
22 E 207 197 0.02      
22 E 207 197 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 24940.3 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 23738.2 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 mPW1PW91/6-31+G**
ABC
0.19183 0.19183 0.12286

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
P1 0.000 0.000 0.599
C2 0.000 1.633 -0.278
C3 1.414 -0.817 -0.278
C4 -1.414 -0.817 -0.278
H5 0.000 1.525 -1.368
H6 -0.882 2.208 0.019
H7 0.882 2.208 0.019
H8 1.321 -0.763 -1.368
H9 2.353 -0.340 0.019
H10 1.471 -1.867 0.019
H11 -1.321 -0.763 -1.368
H12 -1.471 -1.867 0.019
H13 -2.353 -0.340 0.019

Atom - Atom Distances (Å)
  P1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
P11.85351.85351.85352.48902.44692.44692.48902.44692.44692.48902.44692.4469
C21.85352.82852.82851.09541.09311.09312.94503.08483.80832.94503.80833.0848
C31.85352.82852.82852.94503.80833.08481.09541.09311.09312.94503.08483.8083
C41.85352.82852.82852.94503.08483.80832.94503.80833.08481.09541.09311.0931
H52.48901.09542.94502.94501.77881.77882.64203.30713.94912.64203.94913.3071
H62.44691.09313.80833.08481.77881.76313.94914.11714.70513.30714.11712.9420
H72.44691.09313.08483.80831.77881.76313.30712.94204.11713.94914.70514.1171
H82.48902.94501.09542.94502.64203.94913.30711.77881.77882.64203.30713.9491
H92.44693.08481.09313.80833.30714.11712.94201.77881.76313.94914.11714.7051
H102.44693.80831.09313.08483.94914.70514.11711.77881.76313.30712.94204.1171
H112.48902.94502.94501.09542.64203.30713.94912.64203.94913.30711.77881.7788
H122.44693.80833.08481.09313.94914.11714.70513.30714.11712.94201.77881.7631
H132.44693.08483.80831.09313.30712.94204.11713.94914.70514.11711.77881.7631

picture of trimethylphosphine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
P1 C2 H5 112.589 P1 C2 H6 109.569
P1 C2 H7 109.569 P1 C3 H8 112.589
P1 C3 H9 109.569 P1 C3 H10 109.569
P1 C4 H11 112.589 P1 C4 H12 109.569
P1 C4 H13 109.569 C2 P1 C3 99.463
C2 P1 C4 99.463 C3 P1 C4 99.463
H5 C2 H6 108.736 H5 C2 H7 108.736
H6 C2 H7 107.506 H8 C3 H9 108.736
H8 C3 H10 108.736 H9 C3 H10 107.506
H11 C4 H12 108.736 H11 C4 H13 108.736
H12 C4 H13 107.506
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 P 0.254      
2 C -0.640      
3 C -0.640      
4 C -0.640      
5 H 0.177      
6 H 0.189      
7 H 0.189      
8 H 0.177      
9 H 0.189      
10 H 0.189      
11 H 0.177      
12 H 0.189      
13 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.361 1.361
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.575 0.000 0.000
y 0.000 -33.575 0.000
z 0.000 0.000 -38.417
Traceless
 xyz
x 2.421 0.000 0.000
y 0.000 2.421 0.000
z 0.000 0.000 -4.842
Polar
3z2-r2-9.684
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.607 0.000 0.000
y 0.000 9.609 -0.001
z 0.000 -0.001 8.513


<r2> (average value of r2) Å2
<r2> 123.247
(<r2>)1/2 11.102