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All results from a given calculation for C6H5NH2 (aniline)

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-285.652685
Energy at 298.15K-285.660478
Nuclear repulsion energy269.476301
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 PBEPBE/3-21G
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 3482 3450 51.66      
2 A1 3151 3123 10.69      
3 A1 3124 3096 3.14      
4 A1 3106 3078 17.34      
5 A1 1645 1630 121.42      
6 A1 1607 1592 103.20      
7 A1 1512 1498 62.60      
8 A1 1325 1313 53.20      
9 A1 1210 1199 12.14      
10 A1 1031 1022 1.55      
11 A1 999 990 5.51      
12 A1 821 813 4.24      
13 A1 536 531 0.00      
14 A2 940 931 0.00      
15 A2 805 797 0.00      
16 A2 415 411 0.00      
17 A2 390 386 0.00      
18 B1 965 957 1.73      
19 B1 870 862 25.73      
20 B1 760 753 47.68      
21 B1 698 692 51.00      
22 B1 513 508 8.20      
23 B1 275 272 315.05      
24 B1 217 215 31.45      
25 B2 3601 3568 21.80      
26 B2 3128 3100 34.02      
27 B2 3106 3078 3.87      
28 B2 1561 1546 7.37      
29 B2 1475 1462 1.11      
30 B2 1370 1358 0.08      
31 B2 1335 1323 12.07      
32 B2 1193 1182 2.34      
33 B2 1119 1109 7.87      
34 B2 1007 998 0.00      
35 B2 636 630 0.35      
36 B2 373 369 3.34      

Unscaled Zero Point Vibrational Energy (zpe) 25149.0 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 24920.1 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 PBEPBE/3-21G
ABC
0.18531 0.08538 0.05845

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.955
C2 0.000 1.215 0.220
C3 0.000 1.209 -1.179
C4 0.000 0.000 -1.896
C5 0.000 -1.209 -1.179
C6 0.000 -1.215 0.220
N7 0.000 0.000 2.334
H8 0.000 2.166 0.762
H9 0.000 2.162 -1.715
H10 0.000 0.000 -2.988
H11 0.000 -2.162 -1.715
H12 0.000 -2.166 0.762
H13 0.000 -0.875 2.856
H14 0.000 0.875 2.856

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 H8 H9 H10 H11 H12 H13 H14
C11.42012.45242.85042.45241.42011.37992.17503.43563.94233.43562.17502.09292.0929
C21.42011.39922.44022.79942.43092.43881.09432.15463.43043.89293.42493.36412.6573
C32.45241.39921.40562.41832.79943.71582.16391.09362.17563.41383.89364.54134.0484
C42.85042.44021.40561.40562.44024.23033.42862.16981.09192.16983.42864.83144.8314
C52.45242.79942.41831.40561.39923.71583.89363.41382.17561.09362.16394.04844.5413
C61.42012.43092.79942.44021.39922.43883.42493.89293.43042.15461.09432.65733.3641
N71.37992.43883.71584.23033.71582.43882.67714.59095.32224.59092.67711.01881.0188
H82.17501.09432.16393.42863.89363.42492.67712.47694.33024.98724.33283.69292.4599
H93.43562.15461.09362.16983.41383.89294.59092.47692.50894.32464.98725.48824.7485
H103.94233.43042.17561.09192.17563.43045.32224.33022.50892.50894.33025.90855.9085
H113.43563.89293.41382.16981.09362.15464.59094.98724.32462.50892.47694.74855.4882
H122.17503.42493.89363.42862.16391.09432.67714.33284.98724.33022.47692.45993.6929
H132.09293.36414.54134.83144.04842.65731.01883.69295.48825.90854.74852.45991.7508
H142.09292.65734.04844.83144.54133.36411.01882.45994.74855.90855.48823.69291.7508

picture of aniline state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.883 C1 C2 H8 119.200
C1 C6 C5 120.883 C1 C6 H12 119.200
C1 N7 H13 120.763 C1 N7 H14 120.763
C2 C1 C6 117.716 C2 C1 N7 121.142
C2 C3 C4 120.919 C2 C3 H9 119.101
C3 C2 H8 119.917 C3 C4 C5 118.680
C3 C4 H10 120.660 C4 C3 H9 119.981
C4 C5 C6 120.919 C4 C5 H11 119.981
C5 C4 H10 120.660 C5 C6 H12 119.917
C6 C1 N7 121.142 C6 C5 H11 119.101
H13 N7 H14 118.474
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.310      
2 C -0.203      
3 C -0.202      
4 C -0.213      
5 C -0.202      
6 C -0.203      
7 N -0.813      
8 H 0.174      
9 H 0.189      
10 H 0.183      
11 H 0.189      
12 H 0.174      
13 H 0.309      
14 H 0.309      


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 2.409 2.409
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.055 0.000 0.000
y 0.000 -35.975 0.000
z 0.000 0.000 -30.540
Traceless
 xyz
x -13.797 0.000 0.000
y 0.000 2.823 0.000
z 0.000 0.000 10.974
Polar
3z2-r221.949
x2-y2-11.080
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.508 0.000 0.000
y 0.000 10.915 0.000
z 0.000 0.000 13.503


<r2> (average value of r2) Å2
<r2> 193.911
(<r2>)1/2 13.925