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All results from a given calculation for C6H5NH2 (aniline)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-47.532004
Energy at 298.15K-47.539911
HF Energy-46.662174
Nuclear repulsion energy137.249436
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 MP2/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3546 3367 9.41      
2 A' 3229 3065 15.03      
3 A' 3198 3037 6.76      
4 A' 3174 3014 9.97      
5 A' 1700 1614 105.72      
6 A' 1673 1589 24.44      
7 A' 1532 1454 62.58      
8 A' 1293 1227 43.36      
9 A' 1199 1139 3.50      
10 A' 1050 996 6.07      
11 A' 1000 949 1.19      
12 A' 915 868 1.38      
13 A' 879 834 18.16      
14 A' 830 788 67.63      
15 A' 782 742 250.52      
16 A' 749 711 140.22      
17 A' 651 618 23.54      
18 A' 517 491 0.09      
19 A' 503 478 37.45      
20 A' 222 211 5.45      
21 A" 3659 3474 8.43      
22 A" 3210 3047 37.80      
23 A" 3181 3020 1.04      
24 A" 1660 1576 0.84      
25 A" 1503 1427 0.07      
26 A" 1489 1414 10.11      
27 A" 1352 1284 0.00      
28 A" 1174 1114 0.47      
29 A" 1154 1096 1.71      
30 A" 1082 1028 9.21      
31 A" 926 879 0.02      
32 A" 843 800 0.01      
33 A" 610 580 0.25      
34 A" 410 389 0.52      
35 A" 372 353 0.24      
36 A" 235 223 32.47      

Unscaled Zero Point Vibrational Energy (zpe) 25750.3 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 24447.3 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 MP2/CEP-31G*
ABC
0.18092 0.08368 0.05735

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.003 0.924 0.000
C2 0.010 0.201 1.229
C3 0.010 -1.219 1.225
C4 0.010 -1.939 0.000
C5 0.010 -1.219 -1.225
C6 0.010 0.201 -1.229
N7 0.085 2.349 0.000
H8 0.021 0.746 2.181
H9 0.013 -1.757 2.181
H10 0.010 -3.035 0.000
H11 0.013 -1.757 -2.181
H12 0.021 0.746 -2.181
H13 -0.347 2.756 -0.833
H14 -0.347 2.756 0.833

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 H8 H9 H10 H11 H12 H13 H14
C11.42602.46882.86352.46881.42601.42772.18843.45633.95893.45632.18842.04162.0416
C21.42601.41952.46752.83512.45742.47631.09772.17703.46073.93153.45313.30282.6107
C32.46881.41951.42142.45082.83513.77352.18531.09652.19053.44833.93274.49064.0104
C42.86352.46751.42141.42142.46754.28913.45972.18821.09542.18823.45974.78214.7821
C52.46882.83512.45081.42141.41953.77353.93273.44832.19051.09652.18534.01044.4906
C61.42602.45742.83512.46751.41952.47633.45313.93153.46072.17701.09772.61073.3028
N71.42772.47633.77354.28913.77352.47632.70744.65025.38444.65022.70741.02261.0226
H82.18841.09772.18533.45973.93273.45312.70742.50374.36495.02914.36203.64112.4480
H93.45632.17701.09652.18823.44833.93154.65022.50372.52724.36135.02915.43904.7242
H103.95893.46072.19051.09542.19053.46075.38444.36492.52722.52724.36495.86135.8613
H113.45633.93153.44832.18821.09652.17704.65025.02914.36132.52722.50374.72425.4390
H122.18843.45313.93273.45972.18531.09772.70744.36205.02914.36492.50372.44803.6411
H132.04163.30284.49064.78214.01042.61071.02263.64115.43905.86134.72422.44801.6655
H142.04162.61074.01044.78214.49063.30281.02262.44804.72425.86135.43903.64111.6655

picture of aniline state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.360 C1 C2 H8 119.692
C1 C6 C5 120.360 C1 C6 H12 119.692
C1 N7 H13 111.790 C1 N7 H14 111.790
C2 C1 C6 119.002 C2 C1 N7 120.392
C2 C3 C4 120.580 C2 C3 H9 119.271
C3 C2 H8 119.949 C3 C4 C5 119.107
C3 C4 H10 120.446 C4 C3 H9 120.149
C4 C5 C6 120.580 C4 C5 H11 120.149
C5 C4 H10 120.446 C5 C6 H12 119.949
C6 C1 N7 120.392 C6 C5 H11 119.271
H13 N7 H14 109.044
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability