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All results from a given calculation for C6H5NO2 (Nitrobenzene)

using model chemistry: QCISD/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/6-31G**
 hartrees
Energy at 0K-435.533282
Energy at 298.15K-435.540234
HF Energy-434.177873
Nuclear repulsion energy411.722378
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 QCISD/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3309 3115 2.55      
2 A1 3276 3084 12.90      
3 A1 3253 3062 0.76      
4 A1 1688 1589 1.88      
5 A1 1557 1465 4.77      
6 A1 1438 1354 183.83      
7 A1 1225 1153 4.13      
8 A1 1157 1089 8.41      
9 A1 1065 1002 3.77      
10 A1 1030 969 0.24      
11 A1 866 815 32.32      
12 A1 700 659 15.92      
13 A1 406 383 2.66      
14 A2 958 902 0.00      
15 A2 858 807 0.00      
16 A2 403 380 0.00      
17 A2 42 40 0.00      
18 B1 952 896 0.41      
19 B1 927 872 2.15      
20 B1 780 734 25.31      
21 B1 709 668 66.18      
22 B1 553 521 0.23      
23 B1 426 401 0.08      
24 B1 172 162 1.16      
25 B2 3309 3115 0.08      
26 B2 3266 3075 12.71      
27 B2 1710 1610 18.99      
28 B2 1629 1534 221.13      
29 B2 1526 1437 0.02      
30 B2 1367 1286 0.15      
31 B2 1338 1260 14.07      
32 B2 1203 1133 1.61      
33 B2 1125 1059 5.77      
34 B2 629 592 0.06      
35 B2 527 496 1.21      
36 B2 267 251 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 22819.8 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 21482.6 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 QCISD/6-31G**
ABC
0.13184 0.04287 0.03235

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.242
C2 0.000 1.223 -0.425
C3 0.000 1.212 -1.820
C4 0.000 0.000 -2.516
C5 0.000 -1.212 -1.820
C6 0.000 -1.223 -0.425
N7 0.000 0.000 1.717
O8 0.000 -1.092 2.288
O9 0.000 1.092 2.288
H10 0.000 2.143 0.139
H11 0.000 2.149 -2.361
H12 0.000 0.000 -3.598
H13 0.000 -2.149 -2.361
H14 0.000 -2.143 0.139

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 O9 H10 H11 H12 H13 H14
C11.39302.39222.75802.39221.39301.47532.31982.31982.14503.37563.84043.37562.1450
C21.39301.39502.42202.80622.44552.46703.56722.71701.07912.14603.40053.88803.4123
C32.39221.39501.39772.42442.80623.73954.71104.11052.16891.08192.15203.40463.8849
C42.75802.42201.39771.39772.42204.23334.92724.92723.41162.15481.08232.15483.4116
C52.39222.80622.42441.39771.39503.73954.11054.71103.88493.40462.15201.08192.1689
C61.39302.44552.80622.42201.39502.46702.71703.56723.41233.88803.40052.14601.0791
N71.47532.46703.73954.23333.73952.46701.23281.23282.66124.61005.31574.61002.6612
O82.31983.56724.71104.92724.11052.71701.23282.18503.88415.66805.98744.76812.3923
O92.31982.71704.11054.92724.71103.56721.23282.18502.39234.76815.98745.66803.8841
H102.14501.07912.16893.41163.88493.41232.66123.88412.39232.49994.30794.96684.2851
H113.37562.14601.08192.15483.40463.88804.61005.66804.76812.49992.48004.29854.9668
H123.84043.40052.15201.08232.15203.40055.31575.98745.98744.30792.48002.48004.3079
H133.37563.88803.40462.15481.08192.14604.61004.76815.66804.96684.29852.48002.4999
H142.14503.41233.88493.41162.16891.07912.66122.39233.88414.28514.96684.30792.4999

picture of Nitrobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.192 C1 C2 H10 119.847
C1 C6 C5 118.192 C1 C6 H14 119.847
C1 N7 O8 117.601 C1 N7 O9 117.601
C2 C1 C6 122.749 C2 C1 N7 118.626
C2 C3 C4 120.288 C2 C3 H11 119.555
C3 C2 H10 121.960 C3 C4 C5 120.291
C3 C4 H12 119.855 C4 C3 H11 120.157
C4 C5 C6 120.288 C4 C5 H13 120.157
C5 C4 H12 119.855 C5 C6 H14 121.960
C6 C1 N7 118.626 C6 C5 H13 119.555
O8 N7 O9 124.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability