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All results from a given calculation for C6H5NO2 (Nitrobenzene)

using model chemistry: MP2=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/3-21G*
 hartrees
Energy at 0K-432.644217
Energy at 298.15K-432.651188
Nuclear repulsion energy405.035688
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=FULL/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 3255 3086 3.04      
2 A1 3225 3057 7.63      
3 A1 3200 3033 0.19      
4 A1 1598 1515 1.73      
5 A1 1524 1445 17.15      
6 A1 1268 1202 32.80      
7 A1 1232 1168 10.59      
8 A1 1094 1037 0.20      
9 A1 1048 994 8.27      
10 A1 1017 964 0.34      
11 A1 784 743 19.11      
12 A1 679 643 24.88      
13 A1 400 379 4.98      
14 A2 953 904 0.00      
15 A2 859 814 0.00      
16 A2 429 406 0.00      
17 A2 70 66 0.00      
18 B1 941 892 0.78      
19 B1 922 874 10.34      
20 B1 771 731 81.66      
21 B1 667 632 7.18      
22 B1 627 595 26.48      
23 B1 436 413 0.61      
24 B1 180 170 0.24      
25 B2 3254 3085 0.89      
26 B2 3211 3044 8.81      
27 B2 1744 1654 0.08      
28 B2 1608 1524 7.88      
29 B2 1504 1426 10.67      
30 B2 1364 1293 2.67      
31 B2 1338 1269 1.96      
32 B2 1238 1173 0.58      
33 B2 1107 1049 6.41      
34 B2 649 615 0.01      
35 B2 485 460 0.25      
36 B2 259 245 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 22468.6 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 21300.2 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 MP2=FULL/3-21G*
ABC
0.12650 0.04189 0.03147

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.235
C2 0.000 1.225 -0.435
C3 0.000 1.218 -1.839
C4 0.000 0.000 -2.544
C5 0.000 -1.218 -1.839
C6 0.000 -1.225 -0.435
N7 0.000 0.000 1.728
O8 0.000 -1.159 2.322
O9 0.000 1.159 2.322
H10 0.000 2.142 0.141
H11 0.000 2.161 -2.379
H12 0.000 0.000 -3.630
H13 0.000 -2.161 -2.379
H14 0.000 -2.142 0.141

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 O9 H10 H11 H12 H13 H14
C11.39592.40552.77872.40551.39591.49262.38672.38672.14423.39153.86473.39152.1442
C21.39591.40462.43892.81812.44972.48503.64402.75681.08312.15803.42183.90433.4159
C32.40551.40461.40732.43672.81813.76914.79194.16102.18531.08612.16573.42193.9006
C42.77872.43891.40731.40732.43894.27125.00125.00123.43472.16701.08612.16703.4347
C52.40552.81812.43671.40731.40463.76914.16104.79193.90063.42192.16571.08612.1853
C61.39592.44972.81812.43891.40462.48502.75683.64403.41593.90433.42182.15801.0831
N71.49262.48503.76914.27123.76912.48501.30231.30232.66564.64055.35734.64052.6656
O82.38673.64404.79195.00124.16102.75681.30232.31813.95625.75476.06304.80612.3916
O92.38672.75684.16105.00124.79193.64401.30232.31812.39164.80616.06305.75473.9562
H102.14421.08312.18533.43473.90063.41592.66563.95622.39162.52044.33694.98674.2843
H113.39152.15801.08612.16703.42193.90434.64055.75474.80612.52042.49664.32154.9867
H123.86473.42182.16571.08612.16573.42185.35736.06306.06304.33692.49662.49664.3369
H133.39153.90433.42192.16701.08612.15804.64054.80615.75474.98674.32152.49662.5204
H142.14423.41593.90063.43472.18531.08312.66562.39163.95624.28434.98674.33692.5204

picture of Nitrobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.400 C1 C2 H10 119.218
C1 C6 C5 118.400 C1 C6 H14 119.218
C1 N7 O8 117.128 C1 N7 O9 117.128
C2 C1 C6 122.669 C2 C1 N7 118.666
C2 C3 C4 120.303 C2 C3 H11 119.544
C3 C2 H10 122.382 C3 C4 C5 119.925
C3 C4 H12 120.038 C4 C3 H11 120.153
C4 C5 C6 120.303 C4 C5 H13 120.153
C5 C4 H12 120.038 C5 C6 H14 122.382
C6 C1 N7 118.666 C6 C5 H13 119.544
O8 N7 O9 125.744
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability