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All results from a given calculation for C6H5NO2 (Nitrobenzene)

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-434.317358
Energy at 298.15K-434.324566
Nuclear repulsion energy408.803268
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 B3LYP/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 3263 3148 4.49      
2 A1 3227 3114 7.50      
3 A1 3204 3092 0.63      
4 A1 1623 1566 5.21      
5 A1 1530 1477 10.99      
6 A1 1234 1190 5.50      
7 A1 1193 1151 206.21      
8 A1 1107 1069 0.67      
9 A1 1055 1018 8.06      
10 A1 1034 998 0.31      
11 A1 793 765 10.05      
12 A1 679 655 16.78      
13 A1 406 391 2.84      
14 A2 1048 1011 0.00      
15 A2 894 863 0.00      
16 A2 442 427 0.00      
17 A2 86 83 0.00      
18 B1 1068 1031 2.89      
19 B1 1011 975 6.53      
20 B1 819 790 30.96      
21 B1 734 709 44.68      
22 B1 665 642 34.10      
23 B1 459 443 0.29      
24 B1 184 177 0.57      
25 B2 3262 3147 1.36      
26 B2 3217 3104 8.19      
27 B2 1633 1576 0.41      
28 B2 1517 1464 21.95      
29 B2 1379 1331 29.95      
30 B2 1350 1303 11.78      
31 B2 1338 1291 44.27      
32 B2 1230 1187 0.02      
33 B2 1113 1074 15.79      
34 B2 652 629 0.05      
35 B2 499 481 1.10      
36 B2 261 252 2.12      

Unscaled Zero Point Vibrational Energy (zpe) 22603.9 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 21810.5 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 B3LYP/3-21G
ABC
0.12867 0.04273 0.03207

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.244
C2 0.000 1.217 -0.430
C3 0.000 1.213 -1.823
C4 0.000 0.000 -2.519
C5 0.000 -1.213 -1.823
C6 0.000 -1.217 -0.430
N7 0.000 0.000 1.710
O8 0.000 -1.142 2.297
O9 0.000 1.142 2.297
H10 0.000 2.128 0.149
H11 0.000 2.152 -2.363
H12 0.000 0.000 -3.602
H13 0.000 -2.152 -2.363
H14 0.000 -2.128 0.149

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 O9 H10 H11 H12 H13 H14
C11.39092.39672.76312.39671.39091.46562.34862.34862.12983.38073.84663.38072.1298
C21.39091.39262.41722.80062.43302.46153.60502.72771.07982.14763.39763.88363.3941
C32.39671.39261.39892.42672.80063.73514.74504.11992.17371.08292.15393.40813.8796
C42.76312.41721.39891.39892.41724.22874.94904.94903.41272.15731.08352.15733.4127
C52.39672.80062.42671.39891.39263.73514.11994.74503.87963.40812.15391.08292.1737
C61.39092.43302.80062.41721.39262.46152.72773.60503.39413.88363.39762.14761.0798
N71.46562.46153.73514.22873.73512.46151.28371.28372.63864.60665.31224.60662.6386
O82.34863.60504.74504.94904.11992.72771.28372.28353.91165.70636.00854.76812.3628
O92.34862.72774.11994.94904.74503.60501.28372.28352.36284.76816.00855.70633.9116
H102.12981.07982.17373.41273.87963.39412.63863.91162.36282.51284.31314.96254.2554
H113.38072.14761.08292.15733.40813.88364.60665.70634.76812.51282.48294.30334.9625
H123.84663.39762.15391.08352.15393.39765.31226.00856.00854.31312.48292.48294.3131
H133.38073.88363.40812.15731.08292.14764.60664.76815.70634.96254.30332.48292.5128
H142.12983.39413.87963.41272.17371.07982.63862.36283.91164.25544.96254.31312.5128

picture of Nitrobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.867 C1 C2 H10 118.551
C1 C6 C5 118.867 C1 C6 H14 118.551
C1 N7 O8 117.199 C1 N7 O9 117.199
C2 C1 C6 122.004 C2 C1 N7 118.998
C2 C3 C4 119.977 C2 C3 H11 119.819
C3 C2 H10 122.582 C3 C4 C5 120.308
C3 C4 H12 119.846 C4 C3 H11 120.204
C4 C5 C6 119.977 C4 C5 H13 120.204
C5 C4 H12 119.846 C5 C6 H14 122.582
C6 C1 N7 118.998 C6 C5 H13 119.819
O8 N7 O9 125.602
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.299      
2 C -0.173      
3 C -0.188      
4 C -0.169      
5 C -0.188      
6 C -0.173      
7 N 0.080      
8 O -0.289      
9 O -0.289      
10 H 0.235      
11 H 0.207      
12 H 0.206      
13 H 0.207      
14 H 0.235      


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 -4.424 4.424
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -53.050 0.000 0.000
y 0.000 -47.169 0.000
z 0.000 0.000 -53.330
Traceless
 xyz
x -2.801 0.000 0.000
y 0.000 6.021 0.000
z 0.000 0.000 -3.221
Polar
3z2-r2-6.442
x2-y2-5.881
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 316.126
(<r2>)1/2 17.780