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All results from a given calculation for C6H5NO2 (Nitrobenzene)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-436.583902
Energy at 298.15K-436.590994
Nuclear repulsion energy414.216486
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 B1B95/6-31G*
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 3274 3108 4.21      
2 A1 3250 3085 10.17      
3 A1 3228 3064 0.73      
4 A1 1674 1589 3.52      
5 A1 1530 1452 7.34      
6 A1 1458 1384 277.19      
7 A1 1205 1144 0.13      
8 A1 1143 1085 31.99      
9 A1 1054 1001 7.20      
10 A1 1020 969 0.05      
11 A1 879 835 35.98      
12 A1 695 660 11.46      
13 A1 398 378 1.79      
14 A2 996 946 0.00      
15 A2 865 821 0.00      
16 A2 418 397 0.00      
17 A2 61 58 0.00      
18 B1 1021 969 0.22      
19 B1 968 919 3.50      
20 B1 818 776 7.88      
21 B1 726 689 77.06      
22 B1 694 659 6.24      
23 B1 448 425 0.10      
24 B1 173 164 1.10      
25 B2 3274 3108 0.44      
26 B2 3241 3077 11.08      
27 B2 1732 1644 158.51      
28 B2 1677 1592 74.61      
29 B2 1514 1438 2.01      
30 B2 1402 1331 10.35      
31 B2 1335 1267 0.59      
32 B2 1194 1134 0.38      
33 B2 1104 1048 8.13      
34 B2 616 585 0.03      
35 B2 533 506 1.00      
36 B2 255 242 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 22935.5 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 21772.6 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 B1B95/6-31G*
ABC
0.13346 0.04339 0.03274

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.243
C2 0.000 1.216 -0.423
C3 0.000 1.207 -1.810
C4 0.000 0.000 -2.501
C5 0.000 -1.207 -1.810
C6 0.000 -1.216 -0.423
N7 0.000 0.000 1.709
O8 0.000 -1.081 2.273
O9 0.000 1.081 2.273
H10 0.000 2.135 0.147
H11 0.000 2.146 -2.351
H12 0.000 0.000 -3.586
H13 0.000 -2.146 -2.351
H14 0.000 -2.135 0.147

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 O9 H10 H11 H12 H13 H14
C11.38622.38192.74492.38191.38621.46562.29952.29952.13723.36713.82913.36712.1372
C21.38621.38742.40832.79202.43142.45393.54132.69881.08152.14133.38873.87573.3988
C32.38191.38741.39132.41452.79203.72034.68044.08482.16581.08372.14723.39673.8731
C42.74492.40831.39131.39132.40834.21054.89534.89533.40202.15131.08412.15133.4020
C52.38192.79202.41451.39131.38743.72034.08484.68043.87313.39672.14721.08372.1658
C61.38622.43142.79202.40831.38742.45392.69883.54133.39883.87573.38872.14131.0815
N71.46562.45393.72034.21053.72032.45391.21941.21942.64544.59245.29474.59242.6454
O82.29953.54134.68044.89534.08482.69881.21942.16233.85535.63895.95754.74512.3728
O92.29952.69884.08484.89534.68043.54131.21942.16232.37284.74515.95755.63893.8553
H102.13721.08152.16583.40203.87313.39882.64543.85532.37282.49824.30024.95674.2702
H113.36712.14131.08372.15133.39673.87574.59245.63894.74512.49822.47584.29224.9567
H123.82913.38872.14721.08412.14723.38875.29475.95755.95754.30022.47582.47584.3002
H133.36713.87573.39672.15131.08372.14134.59244.74515.63894.95674.29222.47582.4982
H142.13723.39883.87313.40202.16581.08152.64542.37283.85534.27024.95674.30022.4982

picture of Nitrobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.364 C1 C2 H10 119.504
C1 C6 C5 118.364 C1 C6 H14 119.504
C1 N7 O8 117.546 C1 N7 O9 117.546
C2 C1 C6 122.572 C2 C1 N7 118.714
C2 C3 C4 120.157 C2 C3 H11 119.612
C3 C2 H10 122.131 C3 C4 C5 120.386
C3 C4 H12 119.807 C4 C3 H11 120.231
C4 C5 C6 120.157 C4 C5 H13 120.231
C5 C4 H12 119.807 C5 C6 H14 122.131
C6 C1 N7 118.714 C6 C5 H13 119.612
O8 N7 O9 124.909
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.224      
2 C -0.154      
3 C -0.174      
4 C -0.134      
5 C -0.174      
6 C -0.154      
7 N 0.396      
8 O -0.396      
9 O -0.396      
10 H 0.214      
11 H 0.179      
12 H 0.176      
13 H 0.179      
14 H 0.214      


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 -4.529 4.529
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.702 0.000 0.000
y 0.000 -46.477 0.000
z 0.000 0.000 -53.249
Traceless
 xyz
x -1.839 0.000 0.000
y 0.000 5.998 0.000
z 0.000 0.000 -4.160
Polar
3z2-r2-8.320
x2-y2-5.225
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.913 0.000 0.000
y 0.000 12.556 0.000
z 0.000 0.000 14.642


<r2> (average value of r2) Å2
<r2> 310.194
(<r2>)1/2 17.612