return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H5NO2 (Nitrobenzene)

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-436.434990
Energy at 298.15K-436.441878
HF Energy-436.434990
Nuclear repulsion energy410.954978
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 PBEPBE/Def2TZVPP
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 3153 3115 5.79      
2 A1 3131 3093 7.44      
3 A1 3110 3072 0.57      
4 A1 1586 1567 3.02      
5 A1 1463 1446 10.91      
6 A1 1315 1299 271.51      
7 A1 1159 1145 1.09      
8 A1 1084 1071 39.93      
9 A1 1018 1006 7.03      
10 A1 994 982 0.21      
11 A1 840 830 34.92      
12 A1 673 665 6.36      
13 A1 382 377 0.55      
14 A2 960 949 0.00      
15 A2 828 818 0.00      
16 A2 402 397 0.00      
17 A2 52 51 0.00      
18 B1 979 967 0.20      
19 B1 932 920 3.42      
20 B1 789 780 10.37      
21 B1 697 688 67.10      
22 B1 676 668 12.55      
23 B1 432 426 0.60      
24 B1 161 159 0.72      
25 B2 3153 3115 0.12      
26 B2 3122 3085 8.96      
27 B2 1607 1588 11.26      
28 B2 1531 1513 213.19      
29 B2 1446 1429 0.00      
30 B2 1362 1345 10.71      
31 B2 1289 1273 0.29      
32 B2 1149 1135 0.17      
33 B2 1067 1054 10.17      
34 B2 604 597 0.03      
35 B2 510 504 0.95      
36 B2 246 243 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 21950.2 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 21684.6 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 PBEPBE/Def2TZVPP
ABC
0.13178 0.04260 0.03220

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.243
C2 0.000 1.221 -0.432
C3 0.000 1.212 -1.826
C4 0.000 0.000 -2.523
C5 0.000 -1.212 -1.826
C6 0.000 -1.221 -0.432
N7 0.000 0.000 1.723
O8 0.000 -1.092 2.299
O9 0.000 1.092 2.299
H10 0.000 2.147 0.139
H11 0.000 2.157 -2.371
H12 0.000 0.000 -3.613
H13 0.000 -2.157 -2.371
H14 0.000 -2.147 0.139

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 O9 H10 H11 H12 H13 H14
C11.39492.39802.76552.39801.39491.48022.32862.32862.14973.38873.85603.38872.1497
C21.39491.39472.42162.80472.44212.47643.57892.73411.08782.15333.40793.89513.4162
C32.39801.39471.39812.42462.80473.75054.72564.12742.17621.09042.15943.41303.8921
C42.76552.42161.39811.39812.42164.24574.94434.94433.41982.16231.09042.16233.4198
C52.39802.80472.42461.39811.39473.75054.12744.72563.89213.41302.15941.09042.1762
C61.39492.44212.80472.42161.39472.47642.73413.57893.41623.89513.40792.15331.0878
N71.48022.47643.75054.24573.75052.47641.23481.23482.66834.62735.33614.62732.6683
O82.32863.57894.72564.94434.12742.73411.23482.18393.89365.68926.01264.79022.4045
O92.32862.73414.12744.94434.72563.57891.23482.18392.40454.79026.01265.68923.8936
H102.14971.08782.17623.41983.89213.41622.66833.89362.40452.50984.32304.98244.2945
H113.38872.15331.09042.16233.41303.89514.62735.68924.79022.50982.48914.31394.9824
H123.85603.40792.15941.09042.15943.40795.33616.01266.01264.32302.48912.48914.3230
H133.38873.89513.41302.16231.09042.15334.62734.79025.68924.98244.31392.48912.5098
H142.14973.41623.89213.41982.17621.08782.66832.40453.89364.29454.98244.32302.5098

picture of Nitrobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.551 C1 C2 H10 119.460
C1 C6 C5 118.551 C1 C6 H14 119.460
C1 N7 O8 117.833 C1 N7 O9 117.833
C2 C1 C6 122.180 C2 C1 N7 118.910
C2 C3 C4 120.239 C2 C3 H11 119.606
C3 C2 H10 121.989 C3 C4 C5 120.242
C3 C4 H12 119.879 C4 C3 H11 120.155
C4 C5 C6 120.239 C4 C5 H13 120.155
C5 C4 H12 119.879 C5 C6 H14 121.989
C6 C1 N7 118.910 C6 C5 H13 119.606
O8 N7 O9 124.334
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.037      
2 C -0.128      
3 C -0.089      
4 C -0.101      
5 C -0.089      
6 C -0.128      
7 N 0.380      
8 O -0.265      
9 O -0.265      
10 H 0.137      
11 H 0.125      
12 H 0.124      
13 H 0.125      
14 H 0.137      


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 -4.448 4.448
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -52.768 0.000 0.000
y 0.000 -47.875 0.000
z 0.000 0.000 -54.719
Traceless
 xyz
x -1.471 0.000 0.000
y 0.000 5.869 0.000
z 0.000 0.000 -4.398
Polar
3z2-r2-8.796
x2-y2-4.893
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.558 0.000 0.000
y 0.000 14.218 0.000
z 0.000 0.000 17.250


<r2> (average value of r2) Å2
<r2> 315.683
(<r2>)1/2 17.767