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All results from a given calculation for C6H5NO2 (Nitrobenzene)

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-431.712161
Energy at 298.15K-431.719844
Nuclear repulsion energy414.558165
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 HF/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 3436 3102 4.35      
2 A1 3393 3063 7.15      
3 A1 3367 3039 1.14      
4 A1 1765 1593 6.80      
5 A1 1660 1498 16.17      
6 A1 1353 1222 156.93      
7 A1 1316 1188 76.44      
8 A1 1202 1085 0.24      
9 A1 1132 1022 5.68      
10 A1 1105 997 1.03      
11 A1 866 782 12.31      
12 A1 742 670 25.31      
13 A1 438 396 6.49      
14 A2 1198 1081 0.00      
15 A2 1010 912 0.00      
16 A2 482 435 0.00      
17 A2 75 68 0.00      
18 B1 1221 1102 2.03      
19 B1 1156 1043 8.75      
20 B1 918 829 38.66      
21 B1 802 724 73.42      
22 B1 747 674 47.48      
23 B1 511 461 0.15      
24 B1 204 184 1.65      
25 B2 3435 3101 3.65      
26 B2 3384 3054 8.59      
27 B2 1772 1599 0.66      
28 B2 1635 1476 40.13      
29 B2 1491 1345 31.00      
30 B2 1413 1275 156.50      
31 B2 1367 1233 69.35      
32 B2 1264 1141 26.55      
33 B2 1188 1072 23.47      
34 B2 704 635 0.45      
35 B2 537 484 5.55      
36 B2 283 255 3.91      

Unscaled Zero Point Vibrational Energy (zpe) 24284.9 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 21919.5 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 HF/3-21G*
ABC
0.13311 0.04367 0.03288

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.245
C2 0.000 1.205 -0.423
C3 0.000 1.202 -1.804
C4 0.000 0.000 -2.493
C5 0.000 -1.202 -1.804
C6 0.000 -1.205 -0.423
N7 0.000 0.000 1.694
O8 0.000 -1.103 2.269
O9 0.000 1.103 2.269
H10 0.000 2.112 0.139
H11 0.000 2.130 -2.337
H12 0.000 0.000 -3.564
H13 0.000 -2.130 -2.337
H14 0.000 -2.112 0.139

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 O9 H10 H11 H12 H13 H14
C11.37812.37542.73752.37541.37811.44962.30572.30572.11503.34773.80913.34772.1150
C21.37811.38082.39502.77542.41082.43673.54692.69451.06722.12613.36453.84603.3652
C32.37541.38081.38552.40422.77543.69924.68054.07452.14591.07072.13173.37493.8421
C42.73752.39501.38551.38552.39504.18724.88834.88833.37492.13601.07162.13603.3749
C52.37542.77542.40421.38551.38083.69924.07454.68053.84213.37492.13171.07072.1459
C61.37812.41082.77542.39501.38082.43672.69453.54693.36523.84603.36452.12611.0672
N71.44962.43673.69924.18723.69922.43671.24421.24422.62314.56025.25884.56022.6231
O82.30573.54694.68054.88834.07452.69451.24422.20683.85735.62865.93714.72002.3570
O92.30572.69454.07454.88834.68053.54691.24422.20682.35704.72005.93715.62863.8573
H102.11501.06722.14593.37493.84213.36522.62313.85732.35702.47684.26374.91284.2248
H113.34772.12611.07072.13603.37493.84604.56025.62864.72002.47682.45844.26074.9128
H123.80913.36452.13171.07162.13173.36455.25885.93715.93714.26372.45842.45844.2637
H133.34773.84603.37492.13601.07072.12614.56024.72005.62864.91284.26072.45842.4768
H142.11503.36523.84213.37492.14591.06722.62312.35703.85734.22484.91284.26372.4768

picture of Nitrobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.855 C1 C2 H10 119.202
C1 C6 C5 118.855 C1 C6 H14 119.202
C1 N7 O8 117.522 C1 N7 O9 117.522
C2 C1 C6 122.014 C2 C1 N7 118.993
C2 C3 C4 119.951 C2 C3 H11 119.753
C3 C2 H10 121.943 C3 C4 C5 120.375
C3 C4 H12 119.813 C4 C3 H11 120.297
C4 C5 C6 119.951 C4 C5 H13 120.297
C5 C4 H12 119.813 C5 C6 H14 121.943
C6 C1 N7 118.993 C6 C5 H13 119.753
O8 N7 O9 124.956
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.266      
2 C -0.193      
3 C -0.246      
4 C -0.212      
5 C -0.246      
6 C -0.193      
7 N 0.187      
8 O -0.386      
9 O -0.386      
10 H 0.310      
11 H 0.263      
12 H 0.263      
13 H 0.263      
14 H 0.310      


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 -5.263 5.263
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -54.248 0.000 0.000
y 0.000 -47.974 0.000
z 0.000 0.000 -55.787
Traceless
 xyz
x -2.367 0.000 0.000
y 0.000 7.043 0.000
z 0.000 0.000 -4.676
Polar
3z2-r2-9.353
x2-y2-6.273
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> 0.000
(<r2>)1/2 0.000