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All results from a given calculation for C6H5NO2 (Nitrobenzene)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G4
 hartrees
Energy at 0K-436.551643
Energy at 298.15K-436.543855
HF Energy-436.781888
Nuclear repulsion energy412.755048
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/6-31G(2df,p)
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 3238 3125 3.67      
2 A1 3205 3093 10.24      
3 A1 3183 3071 0.70      
4 A1 1628 1571 3.05      
5 A1 1509 1456 11.45      
6 A1 1395 1347 255.52      
7 A1 1195 1154 1.78      
8 A1 1123 1084 31.21      
9 A1 1043 1006 4.39      
10 A1 1017 981 0.19      
11 A1 867 836 33.87      
12 A1 694 670 9.64      
13 A1 398 384 1.28      
14 A2 978 944 0.00      
15 A2 866 836 0.00      
16 A2 420 405 0.00      
17 A2 64 62 0.00      
18 B1 1010 975 0.57      
19 B1 970 936 2.42      
20 B1 830 801 5.14      
21 B1 729 704 61.81      
22 B1 699 674 3.50      
23 B1 454 438 0.04      
24 B1 173 167 1.08      
25 B2 3238 3125 0.33      
26 B2 3196 3084 10.67      
27 B2 1664 1606 81.15      
28 B2 1616 1559 140.86      
29 B2 1487 1435 1.23      
30 B2 1358 1311 9.65      
31 B2 1329 1283 1.00      
32 B2 1184 1143 0.16      
33 B2 1098 1059 7.63      
34 B2 622 600 0.04      
35 B2 528 509 1.22      
36 B2 260 250 1.07      

Unscaled Zero Point Vibrational Energy (zpe) 22633.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 21841.5 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/6-31G(2df,p)
ABC
0.13284 0.04298 0.03248

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.243
C2 0.000 1.218 -0.427
C3 0.000 1.210 -1.818
C4 0.000 0.000 -2.511
C5 0.000 -1.210 -1.818
C6 0.000 -1.218 -0.427
N7 0.000 0.000 1.718
O8 0.000 -1.085 2.285
O9 0.000 1.085 2.285
H10 0.000 2.137 0.143
H11 0.000 2.149 -2.360
H12 0.000 0.000 -3.596
H13 0.000 -2.149 -2.360
H14 0.000 -2.137 0.143

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 O9 H10 H11 H12 H13 H14
C11.39012.38962.75402.38961.39011.47492.31242.31242.13883.37513.83883.37512.1388
C21.39011.39062.41382.79782.43592.46663.55802.71541.08132.14503.39473.88203.4026
C32.38961.39061.39442.41962.79783.73684.70094.10462.16901.08422.15073.40223.8787
C42.75402.41381.39441.39442.41384.22894.91734.91733.40752.15431.08482.15433.4075
C52.38962.79782.41961.39441.39063.73684.10464.70093.87873.40222.15071.08422.1690
C61.39012.43592.79782.41381.39062.46662.71543.55803.40263.88203.39472.14501.0813
N71.47492.46663.73684.22893.73682.46661.22431.22432.65404.60905.31374.60902.6540
O82.31243.55804.70094.91734.10462.71541.22432.17013.86855.65965.98014.76492.3858
O92.31242.71544.10464.91734.70093.55801.22432.17012.38584.76495.98015.65963.8685
H102.13881.08132.16903.40753.87873.40262.65403.86852.38582.50304.30664.96294.2731
H113.37512.14501.08422.15433.40223.88204.60905.65964.76492.50302.47924.29794.9629
H123.83883.39472.15071.08482.15073.39475.31375.98015.98014.30662.47922.47924.3066
H133.37513.88203.40222.15431.08422.14504.60904.76495.65964.96294.29792.47922.5030
H142.13883.40263.87873.40752.16901.08132.65402.38583.86854.27314.96294.30662.5030

picture of Nitrobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.698 C1 C2 H10 119.469
C1 C6 C5 118.698 C1 C6 H14 119.469
C1 N7 O8 117.252 C1 N7 O9 117.252
C2 C1 C6 122.017 C2 C1 N7 118.991
C2 C3 C4 120.163 C2 C3 H11 119.649
C3 C2 H10 121.833 C3 C4 C5 120.260
C3 C4 H12 119.870 C4 C3 H11 120.187
C4 C5 C6 120.163 C4 C5 H13 120.187
C5 C4 H12 119.870 C5 C6 H14 121.833
C6 C1 N7 118.991 C6 C5 H13 119.649
O8 N7 O9 125.495
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.335      
2 C -0.171      
3 C -0.095      
4 C -0.102      
5 C -0.095      
6 C -0.171      
7 N 0.385      
8 O -0.360      
9 O -0.360      
10 H 0.145      
11 H 0.116      
12 H 0.114      
13 H 0.116      
14 H 0.145      


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 -4.387 4.387
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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> 312.532
(<r2>)1/2 17.679