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All results from a given calculation for C6H5NO2 (Nitrobenzene)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-435.636734
Energy at 298.15K-435.643423
HF Energy-434.259807
Nuclear repulsion energy411.346595
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 MP2/6-311G*
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 3259 3097 3.49      
2 A1 3234 3073 9.05      
3 A1 3212 3052 0.30      
4 A1 1645 1563 0.05      
5 A1 1521 1446 4.99      
6 A1 1412 1341 149.09      
7 A1 1209 1149 1.10      
8 A1 1145 1088 9.89      
9 A1 1049 997 5.24      
10 A1 1010 960 0.35      
11 A1 869 825 40.61      
12 A1 695 660 12.09      
13 A1 402 382 1.78      
14 A2 895 851 0.00      
15 A2 823 782 0.00      
16 A2 395 375 0.00      
17 A2 2 2 0.00      
18 B1 879 836 1.03      
19 B1 876 832 3.00      
20 B1 754 716 53.49      
21 B1 683 649 66.87      
22 B1 459 436 0.40      
23 B1 414 393 0.68      
24 B1 169 160 0.42      
25 B2 3259 3097 0.68      
26 B2 3224 3064 10.57      
27 B2 1796 1707 87.18      
28 B2 1656 1574 12.32      
29 B2 1494 1420 7.71      
30 B2 1469 1396 3.15      
31 B2 1341 1275 0.45      
32 B2 1196 1137 0.04      
33 B2 1110 1055 7.09      
34 B2 618 587 0.00      
35 B2 529 503 0.41      
36 B2 263 250 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 22482.2 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 21364.8 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 MP2/6-311G*
ABC
0.13186 0.04273 0.03227

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.246
C2 0.000 1.223 -0.425
C3 0.000 1.212 -1.822
C4 0.000 0.000 -2.523
C5 0.000 -1.212 -1.822
C6 0.000 -1.223 -0.425
N7 0.000 0.000 1.723
O8 0.000 -1.092 2.289
O9 0.000 1.092 2.289
H10 0.000 2.148 0.141
H11 0.000 2.153 -2.364
H12 0.000 0.000 -3.609
H13 0.000 -2.153 -2.364
H14 0.000 -2.148 0.141

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 O9 H10 H11 H12 H13 H14
C11.39482.39702.76832.39701.39481.47692.31682.31682.15013.38353.85523.38352.1501
C21.39481.39742.42802.80722.44592.47143.56722.71731.08412.15073.41113.89353.4177
C32.39701.39741.39952.42362.80723.74644.71294.11332.17501.08622.15913.40853.8910
C42.76832.42801.39951.39952.42804.24524.93404.93403.42152.15921.08692.15923.4215
C52.39702.80722.42361.39951.39743.74644.11334.71293.89103.40852.15911.08622.1750
C61.39482.44592.80722.42801.39742.47142.71733.56723.41773.89353.41112.15071.0841
N71.47692.47143.74644.24523.74642.47141.23001.23002.66714.61935.33204.61932.6671
O82.31683.56724.71294.93404.11332.71731.23002.18363.88695.67315.99874.77282.3936
O92.31682.71734.11334.93404.71293.56721.23002.18362.39364.77285.99875.67313.8869
H102.15011.08412.17503.42153.89103.41772.66713.88692.39362.50514.32174.97734.2952
H113.38352.15071.08622.15923.40853.89354.61935.67314.77282.50512.48754.30674.9773
H123.85523.41112.15911.08692.15913.41115.33205.99875.99874.32172.48752.48754.3217
H133.38353.89353.40852.15921.08622.15074.61934.77285.67314.97734.30672.48752.5051
H142.15013.41773.89103.42152.17501.08412.66712.39363.88694.29524.97734.32172.5051

picture of Nitrobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.288 C1 C2 H10 119.784
C1 C6 C5 118.288 C1 C6 H14 119.784
C1 N7 O8 117.425 C1 N7 O9 117.425
C2 C1 C6 122.511 C2 C1 N7 118.745
C2 C3 C4 120.474 C2 C3 H11 119.456
C3 C2 H10 121.928 C3 C4 C5 119.965
C3 C4 H12 120.018 C4 C3 H11 120.070
C4 C5 C6 120.474 C4 C5 H13 120.070
C5 C4 H12 120.018 C5 C6 H14 121.928
C6 C1 N7 118.745 C6 C5 H13 119.456
O8 N7 O9 125.150
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability