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: MP2/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-435.982224
Energy at 298.15K-435.989214
HF Energy-434.327758
Nuclear repulsion energy412.723672
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/aug-cc-pVTZ
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 3253 3100 5.96      
2 A1 3232 3080 3.61      
3 A1 3209 3058 0.25      
4 A1 1630 1553 0.11      
5 A1 1505 1434 2.83      
6 A1 1388 1323 155.40      
7 A1 1190 1134 1.79      
8 A1 1135 1082 7.83      
9 A1 1042 993 7.53      
10 A1 1013 966 0.40      
11 A1 859 819 32.05      
12 A1 687 655 11.26      
13 A1 399 380 1.92      
14 A2 972 926 0.00      
15 A2 849 809 0.00      
16 A2 397 378 0.00      
17 A2 44 42 0.00      
18 B1 963 918 0.10      
19 B1 931 887 3.90      
20 B1 800 763 17.15      
21 B1 712 678 74.71      
22 B1 610 582 0.00      
23 B1 430 410 0.86      
24 B1 168 160 0.63      
25 B2 3252 3099 1.32      
26 B2 3221 3070 6.39      
27 B2 1736 1655 119.71      
28 B2 1645 1568 15.22      
29 B2 1484 1415 0.39      
30 B2 1475 1406 7.21      
31 B2 1323 1261 0.24      
32 B2 1175 1120 0.00      
33 B2 1095 1044 6.25      
34 B2 612 583 0.01      
35 B2 524 499 0.50      
36 B2 258 246 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 22609.5 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 21544.6 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 MP2/aug-cc-pVTZ
ABC
0.13250 0.04310 0.03252

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.242
C2 0.000 1.219 -0.424
C3 0.000 1.208 -1.815
C4 0.000 0.000 -2.512
C5 0.000 -1.208 -1.815
C6 0.000 -1.219 -0.424
N7 0.000 0.000 1.711
O8 0.000 -1.091 2.283
O9 0.000 1.091 2.283
H10 0.000 2.138 0.143
H11 0.000 2.145 -2.355
H12 0.000 0.000 -3.593
H13 0.000 -2.145 -2.355
H14 0.000 -2.138 0.143

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 O9 H10 H11 H12 H13 H14
C11.38872.38552.75392.38551.38871.46872.31442.31442.14023.36813.83543.36812.1402
C21.38871.39192.41812.79722.43772.45773.55822.70971.07942.14213.39623.87873.4041
C32.38551.39191.39412.41512.79723.72704.69894.10022.16761.08152.14943.39533.8762
C42.75392.41811.39411.39412.41814.22264.91764.91763.40832.15031.08152.15033.4083
C52.38552.79722.41511.39411.39193.72704.10024.69893.87623.39532.14941.08152.1676
C61.38872.43772.79722.41811.39192.45772.70973.55823.40413.87873.39622.14211.0794
N71.46872.45773.72704.22263.72702.45771.23191.23192.65134.59685.30414.59682.6513
O82.31443.55824.69894.91764.10022.70971.23192.18153.87395.65535.97704.75662.3831
O92.31442.70974.10024.91764.69893.55821.23192.18152.38314.75665.97705.65533.8739
H102.14021.07942.16763.40833.87623.40412.65133.87392.38312.49774.30444.95774.2758
H113.36812.14211.08152.15033.39533.87874.59685.65534.75662.49772.47644.28924.9577
H123.83543.39622.14941.08152.14943.39625.30415.97705.97704.30442.47642.47644.3044
H133.36813.87873.39532.15031.08152.14214.59684.75665.65534.95774.28922.47642.4977
H142.14023.40413.87623.40832.16761.07942.65132.38313.87394.27584.95774.30442.4977

picture of Nitrobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.167 C1 C2 H10 119.740
C1 C6 C5 118.167 C1 C6 H14 119.740
C1 N7 O8 117.695 C1 N7 O9 117.695
C2 C1 C6 122.735 C2 C1 N7 118.632
C2 C3 C4 120.446 C2 C3 H11 119.482
C3 C2 H10 122.093 C3 C4 C5 120.038
C3 C4 H12 119.981 C4 C3 H11 120.072
C4 C5 C6 120.446 C4 C5 H13 120.072
C5 C4 H12 119.981 C5 C6 H14 122.093
C6 C1 N7 118.632 C6 C5 H13 119.482
O8 N7 O9 124.609
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability