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All results from a given calculation for C6H5NO (nitrosobenzene)

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-360.477335
Energy at 298.15K 
HF Energy-359.347806
Nuclear repulsion energy323.561630
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 MP2/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3292 3083 4.45      
2 A' 3286 3077 8.55      
3 A' 3276 3068 7.94      
4 A' 3269 3062 5.47      
5 A' 3259 3052 0.34      
6 A' 1675 1569 1.29      
7 A' 1667 1561 8.55      
8 A' 1544 1446 6.24      
9 A' 1521 1424 7.00      
10 A' 1488 1393 10.84      
11 A' 1473 1380 52.44      
12 A' 1355 1269 6.91      
13 A' 1226 1148 27.13      
14 A' 1209 1132 0.44      
15 A' 1176 1101 86.62      
16 A' 1117 1046 3.71      
17 A' 1055 988 2.62      
18 A' 1021 956 1.07      
19 A' 842 789 25.81      
20 A' 680 637 6.18      
21 A' 623 584 0.01      
22 A' 450 421 0.67      
23 A' 263 246 1.96      
24 A" 932 873 0.00      
25 A" 923 864 0.22      
26 A" 904 846 1.96      
27 A" 851 797 0.00      
28 A" 746 699 78.15      
29 A" 495 464 0.03      
30 A" 447 418 0.88      
31 A" 397 371 0.00      
32 A" 238 223 0.46      
33 A" 97 91 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 21396.6 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 20037.9 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 MP2/6-31G**
ABC
0.17457 0.05479 0.04170

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.597 0.000
C2 -1.053 -0.325 0.000
C3 -0.751 -1.682 0.000
C4 0.583 -2.111 0.000
C5 1.624 -1.180 0.000
C6 1.334 0.183 0.000
N7 -0.188 2.028 0.000
O8 -1.381 2.380 0.000
H9 -2.072 0.039 0.000
H10 -1.550 -2.413 0.000
H11 0.806 -3.170 0.000
H12 2.653 -1.518 0.000
H13 2.111 0.937 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 H9 H10 H11 H12 H13
C11.39942.39972.76922.40751.39661.44382.25562.14553.38543.85183.39212.1387
C21.39941.39092.42192.81112.44092.50692.72431.08142.14663.39903.89323.4069
C32.39971.39091.40102.42832.79843.75314.11072.16941.08252.15393.40813.8802
C42.76922.42191.40101.39672.41404.20984.90103.41552.15401.08262.15333.4093
C52.40752.81112.42831.39671.39433.68494.65923.89213.40552.15111.08212.1723
C61.39662.44092.79842.41401.39432.39153.49253.40893.88083.39452.15221.0825
N71.44382.50693.75314.20983.68492.39151.24412.73964.64545.29224.54332.5453
O82.25562.72434.11074.90104.65923.49251.24412.44044.79585.96525.60913.7792
H92.14551.08142.16943.41553.89213.40892.73962.44042.50694.31044.97424.2785
H103.38542.14661.08252.15403.40553.88084.64544.79582.50692.47504.29714.9627
H113.85183.39902.15391.08262.15113.39455.29225.96524.31042.47502.47764.3089
H123.39213.89323.40812.15331.08212.15224.54335.60914.97424.29712.47762.5133
H132.13873.40693.88023.40932.17231.08252.54533.77924.27854.96274.30892.5133

picture of nitrosobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.640 C1 C2 H9 119.172
C1 C6 C5 119.228 C1 C6 H13 118.694
C1 N7 O8 113.895 C2 C1 C6 121.615
C2 C1 N7 123.696 C2 C3 C4 120.329
C2 C3 H10 119.918 C3 C2 H9 122.188
C3 C4 C5 120.444 C3 C4 H11 119.724
C4 C3 H10 119.753 C4 C5 C6 119.743
C4 C5 H12 120.074 C5 C4 H11 119.832
C5 C6 H13 122.078 C6 C1 N7 114.688
C6 C5 H12 120.183
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability