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All results from a given calculation for C6H5NO (nitrosobenzene)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-360.499959
Energy at 298.15K 
HF Energy-359.358548
Nuclear repulsion energy323.119701
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 MP2/6-31+G**
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' 3284 3089 6.39      
2 A' 3279 3085 7.53      
3 A' 3270 3076 6.26      
4 A' 3263 3069 4.63      
5 A' 3253 3060 0.33      
6 A' 1663 1564 1.07      
7 A' 1656 1557 8.52      
8 A' 1535 1444 5.82      
9 A' 1511 1421 6.73      
10 A' 1485 1397 6.16      
11 A' 1462 1375 83.36      
12 A' 1350 1270 7.92      
13 A' 1222 1150 31.70      
14 A' 1204 1132 0.68      
15 A' 1171 1101 104.17      
16 A' 1113 1047 3.74      
17 A' 1049 987 4.29      
18 A' 1016 956 1.53      
19 A' 839 789 29.27      
20 A' 677 637 7.21      
21 A' 620 584 0.03      
22 A' 449 422 0.90      
23 A' 261 245 1.57      
24 A" 915 861 0.01      
25 A" 903 849 0.77      
26 A" 881 829 0.85      
27 A" 829 780 0.07      
28 A" 729 686 109.10      
29 A" 425 399 1.88      
30 A" 387 364 0.00      
31 A" 332 312 0.00      
32 A" 227 214 0.38      
33 A" 79 74 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21168.8 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 19911.3 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 MP2/6-31+G**
ABC
0.17416 0.05460 0.04157

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.596 0.000
C2 -1.060 -0.322 0.000
C3 -0.761 -1.682 0.000
C4 0.573 -2.117 0.000
C5 1.620 -1.190 0.000
C6 1.335 0.178 0.000
N7 -0.177 2.028 0.000
O8 -1.365 2.397 0.000
H9 -2.080 0.039 0.000
H10 -1.563 -2.410 0.000
H11 0.793 -3.178 0.000
H12 2.648 -1.531 0.000
H13 2.118 0.926 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 H9 H10 H11 H12 H13
C11.40202.40252.77342.41121.39901.44262.26022.15313.38863.85653.39612.1432
C21.40201.39302.42692.81672.44602.51012.73631.08222.14833.40423.89933.4137
C32.40251.39301.40352.43162.80243.75614.12442.16871.08302.15653.41213.8850
C42.77342.42691.40351.39872.41794.21254.91333.41892.15651.08312.15563.4130
C52.41122.81672.43161.39871.39663.68524.66683.89853.40922.15361.08272.1737
C61.39902.44602.80242.41791.39662.38943.49553.41753.88533.39902.15441.0832
N71.44262.51013.75614.21253.68522.38941.24462.75254.64975.29534.54322.5452
O82.26022.73634.12444.91334.66683.49551.24462.46414.81175.97845.61543.7809
H92.15311.08222.16873.41893.89853.41752.75252.46412.50334.31294.98124.2902
H103.38862.14831.08302.15653.40923.88534.64974.81172.50332.47784.30164.9680
H113.85653.40422.15651.08312.15363.39905.29535.97844.31292.47782.48074.3128
H123.39613.89933.41212.15561.08272.15444.54325.61544.98124.30162.48072.5136
H132.14323.41373.88503.41302.17371.08322.54523.78094.29024.96804.31282.5136

picture of nitrosobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.532 C1 C2 H9 119.609
C1 C6 C5 119.194 C1 C6 H13 118.857
C1 N7 O8 114.311 C2 C1 C6 121.682
C2 C1 N7 123.864 C2 C3 C4 120.419
C2 C3 H10 119.847 C3 C2 H9 121.859
C3 C4 C5 120.405 C3 C4 H11 119.733
C4 C3 H10 119.734 C4 C5 C6 119.768
C4 C5 H12 120.085 C5 C4 H11 119.861
C5 C6 H13 121.949 C6 C1 N7 114.454
C6 C5 H12 120.147
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability