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 C6H5NO (nitrosobenzene)

using model chemistry: QCISD(T)=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-360.600735
Energy at 298.15K 
HF Energy-359.368562
Nuclear repulsion energy321.178461
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 QCISD(T)=FULL/cc-pVDZ
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' 3229 3097        
2 A' 3221 3089        
3 A' 3211 3079        
4 A' 3201 3070        
5 A' 3190 3059        
6 A' 1649 1581        
7 A' 1644 1577        
8 A' 1563 1499        
9 A' 1494 1433        
10 A' 1474 1413        
11 A' 1359 1303        
12 A' 1314 1261        
13 A' 1180 1132        
14 A' 1161 1114        
15 A' 1127 1081        
16 A' 1080 1035        
17 A' 1027 985        
18 A' 999 958        
19 A' 818 784        
20 A' 668 641        
21 A' 609 584        
22 A' 434 416        
23 A' 255 245        
24 A" 971 931        
25 A" 958 919        
26 A" 934 896        
27 A" 857 822        
28 A" 756 725        
29 A" 635 609        
30 A" 459 440        
31 A" 403 386        
32 A" 237 227        
33 A" 103 99        

Unscaled Zero Point Vibrational Energy (zpe) 21109.1 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 20243.6 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 QCISD(T)=FULL/cc-pVDZ
ABC
0.17215 0.05384 0.04101

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.604 0.000
C2 -1.060 -0.326 0.000
C3 -0.760 -1.698 0.000
C4 0.586 -2.131 0.000
C5 1.638 -1.193 0.000
C6 1.342 0.184 0.000
N7 -0.201 2.056 0.000
O8 -1.378 2.394 0.000
H9 -2.091 0.043 0.000
H10 -1.571 -2.436 0.000
H11 0.812 -3.204 0.000
H12 2.680 -1.533 0.000
H13 2.130 0.946 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 H9 H10 H11 H12 H13
C11.41072.42442.79722.43181.40581.46622.25912.16493.42243.89393.42792.1570
C21.41071.40412.44292.83412.45562.53302.73911.09502.17093.43333.93033.4345
C32.42441.40411.41462.45092.82163.79594.13862.19151.09652.17753.44463.9172
C42.79722.44291.41461.40912.43534.26094.93323.44902.17901.09672.17763.4426
C52.43182.83412.45091.40911.40893.73404.68683.92873.44152.17391.09622.1952
C61.40582.45562.82162.43531.40892.42603.50443.43563.91813.42942.17721.0962
N71.46622.53303.79594.26093.73402.42601.22442.76134.69705.35734.60282.5818
O82.25912.73914.13864.93324.68683.50441.22442.45684.83446.01165.64733.7949
H92.16491.09502.19153.44903.92873.43562.76132.45682.53344.35595.02484.3162
H103.42242.17091.09652.17903.44153.91814.69704.83442.53342.50404.34635.0137
H113.89393.43332.17751.09672.17393.42945.35736.01164.35592.50402.50654.3545
H123.42793.93033.44462.17761.09622.17724.60285.64735.02484.34632.50652.5395
H132.15703.43453.91723.44262.19521.09622.58183.79494.31625.01374.35452.5395

picture of nitrosobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.935 C1 C2 H9 119.004
C1 C6 C5 119.522 C1 C6 H13 118.582
C1 N7 O8 113.901 C2 C1 C6 121.351
C2 C1 N7 123.384 C2 C3 C4 120.157
C2 C3 H10 119.986 C3 C2 H9 122.061
C3 C4 C5 120.454 C3 C4 H11 119.709
C4 C3 H10 119.857 C4 C5 C6 119.580
C4 C5 H12 120.226 C5 C4 H11 119.837
C5 C6 H13 121.896 C6 C1 N7 115.265
C6 C5 H12 120.193
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability