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All results from a given calculation for C6H5NO (nitrosobenzene)

using model chemistry: MP2=FULL/3-21G*

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=FULL/3-21G*
 hartrees
Energy at 0K-358.099419
Energy at 298.15K 
HF Energy-357.305002
Nuclear repulsion energy319.323964
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=FULL/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3238 3070 3.40      
2 A' 3225 3057 7.65      
3 A' 3213 3046 8.02      
4 A' 3205 3038 4.14      
5 A' 3195 3029 0.17      
6 A' 1601 1518 2.48      
7 A' 1593 1510 5.84      
8 A' 1523 1443 4.13      
9 A' 1503 1425 9.80      
10 A' 1375 1303 2.91      
11 A' 1339 1270 3.68      
12 A' 1239 1174 0.62      
13 A' 1235 1171 0.25      
14 A' 1195 1133 17.56      
15 A' 1128 1069 46.47      
16 A' 1104 1046 4.69      
17 A' 1045 990 9.67      
18 A' 1016 963 0.68      
19 A' 783 742 23.35      
20 A' 664 629 8.10      
21 A' 649 615 0.12      
22 A' 441 418 0.79      
23 A' 263 249 1.72      
24 A" 964 914 1.38      
25 A" 940 891 0.10      
26 A" 923 875 6.93      
27 A" 864 819 0.00      
28 A" 762 723 95.53      
29 A" 678 643 6.86      
30 A" 479 455 3.53      
31 A" 425 403 0.02      
32 A" 243 230 0.27      
33 A" 118 112 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 21081.5 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 19985.2 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=FULL/3-21G*
ABC
0.17091 0.05343 0.04071

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.603 0.000
C2 -1.026 -0.355 0.000
C3 -0.692 -1.716 0.000
C4 0.662 -2.112 0.000
C5 1.681 -1.143 0.000
C6 1.349 0.222 0.000
N7 -0.247 2.068 0.000
O8 -1.543 2.329 0.000
H9 -2.054 -0.011 0.000
H10 -1.477 -2.467 0.000
H11 0.917 -3.168 0.000
H12 2.724 -1.448 0.000
H13 2.114 0.994 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 H9 H10 H11 H12 H13
C11.40362.42002.79462.42381.40151.48532.31462.14353.40683.88103.40982.1495
C21.40361.40112.43592.81912.44362.54482.73321.08442.15953.41853.90533.4168
C32.42001.40111.41042.44142.81443.80964.13312.18231.08642.16733.42603.9004
C42.79462.43591.41041.40682.43334.27734.95773.43362.16791.08642.16613.4284
C52.42382.81912.44141.40681.40493.74504.73763.90293.42462.16481.08622.1798
C61.40152.44362.81442.43331.40492.43973.57733.41053.90083.41772.16361.0864
N71.48532.54483.80964.27733.74502.43971.32162.75394.69845.36364.60302.5936
O82.31462.73324.13314.95774.73763.57731.32162.39464.79616.02195.69803.8924
H92.14351.08442.18233.43363.90293.41052.75392.39462.52314.33524.98904.2868
H103.40682.15951.08642.16793.42463.90084.69844.79612.52312.49444.32224.9869
H113.88103.41852.16731.08642.16483.41775.36366.02194.33522.49442.49434.3305
H123.40983.90533.42602.16611.08622.16364.60305.69804.98904.32222.49432.5171
H132.14953.41683.90043.42842.17981.08642.59363.89244.28684.98694.33052.5171

picture of nitrosobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.278 C1 C2 H9 118.426
C1 C6 C5 119.457 C1 C6 H13 118.988
C1 N7 O8 110.969 C2 C1 C6 121.178
C2 C1 N7 123.478 C2 C3 C4 120.091
C2 C3 H10 119.957 C3 C2 H9 122.296
C3 C4 C5 120.136 C3 C4 H11 119.898
C4 C3 H10 119.952 C4 C5 C6 119.860
C4 C5 H12 120.107 C5 C4 H11 119.965
C5 C6 H13 121.555 C6 C1 N7 115.344
C6 C5 H12 120.033
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability