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All results from a given calculation for C6H5NO (nitrosobenzene)

using model chemistry: CISD/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 CISD/3-21G
 hartrees
Energy at 0K-357.955023
Energy at 298.15K 
HF Energy-357.318506
Nuclear repulsion energy323.503235
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 CISD/3-21G
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' 3323 3128 2.74      
2 A' 3306 3112 5.75      
3 A' 3294 3101 8.40      
4 A' 3285 3093 5.66      
5 A' 3273 3081 0.30      
6 A' 1698 1598 1.22      
7 A' 1690 1591 6.64      
8 A' 1593 1500 8.87      
9 A' 1570 1478 12.72      
10 A' 1464 1378 33.59      
11 A' 1421 1338 19.11      
12 A' 1327 1249 6.87      
13 A' 1274 1200 0.11      
14 A' 1237 1164 6.97      
15 A' 1177 1108 68.80      
16 A' 1149 1081 3.28      
17 A' 1089 1025 6.99      
18 A' 1065 1003 0.28      
19 A' 831 782 25.01      
20 A' 701 659 13.36      
21 A' 676 636 0.00      
22 A' 467 440 0.21      
23 A' 273 257 2.60      
24 A" 1070 1007 1.31      
25 A" 1049 987 0.54      
26 A" 1025 965 8.54      
27 A" 931 876 0.01      
28 A" 827 779 77.92      
29 A" 739 695 31.15      
30 A" 512 482 4.08      
31 A" 450 424 0.00      
32 A" 264 248 0.09      
33 A" 125 118 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 22086.3 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 20789.9 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 CISD/3-21G
ABC
0.17545 0.05458 0.04163

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.598 0.000
C2 -1.025 -0.345 0.000
C3 -0.707 -1.696 0.000
C4 0.633 -2.097 0.000
C5 1.653 -1.147 0.000
C6 1.333 0.209 0.000
N7 -0.247 2.041 0.000
O8 -1.465 2.332 0.000
H9 -2.044 0.004 0.000
H10 -1.492 -2.436 0.000
H11 0.878 -3.149 0.000
H12 2.686 -1.459 0.000
H13 2.099 0.969 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 H9 H10 H11 H12 H13
C11.39282.40012.76812.40341.38821.46402.27032.12903.38123.84813.38322.1314
C21.39281.38792.41232.79552.42182.50962.71311.07732.14283.38863.87473.3889
C32.40011.38791.39852.42242.79023.76494.09882.16291.07952.14983.40083.8691
C42.76812.41231.39851.39362.40934.23034.90093.40322.15221.07992.14963.3979
C52.40342.79552.42241.39361.39293.71094.67183.87223.39902.14651.07932.1621
C61.38822.42182.79022.40931.39292.41903.51223.38323.86973.38802.14791.0793
N71.46402.50963.76494.23033.71092.41901.25252.71694.64725.31014.56632.5791
O82.27032.71314.09884.90094.67183.51221.25252.39954.76865.96075.62183.8158
H92.12901.07732.16293.40323.87223.38322.71692.39952.50174.29864.95144.2542
H103.38122.14281.07952.15223.39903.86974.64724.76862.50172.47494.29094.9486
H113.84813.38862.14981.07992.14653.38805.31015.96074.29862.47492.47464.2945
H123.38323.87473.40082.14961.07932.14794.56635.62184.95144.29092.47462.4978
H132.13143.38893.86913.39792.16211.07932.57913.81584.25424.94864.29452.4978

picture of nitrosobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.339 C1 C2 H9 118.513
C1 C6 C5 119.576 C1 C6 H13 118.954
C1 N7 O8 113.155 C2 C1 C6 121.112
C2 C1 N7 122.900 C2 C3 C4 119.931
C2 C3 H10 120.040 C3 C2 H9 122.148
C3 C4 C5 120.365 C3 C4 H11 119.769
C4 C3 H10 120.028 C4 C5 C6 119.678
C4 C5 H12 120.217 C5 C4 H11 119.867
C5 C6 H13 121.470 C6 C1 N7 115.988
C6 C5 H12 120.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability