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: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-361.547692
Energy at 298.15K 
HF Energy-361.547692
Nuclear repulsion energy323.863418
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 B3LYP/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' 3222 3096 4.86      
2 A' 3215 3089 10.72      
3 A' 3205 3080 11.33      
4 A' 3198 3073 8.52      
5 A' 3187 3062 0.63      
6 A' 1662 1597 9.18      
7 A' 1649 1584 3.17      
8 A' 1597 1534 171.36      
9 A' 1510 1451 8.58      
10 A' 1493 1435 32.51      
11 A' 1377 1323 13.43      
12 A' 1339 1286 7.18      
13 A' 1202 1155 16.84      
14 A' 1188 1141 0.88      
15 A' 1137 1092 137.28      
16 A' 1099 1056 4.93      
17 A' 1041 1000 3.70      
18 A' 1017 977 1.20      
19 A' 836 803 31.11      
20 A' 682 655 9.77      
21 A' 624 600 0.10      
22 A' 449 431 0.67      
23 A' 259 249 2.43      
24 A" 1016 976 0.18      
25 A" 997 958 0.04      
26 A" 963 925 3.41      
27 A" 870 836 0.00      
28 A" 780 750 45.54      
29 A" 695 668 16.49      
30 A" 475 457 0.86      
31 A" 421 405 0.00      
32 A" 251 241 0.38      
33 A" 120 116 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 21387.7 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 20549.3 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 B3LYP/6-31G**
ABC
0.17496 0.05473 0.04169

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.600 0.000
C2 -1.054 -0.326 0.000
C3 -0.759 -1.683 0.000
C4 0.576 -2.112 0.000
C5 1.622 -1.186 0.000
C6 1.333 0.178 0.000
N7 -0.193 2.028 0.000
O8 -1.361 2.389 0.000
H9 -2.072 0.048 0.000
H10 -1.562 -2.414 0.000
H11 0.798 -3.175 0.000
H12 2.652 -1.527 0.000
H13 2.115 0.931 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 H9 H10 H11 H12 H13
C11.40212.40522.77172.41191.39821.44142.24812.14393.39443.85783.39932.1404
C21.40211.38862.41772.81012.43912.50612.73181.08472.14973.39803.89553.4083
C32.40521.38861.40252.43232.79983.75364.11572.17211.08592.15683.41503.8847
C42.77172.41771.40251.39672.41124.21044.89963.41692.15891.08612.15683.4096
C52.41192.81012.43231.39671.39373.69064.65563.89413.41222.15291.08542.1735
C61.39822.43912.79982.41121.39372.39833.48523.40733.88563.39502.15541.0856
N71.44142.50613.75364.21043.69062.39831.22262.72964.64855.29644.55322.5548
O82.24812.73184.11574.89964.65563.48521.22262.44634.80745.96795.60703.7689
H92.14391.08472.17213.41693.89413.40732.72962.44632.51484.31544.97964.2785
H103.39442.14971.08592.15893.41223.88564.64854.80742.51482.47904.30614.9706
H113.85783.39802.15681.08612.15293.39505.29645.96794.31542.47902.48064.3119
H123.39933.89553.41502.15681.08542.15544.55325.60704.97964.30612.48062.5162
H132.14043.40833.88473.40962.17351.08562.55483.76894.27854.97064.31192.5162

picture of nitrosobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.052 C1 C2 H9 118.563
C1 C6 C5 119.515 C1 C6 H13 118.490
C1 N7 O8 114.852 C2 C1 C6 121.154
C2 C1 N7 123.599 C2 C3 C4 120.044
C2 C3 H10 120.134 C3 C2 H9 122.385
C3 C4 C5 120.668 C3 C4 H11 119.600
C4 C3 H10 119.822 C4 C5 C6 119.568
C4 C5 H12 120.156 C5 C4 H11 119.733
C5 C6 H13 121.995 C6 C1 N7 115.247
C6 C5 H12 120.276
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.179      
2 C -0.058      
3 C -0.099      
4 C -0.066      
5 C -0.097      
6 C -0.063      
7 N -0.049      
8 O -0.286      
9 H 0.119      
10 H 0.103      
11 H 0.102      
12 H 0.102      
13 H 0.113      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.189 -3.552 0.000 3.745
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.346 2.458 0.000
y 2.458 -48.009 0.000
z 0.000 0.000 -46.625
Traceless
 xyz
x 5.971 2.458 0.000
y 2.458 -4.023 0.000
z 0.000 0.000 -1.947
Polar
3z2-r2-3.894
x2-y26.663
xy2.458
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.187 -1.735 0.000
y -1.735 14.807 0.000
z 0.000 0.000 3.804


<r2> (average value of r2) Å2
<r2> 249.524
(<r2>)1/2 15.796