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: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-359.427779
Energy at 298.15K 
HF Energy-359.427779
Nuclear repulsion energy327.521435
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 HF/6-311G**
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' 3377 3068 2.74 85.03 0.21 0.34
2 A' 3360 3053 9.98 180.53 0.15 0.26
3 A' 3349 3043 17.51 58.99 0.29 0.45
4 A' 3340 3035 10.34 105.87 0.72 0.84
5 A' 3326 3022 0.63 49.54 0.75 0.86
6 A' 1928 1752 195.72 83.50 0.31 0.47
7 A' 1787 1623 3.12 43.31 0.48 0.65
8 A' 1773 1611 45.19 69.48 0.52 0.68
9 A' 1639 1489 1.00 4.50 0.30 0.46
10 A' 1606 1459 17.42 2.01 0.51 0.68
11 A' 1449 1317 6.79 1.05 0.37 0.54
12 A' 1344 1221 12.70 0.20 0.71 0.83
13 A' 1296 1177 29.08 28.54 0.29 0.45
14 A' 1251 1137 55.50 36.38 0.19 0.32
15 A' 1220 1108 21.91 11.01 0.74 0.85
16 A' 1162 1056 0.84 0.79 0.65 0.79
17 A' 1109 1008 2.21 6.24 0.09 0.17
18 A' 1083 984 1.10 34.25 0.09 0.17
19 A' 900 817 21.33 7.67 0.35 0.52
20 A' 730 664 15.37 3.89 0.17 0.28
21 A' 670 609 0.04 7.14 0.75 0.86
22 A' 483 439 0.14 2.77 0.32 0.49
23 A' 284 258 2.62 2.51 0.46 0.63
24 A" 1130 1027 0.09 0.46 0.75 0.86
25 A" 1118 1015 0.01 0.12 0.75 0.86
26 A" 1072 974 5.59 0.51 0.75 0.86
27 A" 957 869 0.00 0.26 0.75 0.86
28 A" 854 776 69.10 0.56 0.75 0.86
29 A" 756 686 30.76 0.41 0.75 0.86
30 A" 523 476 4.07 0.43 0.75 0.86
31 A" 460 418 0.03 0.01 0.75 0.86
32 A" 274 249 0.02 3.47 0.75 0.86
33 A" 112 101 0.37 0.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22859.4 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 20767.8 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 HF/6-311G**
ABC
0.17923 0.05568 0.04248

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.593 0.000
C2 -1.050 -0.317 0.000
C3 -0.766 -1.666 0.000
C4 0.556 -2.100 0.000
C5 1.596 -1.189 0.000
C6 1.314 0.168 0.000
N7 -0.189 2.017 0.000
O8 -1.304 2.382 0.000
H9 -2.061 0.042 0.000
H10 -1.566 -2.383 0.000
H11 0.769 -3.154 0.000
H12 2.615 -1.529 0.000
H13 2.098 0.904 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 H9 H10 H11 H12 H13
C11.38942.38542.75042.39201.38131.43602.21332.13353.36333.82583.36782.1209
C21.38941.37862.39972.78542.41342.48712.71071.07282.12983.37043.85993.3761
C32.38541.37861.39112.40902.77323.72744.08332.14311.07482.13803.38333.8475
C42.75042.39971.39111.38272.39214.18404.85263.38162.14071.07542.13683.3766
C52.39202.78542.40901.38271.38603.66914.59963.85803.37982.13231.07462.1519
C61.38132.41342.77322.39211.38602.38283.42843.37773.84803.36722.13831.0746
N71.43602.48713.72744.18403.66912.38281.17262.72104.61035.25924.52072.5440
O82.21332.71074.08334.85264.59963.42841.17262.45984.77235.91165.53633.7091
H92.13351.07282.14313.38163.85803.37772.72102.45982.47474.26884.93254.2474
H103.36332.12981.07482.14073.37983.84804.61034.77232.47472.45924.26734.9223
H113.82583.37042.13801.07542.13233.36725.25925.91164.26882.45922.45944.2700
H123.36783.85993.38332.13681.07462.13834.52075.53634.93254.26732.45942.4869
H132.12093.37613.84753.37662.15191.07462.54403.70914.24744.92234.27002.4869

picture of nitrosobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.033 C1 C2 H9 119.558
C1 C6 C5 119.623 C1 C6 H13 118.912
C1 N7 O8 115.725 C2 C1 C6 121.158
C2 C1 N7 123.346 C2 C3 C4 120.091
C2 C3 H10 119.973 C3 C2 H9 121.408
C3 C4 C5 120.562 C3 C4 H11 119.634
C4 C3 H10 119.935 C4 C5 C6 119.532
C4 C5 H12 120.304 C5 C4 H11 119.804
C5 C6 H13 121.465 C6 C1 N7 115.497
C6 C5 H12 120.164
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.016      
2 C -0.006      
3 C -0.105      
4 C -0.069      
5 C -0.104      
6 C -0.025      
7 N 0.015      
8 O -0.272      
9 H 0.132      
10 H 0.110      
11 H 0.110      
12 H 0.109      
13 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.134 -3.291 0.000 3.481
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.894 2.650 0.000
y 2.650 -48.580 0.000
z 0.000 0.000 -48.506
Traceless
 xyz
x 6.649 2.650 0.000
y 2.650 -3.380 0.000
z 0.000 0.000 -3.269
Polar
3z2-r2-6.538
x2-y26.686
xy2.650
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.952 -1.378 0.000
y -1.378 13.386 0.000
z 0.000 0.000 4.676


<r2> (average value of r2) Å2
<r2> 246.065
(<r2>)1/2 15.686