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All results from a given calculation for C6H5NO (nitrosobenzene)

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-357.320742
Energy at 298.15K 
HF Energy-357.320742
Nuclear repulsion energy326.389240
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/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' 3417 3094 2.47 75.37 0.17 0.29
2 A' 3397 3076 5.02 155.47 0.12 0.21
3 A' 3385 3065 10.24 48.87 0.24 0.39
4 A' 3376 3058 7.57 94.41 0.74 0.85
5 A' 3362 3045 0.61 49.61 0.75 0.85
6 A' 1770 1603 3.55 52.29 0.54 0.70
7 A' 1762 1596 3.34 13.01 0.74 0.85
8 A' 1662 1505 23.05 2.58 0.40 0.57
9 A' 1638 1483 26.20 20.94 0.31 0.47
10 A' 1588 1439 80.48 82.00 0.32 0.48
11 A' 1488 1348 10.89 3.07 0.37 0.54
12 A' 1370 1241 8.73 0.29 0.59 0.74
13 A' 1318 1194 0.23 2.68 0.75 0.85
14 A' 1266 1146 12.57 9.05 0.66 0.80
15 A' 1232 1115 73.67 61.06 0.24 0.38
16 A' 1188 1076 2.40 0.36 0.21 0.34
17 A' 1132 1025 6.46 1.61 0.18 0.31
18 A' 1103 999 0.16 35.74 0.12 0.21
19 A' 870 788 21.39 8.40 0.59 0.74
20 A' 728 659 19.90 3.56 0.27 0.43
21 A' 705 638 0.03 6.00 0.75 0.86
22 A' 492 445 0.07 2.81 0.31 0.47
23 A' 283 256 3.22 2.65 0.51 0.67
24 A" 1216 1101 1.88 1.48 0.75 0.86
25 A" 1193 1081 0.03 0.12 0.75 0.86
26 A" 1143 1035 10.29 2.02 0.75 0.86
27 A" 1011 915 0.00 4.64 0.75 0.86
28 A" 903 818 68.15 0.26 0.75 0.86
29 A" 805 729 56.73 0.75 0.75 0.86
30 A" 555 502 5.19 0.39 0.75 0.86
31 A" 481 435 0.01 0.09 0.75 0.86
32 A" 287 260 0.05 5.44 0.75 0.86
33 A" 132 120 0.34 0.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23127.8 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 20944.6 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 HF/3-21G
ABC
0.17871 0.05540 0.04229

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.595 0.000
C2 -1.024 -0.337 0.000
C3 -0.717 -1.681 0.000
C4 0.611 -2.087 0.000
C5 1.630 -1.151 0.000
C6 1.321 0.197 0.000
N7 -0.235 2.019 0.000
O8 -1.416 2.338 0.000
H9 -2.034 0.012 0.000
H10 -1.502 -2.410 0.000
H11 0.847 -3.132 0.000
H12 2.653 -1.468 0.000
H13 2.087 0.944 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 H9 H10 H11 H12 H13
C11.38452.38612.75092.38931.37961.44262.24572.11633.35933.82273.36122.1161
C21.38451.37842.39492.77642.40452.48362.70351.06872.12743.36373.84733.3643
C32.38611.37841.38872.40632.77073.73034.07912.14421.07112.13383.37723.8410
C42.75092.39491.38871.38382.39154.19184.86723.37632.13701.07182.13443.3717
C52.38932.77642.40631.38381.38323.67824.63223.84463.37532.13051.07092.1449
C61.37962.40452.77072.39151.38322.39603.47513.36003.84183.36282.13241.0706
N71.44262.48363.73034.19183.67822.39601.22312.69504.60575.26344.52782.5589
O82.24572.70354.07914.86724.63223.47511.22312.40744.74875.92015.57203.7703
H92.11631.06872.14423.37633.84463.36002.69502.40742.47914.26424.91554.2255
H103.35932.12741.07112.13703.37533.84184.60574.74872.47912.45694.26054.9121
H113.82273.36372.13381.07182.13053.36285.26345.92014.26422.45692.45674.2614
H123.36123.84733.37722.13441.07092.13244.52785.57204.91554.26052.45672.4779
H132.11613.36433.84103.37172.14491.07062.55893.77034.22554.91214.26142.4779

picture of nitrosobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.455 C1 C2 H9 118.673
C1 C6 C5 119.725 C1 C6 H13 118.916
C1 N7 O8 114.546 C2 C1 C6 120.897
C2 C1 N7 122.916 C2 C3 C4 119.875
C2 C3 H10 120.047 C3 C2 H9 121.872
C3 C4 C5 120.441 C3 C4 H11 119.728
C4 C3 H10 120.078 C4 C5 C6 119.608
C4 C5 H12 120.266 C5 C4 H11 119.831
C5 C6 H13 121.359 C6 C1 N7 116.187
C6 C5 H12 120.126
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.139      
2 C -0.188      
3 C -0.248      
4 C -0.216      
5 C -0.249      
6 C -0.180      
7 N -0.046      
8 O -0.345      
9 H 0.288      
10 H 0.256      
11 H 0.256      
12 H 0.255      
13 H 0.277      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.377 -3.505 0.000 3.766
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.126 3.179 0.000
y 3.179 -48.790 0.000
z 0.000 0.000 -49.155
Traceless
 xyz
x 6.846 3.179 0.000
y 3.179 -3.149 0.000
z 0.000 0.000 -3.697
Polar
3z2-r2-7.394
x2-y26.664
xy3.179
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.065 -1.493 0.000
y -1.493 12.048 0.000
z 0.000 0.000 2.576


<r2> (average value of r2) Å2
<r2> 247.119
(<r2>)1/2 15.720