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All results from a given calculation for C6H5NO (nitrosobenzene)

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G
 hartrees
Energy at 0K-359.116096
Energy at 298.15K 
HF Energy-359.116096
Nuclear repulsion energy323.419630
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 PBE1PBE/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' 3258 3129 5.78      
2 A' 3250 3121 3.42      
3 A' 3239 3110 3.75      
4 A' 3231 3103 4.32      
5 A' 3219 3092 0.33      
6 A' 1651 1585 6.02      
7 A' 1642 1577 9.51      
8 A' 1535 1475 7.34      
9 A' 1519 1459 16.18      
10 A' 1387 1332 13.68      
11 A' 1374 1319 16.96      
12 A' 1356 1302 55.42      
13 A' 1231 1183 0.87      
14 A' 1230 1181 1.58      
15 A' 1133 1088 126.90      
16 A' 1116 1071 12.08      
17 A' 1056 1014 9.43      
18 A' 1041 1000 0.29      
19 A' 818 786 34.60      
20 A' 682 655 12.65      
21 A' 650 624 0.02      
22 A' 457 439 0.42      
23 A' 262 252 2.76      
24 A" 1082 1039 2.67      
25 A" 1058 1016 0.00      
26 A" 1013 973 7.61      
27 A" 904 868 0.00      
28 A" 817 785 50.66      
29 A" 735 706 60.31      
30 A" 499 479 4.69      
31 A" 436 419 0.03      
32 A" 261 251 0.06      
33 A" 137 132 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 21638.5 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 20781.6 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 PBE1PBE/3-21G
ABC
0.17456 0.05485 0.04174

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.604 0.000
C2 -1.023 -0.345 0.000
C3 -0.705 -1.694 0.000
C4 0.638 -2.091 0.000
C5 1.659 -1.140 0.000
C6 1.337 0.214 0.000
N7 -0.247 2.031 0.000
O8 -1.482 2.315 0.000
H9 -2.042 0.021 0.000
H10 -1.491 -2.441 0.000
H11 0.886 -3.147 0.000
H12 2.696 -1.454 0.000
H13 2.100 0.984 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 H9 H10 H11 H12 H13
C11.39552.40382.76982.40701.39281.44792.26342.12433.39043.85453.39222.1341
C21.39551.38622.41012.79742.42522.49942.69911.08282.14753.39073.88123.3939
C32.40381.38621.40022.42772.79433.75304.08352.17461.08422.15443.40923.8775
C42.76982.41011.40021.39542.40854.21604.88953.41222.15721.08472.15433.4044
C52.40702.79742.42771.39541.39143.69954.66913.87903.40772.15091.08382.1686
C61.39282.42522.79432.40851.39142.41053.51583.38493.87843.39102.15181.0838
N71.44792.49943.75304.21603.69952.41051.26732.69564.64155.30054.56172.5702
O82.26342.69914.08354.88954.66913.51581.26732.36194.75575.95325.62713.8216
H92.12431.08282.17463.41223.87903.38492.69562.36192.52234.31374.96284.2530
H103.39042.14751.08422.15723.40773.87844.64154.75572.52232.47934.30144.9617
H113.85453.39072.15441.08472.15093.39105.30055.95324.31372.47932.47834.3052
H123.39223.88123.40922.15431.08382.15184.56175.62714.96284.30142.47832.5095
H132.13413.39393.87753.40442.16861.08382.57023.82164.25304.96174.30522.5095

picture of nitrosobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.572 C1 C2 H9 117.435
C1 C6 C5 119.661 C1 C6 H13 118.484
C1 N7 O8 112.764 C2 C1 C6 120.870
C2 C1 N7 123.033 C2 C3 C4 119.755
C2 C3 H10 120.261 C3 C2 H9 122.993
C3 C4 C5 120.547 C3 C4 H11 119.688
C4 C3 H10 119.984 C4 C5 C6 119.596
C4 C5 H12 120.152 C5 C4 H11 119.765
C5 C6 H13 121.856 C6 C1 N7 116.098
C6 C5 H12 120.252
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.147      
2 C -0.178      
3 C -0.229      
4 C -0.203      
5 C -0.228      
6 C -0.172      
7 N -0.093      
8 O -0.272      
9 H 0.256      
10 H 0.240      
11 H 0.240      
12 H 0.239      
13 H 0.253      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.336 -3.509 0.000 3.755
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.088 2.676 0.000
y 2.676 -47.326 0.000
z 0.000 0.000 -48.380
Traceless
 xyz
x 6.766 2.676 0.000
y 2.676 -2.593 0.000
z 0.000 0.000 -4.173
Polar
3z2-r2-8.346
x2-y26.239
xy2.676
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.521 -1.755 0.000
y -1.755 13.379 0.000
z 0.000 0.000 2.750


<r2> (average value of r2) Å2
<r2> 249.390
(<r2>)1/2 15.792