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All results from a given calculation for C6H5NO2 (Nitrobenzene)

using model chemistry: B1B95/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/CEP-31G
 hartrees
Energy at 0K-78.449697
Energy at 298.15K-78.456753
Nuclear repulsion energy206.858720
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 B1B95/CEP-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 A1 3272 3133 8.39      
2 A1 3241 3104 17.12      
3 A1 3204 3068 0.93      
4 A1 1656 1586 11.52      
5 A1 1511 1446 3.62      
6 A1 1323 1266 261.22      
7 A1 1207 1156 7.43      
8 A1 1133 1085 18.91      
9 A1 1046 1001 3.31      
10 A1 996 953 0.15      
11 A1 813 778 20.40      
12 A1 662 634 16.54      
13 A1 396 379 1.86      
14 A2 1056 1011 0.00      
15 A2 906 867 0.00      
16 A2 411 393 0.00      
17 A2 64 62 0.00      
18 B1 1066 1021 0.50      
19 B1 1013 970 9.57      
20 B1 825 790 81.66      
21 B1 705 675 61.28      
22 B1 680 651 6.48      
23 B1 451 432 0.28      
24 B1 173 165 1.27      
25 B2 3270 3131 0.21      
26 B2 3225 3088 17.26      
27 B2 1676 1605 1.47      
28 B2 1526 1461 157.51      
29 B2 1478 1416 11.95      
30 B2 1427 1367 20.77      
31 B2 1346 1289 0.02      
32 B2 1189 1139 0.16      
33 B2 1116 1069 13.57      
34 B2 600 575 0.06      
35 B2 509 488 0.86      
36 B2 254 243 1.73      

Unscaled Zero Point Vibrational Energy (zpe) 22712.3 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 21747.0 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 B1B95/CEP-31G
ABC
0.12631 0.04163 0.03131

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.246
C2 0.000 1.245 -0.431
C3 0.000 1.233 -1.847
C4 0.000 0.000 -2.553
C5 0.000 -1.233 -1.847
C6 0.000 -1.245 -0.431
N7 0.000 0.000 1.726
O8 0.000 -1.128 2.328
O9 0.000 1.128 2.328
H10 0.000 2.173 0.137
H11 0.000 2.178 -2.393
H12 0.000 0.000 -3.645
H13 0.000 -2.178 -2.393
H14 0.000 -2.173 0.137

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 O9 H10 H11 H12 H13 H14
C11.41672.42902.79912.42901.41671.48082.36882.36882.17533.42123.89083.42122.1753
C21.41671.41602.46022.85372.48912.49083.63942.76211.08842.17233.44653.94473.4641
C32.42901.41601.42112.46622.85373.78034.79704.17692.19571.09102.18023.45443.9417
C42.79912.46021.42111.42112.46024.27995.01065.01063.45852.18381.09172.18383.4585
C52.42902.85372.46621.42111.41603.78034.17694.79703.94173.45442.18021.09102.1957
C61.41672.48912.85372.46021.41602.49082.76213.63943.46413.94473.44652.17231.0884
N71.48082.49083.78034.27993.78032.49081.27881.27882.69174.65955.37164.65952.6917
O82.36883.63944.79705.01064.17692.76211.27882.25633.96185.76376.07924.83652.4273
O92.36882.76214.17695.01064.79703.63941.27882.25632.42734.83656.07925.76373.9618
H102.17531.08842.19573.45853.94173.46412.69173.96182.42732.53014.36215.03284.3453
H113.42122.17231.09102.18383.45443.94474.65955.76374.83652.53012.51234.35595.0328
H123.89083.44652.18021.09172.18023.44655.37166.07926.07924.36212.51232.51234.3621
H133.42123.94473.45442.18381.09102.17234.65954.83655.76375.03284.35592.51232.5301
H142.17533.46413.94173.45852.19571.08842.69172.42733.96184.34535.03284.36212.5301

picture of Nitrobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.077 C1 C2 H10 119.967
C1 C6 C5 118.077 C1 C6 H14 119.967
C1 N7 O8 118.086 C1 N7 O9 118.086
C2 C1 C6 122.922 C2 C1 N7 118.539
C2 C3 C4 120.266 C2 C3 H11 119.545
C3 C2 H10 121.955 C3 C4 C5 120.391
C3 C4 H12 119.804 C4 C3 H11 120.189
C4 C5 C6 120.266 C4 C5 H13 120.189
C5 C4 H12 119.804 C5 C6 H14 121.955
C6 C1 N7 118.539 C6 C5 H13 119.545
O8 N7 O9 123.828
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.023      
2 C -0.210      
3 C -0.294      
4 C -0.219      
5 C -0.294      
6 C -0.210      
7 N 0.000      
8 O -0.122      
9 O -0.122      
10 H 0.325      
11 H 0.282      
12 H 0.276      
13 H 0.282      
14 H 0.325      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -5.477 5.477
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -52.776 0.000 0.000
y 0.000 -47.399 0.000
z 0.000 0.000 -55.801
Traceless
 xyz
x -1.176 0.000 0.000
y 0.000 6.890 0.000
z 0.000 0.000 -5.714
Polar
3z2-r2-11.427
x2-y2-5.377
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.279 0.000 0.000
y 0.000 13.273 0.000
z 0.000 0.000 15.628


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000