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 C6H5NO2 (Nitrobenzene)

using model chemistry: TPSSh/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/6-31G*
 hartrees
Energy at 0K-436.775744
Energy at 298.15K-436.782761
HF Energy-436.775744
Nuclear repulsion energy411.411886
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 TPSSh/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 A1 3250 3118 3.23      
2 A1 3219 3089 17.50      
3 A1 3196 3066 0.98      
4 A1 1641 1575 4.06      
5 A1 1523 1461 7.34      
6 A1 1381 1325 274.01      
7 A1 1204 1155 3.17      
8 A1 1122 1077 28.77      
9 A1 1046 1004 3.66      
10 A1 1015 974 0.19      
11 A1 852 817 31.10      
12 A1 684 656 11.34      
13 A1 392 376 1.43      
14 A2 986 946 0.00      
15 A2 858 824 0.00      
16 A2 414 398 0.00      
17 A2 63 60 0.00      
18 B1 1009 968 0.24      
19 B1 960 921 3.73      
20 B1 803 770 14.93      
21 B1 712 683 69.82      
22 B1 686 658 3.29      
23 B1 443 425 0.09      
24 B1 170 163 1.05      
25 B2 3250 3118 0.03      
26 B2 3210 3079 15.89      
27 B2 1669 1601 30.54      
28 B2 1611 1545 170.53      
29 B2 1502 1441 0.30      
30 B2 1386 1330 9.67      
31 B2 1343 1288 0.99      
32 B2 1194 1146 0.15      
33 B2 1104 1059 7.96      
34 B2 614 589 0.04      
35 B2 522 501 1.02      
36 B2 252 241 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 22642.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 21723.1 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 TPSSh/6-31G*
ABC
0.13153 0.04285 0.03232

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.247
C2 0.000 1.222 -0.427
C3 0.000 1.214 -1.823
C4 0.000 0.000 -2.520
C5 0.000 -1.214 -1.823
C6 0.000 -1.222 -0.427
N7 0.000 0.000 1.728
O8 0.000 -1.092 2.288
O9 0.000 1.092 2.288
H10 0.000 2.146 0.139
H11 0.000 2.155 -2.365
H12 0.000 0.000 -3.607
H13 0.000 -2.155 -2.365
H14 0.000 -2.146 0.139

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 O9 H10 H11 H12 H13 H14
C11.39522.40022.76752.40021.39521.48072.31412.31412.14823.38673.85413.38672.1482
C21.39521.39642.42372.80742.44312.47703.56652.71771.08372.15153.40653.89343.4143
C32.40021.39641.39982.42792.80743.75304.71344.11282.17251.08602.15753.41233.8907
C42.76752.42371.39981.39982.42374.24834.93034.93033.41712.16051.08662.16053.4171
C52.40022.80742.42791.39981.39643.75304.11284.71343.89073.41232.15751.08602.1725
C61.39522.44312.80742.42371.39642.47702.71773.56653.41433.89343.40652.15151.0837
N71.48072.47703.75304.24833.75302.47701.22671.22672.66974.62605.33494.62602.6697
O82.31413.56654.71344.93034.11282.71771.22672.18313.88515.67375.99484.77312.3930
O92.31412.71774.11284.93034.71343.56651.22672.18312.39304.77315.99485.67373.8851
H102.14821.08372.17253.41713.89073.41432.66973.88512.39302.50474.31714.97674.2910
H113.38672.15151.08602.16053.41233.89344.62605.67374.77312.50472.48704.31004.9767
H123.85413.40652.15751.08662.15753.40655.33495.99485.99484.31712.48702.48704.3171
H133.38673.89343.41232.16051.08602.15154.62604.77315.67374.97674.31002.48702.5047
H142.14823.41433.89073.41712.17251.08372.66972.39303.88514.29104.97674.31712.5047

picture of Nitrobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.582 C1 C2 H10 119.606
C1 C6 C5 118.582 C1 C6 H14 119.606
C1 N7 O8 117.149 C1 N7 O9 117.149
C2 C1 C6 122.211 C2 C1 N7 118.894
C2 C3 C4 120.174 C2 C3 H11 119.632
C3 C2 H10 121.812 C3 C4 C5 120.276
C3 C4 H12 119.862 C4 C3 H11 120.194
C4 C5 C6 120.174 C4 C5 H13 120.194
C5 C4 H12 119.862 C5 C6 H14 121.812
C6 C1 N7 118.894 C6 C5 H13 119.632
O8 N7 O9 125.703
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.251      
2 C -0.165      
3 C -0.172      
4 C -0.135      
5 C -0.172      
6 C -0.165      
7 N 0.379      
8 O -0.390      
9 O -0.390      
10 H 0.213      
11 H 0.179      
12 H 0.176      
13 H 0.179      
14 H 0.213      


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 -4.562 4.562
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.939 0.000 0.000
y 0.000 12.780 0.000
z 0.000 0.000 15.270


<r2> (average value of r2) Å2
<r2> 313.841
(<r2>)1/2 17.716