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All results from a given calculation for C6H5NO (nitrosobenzene)

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-359.956826
Energy at 298.15K 
HF Energy-359.179581
Nuclear repulsion energy318.840050
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 MP2/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3220 3081 13.01      
2 A' 3215 3076 11.38      
3 A' 3203 3065 10.78      
4 A' 3195 3057 5.94      
5 A' 3185 3047 0.35      
6 A' 1629 1559 1.92      
7 A' 1620 1550 11.22      
8 A' 1521 1455 0.78      
9 A' 1501 1436 9.61      
10 A' 1398 1337 6.24      
11 A' 1370 1311 0.56      
12 A' 1308 1252 26.67      
13 A' 1231 1177 0.89      
14 A' 1228 1175 0.74      
15 A' 1168 1117 81.66      
16 A' 1114 1066 2.28      
17 A' 1047 1001 5.12      
18 A' 1020 976 1.93      
19 A' 817 782 23.13      
20 A' 677 648 8.00      
21 A' 636 608 0.01      
22 A' 449 429 0.51      
23 A' 258 247 1.85      
24 A" 877 839 0.01      
25 A" 872 834 0.59      
26 A" 856 819 0.71      
27 A" 813 778 0.00      
28 A" 722 691 104.48      
29 A" 484 463 1.03      
30 A" 448 428 1.28      
31 A" 397 380 0.00      
32 A" 234 224 0.86      
33 A" 102 98 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 20905.2 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 20002.1 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 MP2/6-31G
ABC
0.17050 0.05303 0.04045

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.599 0.000
C2 -1.059 -0.337 0.000
C3 -0.750 -1.710 0.000
C4 0.600 -2.139 0.000
C5 1.648 -1.191 0.000
C6 1.349 0.187 0.000
N7 -0.188 2.053 0.000
O8 -1.426 2.424 0.000
H9 -2.091 0.016 0.000
H10 -1.554 -2.447 0.000
H11 0.830 -3.205 0.000
H12 2.686 -1.525 0.000
H13 2.132 0.946 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 H9 H10 H11 H12 H13
C11.41362.42792.80292.43341.41061.46582.31632.17033.41983.89353.42442.1604
C21.41361.40762.44972.83922.46462.54342.78541.08982.16773.43473.92943.4399
C32.42791.40761.41672.45382.82923.80454.18922.18531.09052.17563.44133.9196
C42.80292.44971.41671.41292.44334.26514.99283.44712.17571.09062.17453.4443
C52.43342.83922.45381.41291.41023.72784.74593.92873.43942.17321.09022.1913
C61.41062.46462.82922.44331.41022.41763.56483.44373.91983.43102.17211.0908
N71.46582.54343.80454.26513.72782.41761.29232.78694.70285.35544.58932.5711
O82.31632.78544.18924.99284.74593.56481.29232.49834.87356.06465.70143.8533
H92.17031.08982.18533.44713.92873.44372.78692.49832.52134.34815.01904.3240
H103.41982.16771.09052.17573.43943.91984.70284.87352.52132.50164.33895.0101
H113.89353.43472.17561.09062.17323.43105.35546.06464.34812.50162.50294.3500
H123.42443.92943.44132.17451.09022.17214.58935.70145.01904.33892.50292.5321
H132.16043.43993.91963.44432.19131.09082.57113.85334.32405.01014.35002.5321

picture of nitrosobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.770 C1 C2 H9 119.651
C1 C6 C5 119.242 C1 C6 H13 118.907
C1 N7 O8 114.091 C2 C1 C6 121.548
C2 C1 N7 124.078 C2 C3 C4 120.307
C2 C3 H10 119.858 C3 C2 H9 121.579
C3 C4 C5 120.265 C3 C4 H11 119.821
C4 C3 H10 119.834 C4 C5 C6 119.868
C4 C5 H12 120.060 C5 C4 H11 119.914
C5 C6 H13 121.850 C6 C1 N7 114.374
C6 C5 H12 120.072
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability