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 C6H5NO (nitrosobenzene)

using model chemistry: MP2/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-360.556196
Energy at 298.15K 
HF Energy-359.384088
Nuclear repulsion energy321.446949
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/aug-cc-pVDZ
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' 3238 3105 7.70      
2 A' 3234 3102 5.12      
3 A' 3224 3092 4.57      
4 A' 3217 3085 3.79      
5 A' 3207 3075 0.26      
6 A' 1631 1564 1.03      
7 A' 1622 1555 6.25      
8 A' 1494 1433 14.69      
9 A' 1491 1430 12.31      
10 A' 1457 1398 10.45      
11 A' 1439 1380 67.04      
12 A' 1300 1247 6.18      
13 A' 1193 1144 47.70      
14 A' 1168 1120 0.49      
15 A' 1143 1096 81.08      
16 A' 1084 1040 4.20      
17 A' 1028 986 4.95      
18 A' 993 953 0.89      
19 A' 824 790 31.79      
20 A' 666 639 5.16      
21 A' 602 578 0.03      
22 A' 439 421 1.01      
23 A' 254 243 1.51      
24 A" 950 911 0.01      
25 A" 932 893 0.19      
26 A" 913 876 3.99      
27 A" 844 809 0.04      
28 A" 752 722 81.24      
29 A" 622 597 6.51      
30 A" 459 441 2.73      
31 A" 403 387 0.00      
32 A" 239 229 0.36      
33 A" 94 90 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21077.4 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 20213.3 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/aug-cc-pVDZ
ABC
0.17208 0.05408 0.04115

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.602 0.000
C2 -1.067 -0.320 0.000
C3 -0.770 -1.690 0.000
C4 0.572 -2.130 0.000
C5 1.627 -1.199 0.000
C6 1.342 0.178 0.000
N7 -0.177 2.041 0.000
O8 -1.362 2.407 0.000
H9 -2.097 0.048 0.000
H10 -1.581 -2.424 0.000
H11 0.792 -3.202 0.000
H12 2.665 -1.545 0.000
H13 2.132 0.934 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 H9 H10 H11 H12 H13
C11.41022.41792.79112.42681.40751.45082.26142.16863.41423.88513.42182.1582
C21.41021.40232.44232.83452.46062.52362.74291.09292.16623.42973.92803.4369
C32.41791.40231.41242.44752.82003.77874.14002.18641.09392.17363.43783.9134
C42.79112.44231.41241.40782.43324.23854.93223.44452.17331.09402.17283.4390
C52.42682.83452.44751.40781.40573.70884.68353.92713.43492.17061.09352.1920
C61.40752.46062.82002.43321.40572.40463.50433.44133.91393.42432.17201.0939
N71.45082.52363.77874.23853.70882.40461.23942.76754.68135.33224.57612.5614
O82.26142.74294.14004.93224.68353.50431.23942.47134.83646.00825.64193.7916
H92.16861.09292.18643.44453.92713.44132.76752.47132.52514.34785.02064.3210
H103.41422.16621.09392.17333.43493.91394.68134.83642.52512.49744.33605.0073
H113.88513.42972.17361.09402.17063.42435.33226.00824.34782.49742.50034.3481
H123.42183.92803.43782.17281.09352.17204.57615.64195.02064.33602.50032.5361
H132.15823.43693.91343.43902.19201.09392.56143.79164.32105.00734.34812.5361

picture of nitrosobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.564 C1 C2 H9 119.539
C1 C6 C5 119.225 C1 C6 H13 118.725
C1 N7 O8 114.181 C2 C1 C6 121.676
C2 C1 N7 123.782 C2 C3 C4 120.384
C2 C3 H10 119.895 C3 C2 H9 121.897
C3 C4 C5 120.422 C3 C4 H11 119.738
C4 C3 H10 119.721 C4 C5 C6 119.729
C4 C5 H12 120.086 C5 C4 H11 119.840
C5 C6 H13 122.050 C6 C1 N7 114.542
C6 C5 H12 120.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability