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All results from a given calculation for C6H5NO (nitrosobenzene)

using model chemistry: MP2/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-360.679091
Energy at 298.15K 
HF Energy-359.373937
Nuclear repulsion energy324.397340
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(2df,p)
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' 3263 3082 4.49      
2 A' 3259 3078 3.07      
3 A' 3249 3069 2.47      
4 A' 3243 3063 3.52      
5 A' 3232 3053 0.26      
6 A' 1646 1555 1.50      
7 A' 1635 1544 5.47      
8 A' 1527 1442 31.61      
9 A' 1496 1413 4.12      
10 A' 1477 1395 10.86      
11 A' 1472 1390 43.16      
12 A' 1327 1254 5.77      
13 A' 1211 1143 35.25      
14 A' 1188 1123 0.35      
15 A' 1157 1093 78.73      
16 A' 1098 1037 4.57      
17 A' 1041 983 3.30      
18 A' 1008 952 0.72      
19 A' 836 790 25.91      
20 A' 674 637 4.99      
21 A' 609 575 0.00      
22 A' 443 419 0.70      
23 A' 259 244 1.80      
24 A" 988 933 0.55      
25 A" 972 918 0.02      
26 A" 947 894 4.03      
27 A" 876 827 0.00      
28 A" 779 736 59.84      
29 A" 681 643 7.30      
30 A" 473 447 1.25      
31 A" 413 390 0.00      
32 A" 246 232 0.48      
33 A" 102 96 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21413.0 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 20224.6 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 MP2/6-31G(2df,p)
ABC
0.17525 0.05509 0.04192

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.596 0.000
C2 -1.052 -0.322 0.000
C3 -0.754 -1.678 0.000
C4 0.578 -2.107 0.000
C5 1.621 -1.179 0.000
C6 1.331 0.183 0.000
N7 -0.189 2.025 0.000
O8 -1.369 2.372 0.000
H9 -2.070 0.048 0.000
H10 -1.554 -2.409 0.000
H11 0.801 -3.167 0.000
H12 2.650 -1.518 0.000
H13 2.108 0.938 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 H9 H10 H11 H12 H13
C11.39632.39572.76362.40351.39361.44132.24282.14183.38273.84773.38962.1359
C21.39631.38902.41772.80712.43622.50002.71261.08302.14643.39623.89053.4025
C32.39571.38901.39922.42602.79443.74564.09712.17091.08382.15293.40693.8776
C42.76362.41771.39921.39502.40994.20194.88403.41432.15401.08402.15313.4075
C52.40352.80712.42601.39501.39243.67974.64233.88953.40462.15051.08352.1728
C61.39362.43622.79442.40991.39242.38833.47623.40413.87823.39192.15221.0839
N71.44132.50003.74564.20193.67972.38831.22972.72894.63865.28574.54002.5416
O82.24282.71264.09714.88404.64233.47621.22972.42824.78465.94975.59333.7614
H92.14181.08302.17093.41433.88953.40412.72892.42822.51004.31084.97304.2725
H103.38272.14641.08382.15403.40463.87824.63864.78462.51002.47474.29714.9614
H113.84773.39622.15291.08402.15053.39195.28575.94974.31082.47472.47724.3087
H123.38963.89053.40692.15311.08352.15224.54005.59334.97304.29712.47722.5153
H132.13593.40253.87763.40752.17281.08392.54163.76144.27254.96144.30872.5153

picture of nitrosobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.660 C1 C2 H9 118.973
C1 C6 C5 119.244 C1 C6 H13 118.576
C1 N7 O8 113.978 C2 C1 C6 121.674
C2 C1 N7 123.532 C2 C3 C4 120.251
C2 C3 H10 119.950 C3 C2 H9 122.366
C3 C4 C5 120.506 C3 C4 H11 119.686
C4 C3 H10 119.800 C4 C5 C6 119.665
C4 C5 H12 120.101 C5 C4 H11 119.808
C5 C6 H13 122.180 C6 C1 N7 114.794
C6 C5 H12 120.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability