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All results from a given calculation for C2H5NO3 (Nitric acid, ethyl ester)

using model chemistry: MP2=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-358.038443
Energy at 298.15K-358.046122
HF Energy-357.299328
Nuclear repulsion energy242.652984
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=FULL/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' 3163 3006 16.04      
2 A' 3100 2945 8.45      
3 A' 3078 2924 12.83      
4 A' 1787 1698 56.29      
5 A' 1587 1508 4.46      
6 A' 1572 1493 7.15      
7 A' 1492 1418 7.54      
8 A' 1433 1362 2.69      
9 A' 1176 1117 123.14      
10 A' 1158 1100 107.37      
11 A' 1041 989 38.59      
12 A' 901 856 53.99      
13 A' 783 744 288.83      
14 A' 667 634 62.22      
15 A' 523 497 0.09      
16 A' 355 337 0.77      
17 A' 213 202 0.95      
18 A" 3187 3028 28.86      
19 A" 3159 3001 8.07      
20 A" 1560 1482 7.05      
21 A" 1322 1256 0.04      
22 A" 1208 1147 5.03      
23 A" 867 823 0.72      
24 A" 680 646 8.82      
25 A" 252 239 0.79      
26 A" 112 106 3.16      
27 A" 86 82 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 18229.1 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 17319.5 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=FULL/6-31G
ABC
0.30824 0.06916 0.05773

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.128 -0.364 0.000
O2 0.000 0.602 0.000
O3 2.253 0.201 0.000
O4 0.842 -1.596 0.000
C5 -1.340 -0.067 0.000
C6 -2.335 1.093 0.000
H7 -1.423 -0.697 0.893
H8 -1.423 -0.697 -0.893
H9 -3.359 0.694 0.000
H10 -2.201 1.717 0.891
H11 -2.201 1.717 -0.891

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.48511.25911.26432.48523.75672.72322.72324.60974.02544.0254
O21.48512.28832.35351.49742.38592.12392.12393.36002.62302.6230
O31.25912.28832.28463.60254.67363.88823.88825.63334.78814.7881
O41.26432.35352.28462.66374.16172.59522.59524.78434.58524.5852
C52.48521.49743.60252.66371.52841.09611.09612.15792.17202.1720
C63.75672.38594.67364.16171.52842.19842.19841.09881.09591.0959
H72.72322.12393.88822.59521.09612.19841.78582.54562.53613.1007
H82.72322.12393.88822.59521.09612.19841.78582.54563.10072.5361
H94.60973.36005.63334.78432.15791.09882.54562.54561.78341.7834
H104.02542.62304.78814.58522.17201.09592.53613.10071.78341.7821
H114.02542.62304.78814.58522.17201.09593.10072.53611.78341.7821

picture of Nitric acid, ethyl ester state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 C5 112.870 O2 N1 O3 112.735
O2 N1 O4 117.517 O2 C5 C6 104.086
O2 C5 H7 108.971 O2 C5 H8 108.971
O3 N1 O4 129.748 C5 C6 H9 109.354
C5 C6 H10 110.633 C5 C6 H11 110.633
C6 C5 H7 112.749 C6 C5 H8 112.749
H7 C5 H8 109.108 H9 C6 H10 108.691
H9 C6 H11 108.691 H10 C6 H11 108.791
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability