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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-359.144573
Energy at 298.15K-359.152250
HF Energy-359.144573
Nuclear repulsion energy248.180136
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 PBEPBE/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' 3086 3043 12.02      
2 A' 3002 2961 11.57      
3 A' 2990 2949 13.53      
4 A' 1726 1702 297.59      
5 A' 1481 1460 2.45      
6 A' 1462 1442 5.88      
7 A' 1378 1359 0.13      
8 A' 1353 1334 55.25      
9 A' 1285 1268 204.38      
10 A' 1113 1098 16.31      
11 A' 1017 1003 35.72      
12 A' 891 879 12.39      
13 A' 814 803 221.94      
14 A' 663 653 49.55      
15 A' 539 531 1.20      
16 A' 357 352 0.25      
17 A' 215 212 0.60      
18 A" 3093 3051 18.22      
19 A" 3038 2997 13.82      
20 A" 1449 1429 6.97      
21 A" 1243 1226 0.21      
22 A" 1141 1125 4.01      
23 A" 798 787 0.87      
24 A" 726 716 12.55      
25 A" 253 250 0.40      
26 A" 136 134 0.96      
27 A" 67 66 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 17657.4 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 17415.5 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 PBEPBE/6-31G**
ABC
0.32569 0.07194 0.06028

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.119 -0.338 0.000
O2 0.000 0.588 0.000
O3 2.190 0.235 0.000
O4 0.855 -1.532 0.000
C5 -1.285 -0.086 0.000
C6 -2.328 1.020 0.000
H7 -1.362 -0.729 0.893
H8 -1.362 -0.729 -0.893
H9 -3.334 0.571 0.000
H10 -2.232 1.656 0.894
H11 -2.232 1.656 -0.894

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.45271.21491.22302.41743.70552.66592.66594.54524.00064.0006
O21.45272.21872.28631.45082.36812.09472.09473.33412.63062.6306
O31.21492.21872.21503.49024.58653.78783.78785.53474.73034.7303
O41.22302.28632.21502.58334.08062.52162.52164.68794.52694.5269
C52.41741.45083.49022.58331.52051.10351.10352.15192.17422.1742
C63.70552.36814.58654.08061.52052.18922.18921.10141.10051.1005
H72.66592.09473.78782.52161.10352.18921.78592.52552.53863.1042
H82.66592.09473.78782.52161.10352.18921.78592.52553.10422.5386
H94.54523.33415.53474.68792.15191.10142.52552.52551.78541.7854
H104.00062.63064.73034.52692.17421.10052.53863.10421.78541.7871
H114.00062.63064.73034.52692.17421.10053.10422.53861.78541.7871

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 112.725 O2 N1 O3 112.242
O2 N1 O4 117.143 O2 C5 C6 105.663
O2 C5 H7 109.432 O2 C5 H8 109.432
O3 N1 O4 130.614 C5 C6 H9 109.276
C5 C6 H10 111.091 C5 C6 H11 111.091
C6 C5 H7 112.112 C6 C5 H8 112.112
H7 C5 H8 108.041 H9 C6 H10 108.361
H9 C6 H11 108.361 H10 C6 H11 108.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.684      
2 O -0.351      
3 O -0.326      
4 O -0.336      
5 C -0.000      
6 C -0.396      
7 H 0.143      
8 H 0.143      
9 H 0.139      
10 H 0.150      
11 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.089 0.219 0.000 3.097
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.528 -0.387 0.000
y -0.387 -37.035 0.000
z 0.000 0.000 -32.994
Traceless
 xyz
x 0.486 -0.387 0.000
y -0.387 -3.274 0.000
z 0.000 0.000 2.788
Polar
3z2-r25.576
x2-y22.507
xy-0.387
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.732 -0.369 0.000
y -0.369 6.365 0.000
z 0.000 0.000 4.342


<r2> (average value of r2) Å2
<r2> 181.143
(<r2>)1/2 13.459