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

using model chemistry: LSDA/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at LSDA/3-21G*
 hartrees
Energy at 0K-355.723035
Energy at 298.15K-355.730731
HF Energy-355.723035
Nuclear repulsion energy246.225309
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 LSDA/3-21G*
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' 3092 3036 4.65      
2 A' 3008 2954 4.70      
3 A' 2996 2942 5.11      
4 A' 1512 1485 71.76      
5 A' 1510 1482 58.69      
6 A' 1495 1468 50.62      
7 A' 1400 1375 21.70      
8 A' 1326 1302 1.72      
9 A' 1153 1132 149.97      
10 A' 1114 1094 69.72      
11 A' 1036 1017 50.78      
12 A' 901 885 23.02      
13 A' 815 800 135.06      
14 A' 666 654 5.98      
15 A' 510 501 0.03      
16 A' 374 367 2.85      
17 A' 221 217 0.35      
18 A" 3099 3043 8.52      
19 A" 3039 2985 8.81      
20 A" 1485 1458 13.81      
21 A" 1252 1229 0.33      
22 A" 1146 1125 4.73      
23 A" 831 816 4.85      
24 A" 676 664 11.82      
25 A" 255 251 0.43      
26 A" 146 143 1.34      
27 A" 74 73 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 17565.0 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 17248.8 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 LSDA/3-21G*
ABC
0.31596 0.07234 0.06022

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.121 -0.336 0.000
O2 0.000 0.651 0.000
O3 2.240 0.198 0.000
O4 0.766 -1.540 0.000
C5 -1.265 -0.081 0.000
C6 -2.317 1.000 0.000
H7 -1.325 -0.729 0.893
H8 -1.325 -0.729 -0.893
H9 -3.322 0.546 0.000
H10 -2.214 1.635 0.895
H11 -2.214 1.635 -0.895

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.49331.24011.25512.39933.68812.63262.63264.52973.97583.9758
O21.49332.28552.32111.46182.34322.11132.11133.32402.58302.5830
O31.24012.28552.27863.51634.62723.78993.78995.57334.76534.7653
O41.25512.32112.27862.50073.99462.41332.41334.58984.44574.4457
C52.39931.46183.51632.50071.50861.10481.10482.15082.15592.1559
C63.68812.34324.62723.99461.50862.18482.18481.10301.10221.1022
H72.63262.11133.78992.41331.10482.18481.78522.53282.52663.0950
H82.63262.11133.78992.41331.10482.18481.78522.53283.09502.5266
H94.52973.32405.57334.58982.15081.10302.53282.53281.79301.7930
H103.97582.58304.76534.44572.15591.10222.52663.09501.79301.7898
H113.97582.58304.76534.44572.15591.10223.09502.52661.79301.7898

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 108.558 O2 N1 O3 113.143
O2 N1 O4 114.966 O2 C5 C6 104.142
O2 C5 H7 109.914 O2 C5 H8 109.914
O3 N1 O4 131.890 C5 C6 H9 109.908
C5 C6 H10 110.363 C5 C6 H11 110.363
C6 C5 H7 112.526 C6 C5 H8 112.526
H7 C5 H8 107.785 H9 C6 H10 108.795
H9 C6 H11 108.795 H10 C6 H11 108.573
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.451      
2 O -0.274      
3 O -0.236      
4 O -0.243      
5 C -0.242      
6 C -0.663      
7 H 0.244      
8 H 0.244      
9 H 0.232      
10 H 0.243      
11 H 0.243      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.841 0.043 0.000 2.842
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.296 -0.587 0.000
y -0.587 -37.152 0.000
z 0.000 0.000 -33.038
Traceless
 xyz
x 0.799 -0.587 0.000
y -0.587 -3.485 0.000
z 0.000 0.000 2.686
Polar
3z2-r25.372
x2-y22.856
xy-0.587
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.335 -0.325 0.000
y -0.325 5.688 0.000
z 0.000 0.000 3.633


<r2> (average value of r2) Å2
<r2> 180.961
(<r2>)1/2 13.452