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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-357.368027
Energy at 298.15K-357.375732
HF Energy-357.368027
Nuclear repulsion energy244.944285
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 B3PW91/3-21G
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' 3152 3030 10.74      
2 A' 3099 2979 5.27      
3 A' 3077 2957 8.00      
4 A' 1568 1507 8.21      
5 A' 1556 1496 7.06      
6 A' 1461 1404 177.10      
7 A' 1458 1401 14.13      
8 A' 1388 1334 2.69      
9 A' 1156 1111 63.98      
10 A' 1127 1083 181.08      
11 A' 1016 976 53.02      
12 A' 908 873 53.47      
13 A' 834 802 111.77      
14 A' 664 638 3.69      
15 A' 512 492 0.83      
16 A' 367 353 3.00      
17 A' 218 210 0.36      
18 A" 3172 3049 22.93      
19 A" 3145 3023 1.80      
20 A" 1545 1485 10.21      
21 A" 1304 1253 0.19      
22 A" 1179 1133 5.03      
23 A" 858 825 2.75      
24 A" 676 650 14.73      
25 A" 249 239 0.50      
26 A" 128 123 1.84      
27 A" 80 77 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 17947.6 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 17251.2 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 B3PW91/3-21G
ABC
0.31374 0.07102 0.05921

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.125 -0.332 0.000
O2 0.000 0.631 0.000
O3 2.242 0.220 0.000
O4 0.814 -1.551 0.000
C5 -1.294 -0.094 0.000
C6 -2.340 1.014 0.000
H7 -1.358 -0.725 0.890
H8 -1.358 -0.725 -0.890
H9 -3.342 0.570 0.000
H10 -2.230 1.641 0.890
H11 -2.230 1.641 -0.890

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.48121.24591.25872.43103.71752.66712.66714.55693.99253.9925
O21.48122.27952.32941.48372.37122.11562.11563.34212.60452.6045
O31.24592.27952.27593.55024.65043.82713.82715.59464.77594.7759
O41.25872.32942.27592.56234.06532.48842.48844.66534.49944.4994
C52.43101.48373.55022.56231.52391.09281.09282.15242.16282.1628
C63.71752.37124.65044.06531.52392.18632.18631.09561.09381.0938
H72.66712.11563.82712.48841.09282.18631.78082.53042.52093.0860
H82.66712.11563.82712.48841.09282.18631.78082.53043.08602.5209
H94.55693.34215.59464.66532.15241.09562.53042.53041.78151.7815
H103.99252.60454.77594.49942.16281.09382.52093.08601.78151.7793
H113.99252.60454.77594.49942.16281.09383.08602.52091.78151.7793

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 110.158 O2 N1 O3 113.129
O2 N1 O4 116.228 O2 C5 C6 104.061
O2 C5 H7 109.456 O2 C5 H8 109.456
O3 N1 O4 130.642 C5 C6 H9 109.423
C5 C6 H10 110.345 C5 C6 H11 110.345
C6 C5 H7 112.295 C6 C5 H8 112.295
H7 C5 H8 109.135 H9 C6 H10 108.919
H9 C6 H11 108.919 H10 C6 H11 108.858
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.515      
2 O -0.314      
3 O -0.264      
4 O -0.281      
5 C -0.211      
6 C -0.651      
7 H 0.247      
8 H 0.247      
9 H 0.229      
10 H 0.242      
11 H 0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.217 0.078 0.000 3.218
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.430 -0.435 0.000
y -0.435 -37.455 0.000
z 0.000 0.000 -32.959
Traceless
 xyz
x 0.777 -0.435 0.000
y -0.435 -3.760 0.000
z 0.000 0.000 2.983
Polar
3z2-r25.967
x2-y23.025
xy-0.435
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.043 -0.219 0.000
y -0.219 5.663 0.000
z 0.000 0.000 3.529


<r2> (average value of r2) Å2
<r2> 183.660
(<r2>)1/2 13.552