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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-359.375732
Energy at 298.15K-359.383630
HF Energy-359.375732
Nuclear repulsion energy251.401476
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 B3PW91/6-31G*
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' 3158 3021 14.18      
2 A' 3089 2955 11.26      
3 A' 3077 2944 11.39      
4 A' 1791 1714 363.51      
5 A' 1541 1474 2.49      
6 A' 1522 1456 5.73      
7 A' 1445 1383 1.99      
8 A' 1420 1358 77.96      
9 A' 1353 1294 207.67      
10 A' 1158 1108 18.24      
11 A' 1059 1013 62.13      
12 A' 946 905 96.47      
13 A' 899 860 165.43      
14 A' 724 693 12.38      
15 A' 579 554 1.18      
16 A' 381 364 1.22      
17 A' 227 217 0.46      
18 A" 3169 3032 24.80      
19 A" 3139 3003 6.37      
20 A" 1510 1445 7.73      
21 A" 1299 1243 0.42      
22 A" 1188 1137 4.82      
23 A" 829 793 0.22      
24 A" 781 747 17.30      
25 A" 260 249 0.41      
26 A" 136 130 0.96      
27 A" 82 79 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 18380.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 17584.9 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 B3PW91/6-31G*
ABC
0.33369 0.07374 0.06180

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.103 -0.303 0.000
O2 0.000 0.559 0.000
O3 2.154 0.283 0.000
O4 0.884 -1.494 0.000
C5 -1.274 -0.120 0.000
C6 -2.320 0.974 0.000
H7 -1.342 -0.756 0.888
H8 -1.342 -0.756 -0.888
H9 -3.317 0.520 0.000
H10 -2.229 1.606 0.888
H11 -2.229 1.606 -0.888

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.39931.20331.21122.38353.65352.64002.64004.49533.94133.9413
O21.39932.17162.23511.44312.35732.07792.07793.31682.61832.6183
O31.20332.17162.18413.45124.52753.75343.75345.47574.66394.6639
O41.21122.23512.18412.55824.04492.50732.50734.65854.48244.4824
C52.38351.44313.45122.55821.51411.09441.09442.14072.16342.1634
C63.65352.35734.52754.04491.51412.17722.17721.09491.09391.0939
H72.64002.07793.75342.50731.09442.17721.77532.51322.52343.0858
H82.64002.07793.75342.50731.09442.17721.77532.51323.08582.5234
H94.49533.31685.47574.65852.14071.09492.51322.51321.77521.7752
H103.94132.61834.66394.48242.16341.09392.52343.08581.77521.7769
H113.94132.61834.66394.48242.16341.09393.08582.52341.77521.7769

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 113.959 O2 N1 O3 112.884
O2 N1 O4 117.596 O2 C5 C6 105.691
O2 C5 H7 109.170 O2 C5 H8 109.170
O3 N1 O4 129.520 C5 C6 H9 109.219
C5 C6 H10 111.077 C5 C6 H11 111.077
C6 C5 H7 112.161 C6 C5 H8 112.161
H7 C5 H8 108.404 H9 C6 H10 108.387
H9 C6 H11 108.387 H10 C6 H11 108.614
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.766      
2 O -0.377      
3 O -0.363      
4 O -0.377      
5 C -0.088      
6 C -0.538      
7 H 0.197      
8 H 0.197      
9 H 0.189      
10 H 0.198      
11 H 0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.454 0.246 0.000 3.463
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.859 -0.170 0.000
y -0.170 -37.253 0.000
z 0.000 0.000 -32.741
Traceless
 xyz
x 0.138 -0.170 0.000
y -0.170 -3.453 0.000
z 0.000 0.000 3.315
Polar
3z2-r26.630
x2-y22.394
xy-0.170
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.997 -0.143 0.000
y -0.143 6.080 0.000
z 0.000 0.000 4.197


<r2> (average value of r2) Å2
<r2> 177.434
(<r2>)1/2 13.320