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

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-70.500653
Energy at 298.15K-70.508885
HF Energy-70.500653
Nuclear repulsion energy142.604106
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 HF/CEP-121G*
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' 3282 2965 52.30      
2 A' 3269 2953 1.52      
3 A' 3203 2894 22.70      
4 A' 1834 1657 804.74      
5 A' 1658 1498 0.21      
6 A' 1629 1472 5.00      
7 A' 1588 1434 73.50      
8 A' 1552 1402 157.16      
9 A' 1498 1354 189.03      
10 A' 1238 1119 18.58      
11 A' 1172 1059 261.46      
12 A' 1090 984 14.11      
13 A' 989 893 3.61      
14 A' 810 732 2.73      
15 A' 630 569 18.87      
16 A' 415 375 7.37      
17 A' 247 224 0.56      
18 A" 3338 3016 41.22      
19 A" 3286 2969 18.67      
20 A" 1615 1459 5.40      
21 A" 1407 1271 1.81      
22 A" 1287 1162 4.89      
23 A" 893 806 16.39      
24 A" 873 789 9.73      
25 A" 266 240 0.57      
26 A" 127 114 0.78      
27 A" 107 97 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 19651.2 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 17752.9 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 HF/CEP-121G*
ABC
0.34266 0.07495 0.06294

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.091 -0.258 0.000
O2 0.000 0.519 0.000
O3 2.115 0.344 0.000
O4 0.938 -1.447 0.000
C5 -1.273 -0.173 0.000
C6 -2.328 0.924 0.000
H7 -1.329 -0.796 0.882
H8 -1.329 -0.796 -0.882
H9 -3.312 0.464 0.000
H10 -2.239 1.549 0.882
H11 -2.239 1.549 -0.882

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.33951.18821.19812.36553.61812.63152.63154.46203.89043.8904
O21.33952.12222.17761.44882.36352.06732.06733.31272.61792.6179
O31.18822.12222.14333.42724.48113.73393.73395.42864.60314.6031
O41.19812.17762.14332.55124.03572.51792.51794.65954.45474.4547
C52.36551.44883.42722.55121.52241.08131.08132.13642.16282.1628
C63.61812.36354.48114.03571.52242.17602.17601.08621.08471.0847
H72.63152.06733.73392.51791.08132.17601.76372.50942.51573.0724
H82.63152.06733.73392.51791.08132.17601.76372.50943.07242.5157
H94.46203.31275.42864.65952.13641.08622.50942.50941.76291.7629
H103.89042.61794.60314.45472.16281.08472.51573.07241.76291.7639
H113.89042.61794.60314.45472.16281.08473.07242.51571.76291.7639

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 116.013 O2 N1 O3 114.056
O2 N1 O4 118.111 O2 C5 C6 105.371
O2 C5 H7 108.722 O2 C5 H8 108.722
O3 N1 O4 127.833 C5 C6 H9 108.815
C5 C6 H10 110.994 C5 C6 H11 110.994
C6 C5 H7 112.283 C6 C5 H8 112.283
H7 C5 H8 109.286 H9 C6 H10 108.592
H9 C6 H11 108.592 H10 C6 H11 108.791
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.709      
2 O -0.292      
3 O -0.364      
4 O -0.395      
5 C -0.072      
6 C -0.494      
7 H 0.184      
8 H 0.184      
9 H 0.177      
10 H 0.181      
11 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.246 0.282 0.000 4.256
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.354 0.307 0.000
y 0.307 -38.601 0.000
z 0.000 0.000 -33.069
Traceless
 xyz
x -0.519 0.307 0.000
y 0.307 -3.890 0.000
z 0.000 0.000 4.409
Polar
3z2-r28.817
x2-y22.247
xy0.307
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.457 0.231 0.000
y 0.231 6.262 0.000
z 0.000 0.000 4.397


<r2> (average value of r2) Å2
<r2> 141.401
(<r2>)1/2 11.891