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

using model chemistry: CCD/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 CCD/6-31G
 hartrees
Energy at 0K-358.024390
Energy at 298.15K-358.032142
HF Energy-357.307161
Nuclear repulsion energy244.888970
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 CCD/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' 3116 2990 17.83      
2 A' 3073 2948 5.18      
3 A' 3039 2916 12.68      
4 A' 1646 1580 323.41      
5 A' 1571 1508 5.08      
6 A' 1552 1490 8.30      
7 A' 1482 1422 8.43      
8 A' 1431 1373 2.43      
9 A' 1250 1199 206.27      
10 A' 1161 1114 10.08      
11 A' 1043 1000 49.22      
12 A' 927 889 84.46      
13 A' 842 808 152.50      
14 A' 692 664 12.07      
15 A' 541 519 4.00      
16 A' 368 353 1.76      
17 A' 220 211 0.69      
18 A" 3140 3013 34.14      
19 A" 3119 2993 0.16      
20 A" 1541 1478 7.01      
21 A" 1311 1258 0.00      
22 A" 1205 1156 6.05      
23 A" 858 823 0.42      
24 A" 707 678 15.93      
25 A" 242 232 0.80      
26 A" 107 103 2.89      
27 A" 91 87 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 18136.7 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 17402.2 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 CCD/6-31G
ABC
0.31541 0.07018 0.05869

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.122 -0.331 0.000
O2 0.000 0.580 0.000
O3 2.221 0.242 0.000
O4 0.879 -1.559 0.000
C5 -1.333 -0.102 0.000
C6 -2.342 1.050 0.000
H7 -1.406 -0.734 0.895
H8 -1.406 -0.734 -0.895
H9 -3.364 0.638 0.000
H10 -2.215 1.678 0.894
H11 -2.215 1.678 -0.894

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.44481.23921.25222.46523.72862.71202.71204.58933.99553.9955
O21.44482.24622.31231.49682.38842.12242.12243.36452.62842.6284
O31.23922.24622.24623.57004.63333.86113.86115.59874.74664.7466
O41.25222.31232.24622.64854.14472.58912.58914.77814.56564.5656
C52.46521.49683.57002.64851.53121.09851.09852.16202.17802.1780
C63.72862.38844.63334.14471.53122.20432.20431.10211.09981.0998
H72.71202.12243.86112.58911.09852.20431.79102.55312.54353.1099
H82.71202.12243.86112.58911.09852.20431.79102.55313.10992.5435
H94.58933.36455.59874.77812.16201.10212.55312.55311.78921.7892
H103.99552.62844.74664.56562.17801.09982.54353.10991.78921.7879
H113.99552.62844.74664.56562.17801.09983.10992.54351.78921.7879

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 113.855 O2 N1 O3 113.403
O2 N1 O4 117.867 O2 C5 C6 104.136
O2 C5 H7 108.751 O2 C5 H8 108.751
O3 N1 O4 128.731 C5 C6 H9 109.291
C5 C6 H10 110.682 C5 C6 H11 110.682
C6 C5 H7 112.876 C6 C5 H8 112.876
H7 C5 H8 109.208 H9 C6 H10 108.695
H9 C6 H11 108.695 H10 C6 H11 108.747
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability