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

using model chemistry: MP2=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-358.768492
Energy at 298.15K-358.776486
HF Energy-357.592840
Nuclear repulsion energy251.404218
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 MP2=FULL/6-311G*
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' 3191 3022 13.31      
2 A' 3114 2949 12.14      
3 A' 3099 2935 11.29      
4 A' 1875 1775 222.66      
5 A' 1565 1483 4.53      
6 A' 1539 1457 6.03      
7 A' 1462 1385 4.68      
8 A' 1430 1354 13.32      
9 A' 1320 1251 253.09      
10 A' 1178 1115 23.57      
11 A' 1087 1029 67.14      
12 A' 959 908 55.05      
13 A' 883 836 276.65      
14 A' 736 697 27.13      
15 A' 585 554 0.17      
16 A' 388 368 0.15      
17 A' 235 222 0.43      
18 A" 3204 3035 22.64      
19 A" 3173 3005 8.88      
20 A" 1525 1445 9.40      
21 A" 1331 1260 0.53      
22 A" 1214 1149 4.69      
23 A" 845 801 0.19      
24 A" 771 730 12.30      
25 A" 266 252 0.51      
26 A" 126 119 1.46      
27 A" 104 99 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 18601.1 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 17617.1 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 MP2=FULL/6-311G*
ABC
0.33203 0.07402 0.06194

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.099 -0.318 0.000
O2 0.000 0.564 0.000
O3 2.156 0.261 0.000
O4 0.863 -1.506 0.000
C5 -1.273 -0.108 0.000
C6 -2.302 0.999 0.000
H7 -1.350 -0.741 0.887
H8 -1.350 -0.741 -0.887
H9 -3.304 0.564 0.000
H10 -2.197 1.625 0.886
H11 -2.197 1.625 -0.886

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.40951.20501.21142.38143.64802.63922.63924.49093.92793.9279
O21.40952.17712.24271.43912.34322.07612.07613.30402.59582.5958
O31.20502.17712.19013.44854.51903.75273.75275.46834.64684.6468
O41.21142.24272.19012.55244.03682.50402.50404.65274.46694.4669
C52.38141.43913.44852.55241.51221.09191.09192.13972.15522.1552
C63.64802.34324.51904.03681.51222.17252.17251.09201.09031.0903
H72.63922.07613.75272.50401.09192.17251.77392.51112.51283.0754
H82.63922.07613.75272.50401.09192.17251.77392.51113.07542.5128
H94.49093.30405.46834.65272.13971.09202.51112.51111.77151.7715
H103.92792.59584.64684.46692.15521.09032.51283.07541.77151.7725
H113.92792.59584.64684.46692.15521.09033.07542.51281.77151.7725

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 113.427 O2 N1 O3 112.521
O2 N1 O4 117.470 O2 C5 C6 105.084
O2 C5 H7 109.455 O2 C5 H8 109.455
O3 N1 O4 130.009 C5 C6 H9 109.435
C5 C6 H10 110.772 C5 C6 H11 110.772
C6 C5 H7 112.066 C6 C5 H8 112.066
H7 C5 H8 108.635 H9 C6 H10 108.529
H9 C6 H11 108.529 H10 C6 H11 108.744
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability