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

using model chemistry: MP2=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-358.830433
Energy at 298.15K-358.838336
HF Energy-357.629594
Nuclear repulsion energy250.866012
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/TZVP
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' 3194 3043 12.45      
2 A' 3114 2967 11.84      
3 A' 3102 2955 11.02      
4 A' 1829 1742 245.03      
5 A' 1552 1479 4.55      
6 A' 1527 1455 5.03      
7 A' 1454 1386 3.90      
8 A' 1422 1355 3.27      
9 A' 1287 1226 249.32      
10 A' 1170 1114 20.30      
11 A' 1074 1023 68.22      
12 A' 951 906 50.09      
13 A' 867 826 296.96      
14 A' 724 690 39.00      
15 A' 579 551 0.68      
16 A' 380 362 0.24      
17 A' 230 219 0.55      
18 A" 3209 3057 20.18      
19 A" 3175 3025 8.08      
20 A" 1505 1433 6.59      
21 A" 1314 1252 0.66      
22 A" 1208 1151 3.71      
23 A" 849 808 0.07      
24 A" 730 695 8.16      
25 A" 257 244 0.51      
26 A" 115 110 1.23      
27 A" 91 86 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 18453.1 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 17580.3 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/TZVP
ABC
0.33152 0.07360 0.06162

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.102 -0.325 0.000
O2 0.000 0.570 0.000
O3 2.165 0.248 0.000
O4 0.857 -1.514 0.000
C5 -1.276 -0.098 0.000
C6 -2.303 1.009 0.000
H7 -1.358 -0.726 0.886
H8 -1.358 -0.726 -0.886
H9 -3.299 0.567 0.000
H10 -2.200 1.631 0.886
H11 -2.200 1.631 -0.886

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.41971.20781.21362.38943.65752.64522.64524.49083.93913.9391
O21.41972.18892.25291.44052.34492.07532.07533.29912.59842.5984
O31.20782.18892.19453.45904.53283.76103.76105.47364.66394.6639
O41.21362.25292.19452.56054.04372.51232.51234.64804.47464.4746
C52.38941.44053.45902.56051.50981.08891.08892.12922.15122.1512
C63.65752.34494.53284.04371.50982.16512.16511.08921.08741.0874
H72.64522.07533.76102.51231.08892.16511.77212.49512.50303.0665
H82.64522.07533.76102.51231.08892.16511.77212.49513.06652.5030
H94.49083.29915.47364.64802.12921.08922.49512.49511.76761.7676
H103.93912.59844.66394.47462.15121.08742.50303.06651.76761.7710
H113.93912.59844.66394.47462.15121.08743.06652.50301.76761.7710

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 113.312 O2 N1 O3 112.582
O2 N1 O4 117.422 O2 C5 C6 105.246
O2 C5 H7 109.474 O2 C5 H8 109.474
O3 N1 O4 129.996 C5 C6 H9 108.946
C5 C6 H10 110.799 C5 C6 H11 110.799
C6 C5 H7 111.824 C6 C5 H8 111.824
H7 C5 H8 108.917 H9 C6 H10 108.599
H9 C6 H11 108.599 H10 C6 H11 109.043
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability