return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-359.313472
Energy at 298.15K-359.321371
HF Energy-358.923524
Nuclear repulsion energy250.714728
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 B2PLYP=FULL/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3153 3153 20.66      
2 A' 3097 3097 12.86      
3 A' 3078 3078 14.72      
4 A' 1732 1732 339.16      
5 A' 1555 1555 4.20      
6 A' 1532 1532 6.38      
7 A' 1452 1452 4.57      
8 A' 1421 1421 8.43      
9 A' 1308 1308 259.76      
10 A' 1161 1161 17.64      
11 A' 1051 1051 57.53      
12 A' 938 938 47.56      
13 A' 868 868 237.51      
14 A' 711 711 36.99      
15 A' 570 570 0.59      
16 A' 378 378 0.19      
17 A' 228 228 0.49      
18 A" 3168 3168 37.77      
19 A" 3143 3143 3.11      
20 A" 1519 1519 8.65      
21 A" 1319 1319 0.58      
22 A" 1203 1203 4.50      
23 A" 838 838 0.13      
24 A" 764 764 14.53      
25 A" 261 261 0.53      
26 A" 129 129 1.28      
27 A" 90 90 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 18331.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18331.7 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 B2PLYP=FULL/6-311G*
ABC
0.33237 0.07326 0.06141

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.108 -0.321 0.000
O2 0.000 0.565 0.000
O3 2.163 0.256 0.000
O4 0.871 -1.509 0.000
C5 -1.282 -0.105 0.000
C6 -2.313 1.004 0.000
H7 -1.356 -0.737 0.886
H8 -1.356 -0.737 -0.886
H9 -3.314 0.569 0.000
H10 -2.211 1.631 0.885
H11 -2.211 1.631 -0.885

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.41851.20251.21182.39993.66842.65082.65084.51053.95053.9505
O21.41852.18472.25001.44692.35442.07792.07793.31422.60912.6091
O31.20252.18472.18753.46404.53793.76183.76185.48584.66924.6692
O41.21182.25002.18752.57104.05632.51812.51814.67264.48814.4881
C52.39991.44693.46402.57101.51361.09031.09032.14042.15842.1584
C63.66842.35444.53794.05631.51362.17452.17451.09141.08981.0898
H72.65082.07793.76182.51811.09032.17451.77102.51442.51733.0776
H82.65082.07793.76182.51811.09032.17451.77102.51443.07762.5173
H94.51053.31425.48584.67262.14041.09142.51442.51441.76921.7692
H103.95052.60914.66924.48812.15841.08982.51733.07761.76921.7701
H113.95052.60914.66924.48812.15841.08983.07762.51731.76921.7701

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 113.755 O2 N1 O3 112.665
O2 N1 O4 117.394 O2 C5 C6 105.340
O2 C5 H7 109.156 O2 C5 H8 109.156
O3 N1 O4 129.941 C5 C6 H9 109.438
C5 C6 H10 110.958 C5 C6 H11 110.958
C6 C5 H7 112.232 C6 C5 H8 112.232
H7 C5 H8 108.621 H9 C6 H10 108.406
H9 C6 H11 108.406 H10 C6 H11 108.601
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability