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

using model chemistry: MP4/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-358.561084
Energy at 298.15K-358.568918
HF Energy-357.496788
Nuclear repulsion energy248.489983
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 MP4/6-31G*
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' 3159 3016        
2 A' 3084 2945        
3 A' 3076 2937        
4 A' 1743 1664        
5 A' 1563 1492        
6 A' 1542 1472        
7 A' 1463 1397        
8 A' 1415 1351        
9 A' 1275 1217        
10 A' 1165 1112        
11 A' 1066 1017        
12 A' 937 894        
13 A' 827 790        
14 A' 689 658        
15 A' 551 526        
16 A' 374 357        
17 A' 228 217        
18 A" 3173 3030        
19 A" 3138 2996        
20 A" 1531 1462        
21 A" 1305 1246        
22 A" 1206 1151        
23 A" 843 804        
24 A" 732 699        
25 A" 262 250        
26 A" 127 121        
27 A" 96 91        

Unscaled Zero Point Vibrational Energy (zpe) 18283.7 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 17457.3 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 MP4/6-31G*
ABC
0.32235 0.07270 0.06069

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.107 -0.330 0.000
O2 0.000 0.581 0.000
O3 2.187 0.249 0.000
O4 0.850 -1.535 0.000
C5 -1.286 -0.098 0.000
C6 -2.313 1.020 0.000
H7 -1.362 -0.733 0.891
H8 -1.362 -0.733 -0.891
H9 -3.322 0.587 0.000
H10 -2.202 1.648 0.891
H11 -2.202 1.648 -0.891

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.43361.22531.23192.40393.67712.65592.65594.52263.95693.9569
O21.43362.21182.28061.45402.35462.09202.09203.32172.60422.6042
O31.22532.21182.22893.48984.56563.78873.78875.51884.69194.6919
O41.23192.28062.22892.57474.06682.51692.51694.68114.49964.4996
C52.40391.45403.48982.57471.51851.09681.09682.14822.16392.1639
C63.67712.35464.56564.06681.51852.18432.18431.09741.09561.0956
H72.65592.09203.78872.51691.09682.18431.78222.52502.52493.0903
H82.65592.09203.78872.51691.09682.18431.78222.52503.09032.5249
H94.52263.32175.51884.68112.14821.09742.52502.52501.78121.7812
H103.95692.60424.69194.49962.16391.09562.52493.09031.78121.7814
H113.95692.60424.69194.49962.16391.09563.09032.52491.78121.7814

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 112.706 O2 N1 O3 112.340
O2 N1 O4 117.449 O2 C5 C6 104.750
O2 C5 H7 109.395 O2 C5 H8 109.395
O3 N1 O4 130.211 C5 C6 H9 109.358
C5 C6 H10 110.702 C5 C6 H11 110.702
C6 C5 H7 112.266 C6 C5 H8 112.266
H7 C5 H8 108.668 H9 C6 H10 108.626
H9 C6 H11 108.626 H10 C6 H11 108.773
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability