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

using model chemistry: MP4=FULL/3-21G

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=FULL/3-21G
 hartrees
Energy at 0K-356.252306
Energy at 298.15K-356.259843
HF Energy-355.453037
Nuclear repulsion energy239.493840
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=FULL/3-21G
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' 3120 3054        
2 A' 3060 2995        
3 A' 3049 2985        
4 A' 1594 1560        
5 A' 1578 1545        
6 A' 1512 1479        
7 A' 1476 1445        
8 A' 1402 1373        
9 A' 1146 1122        
10 A' 1023 1001        
11 A' 986 965        
12 A' 894 875        
13 A' 736 720        
14 A' 620 606        
15 A' 474 464        
16 A' 348 340        
17 A' 213 209        
18 A" 3136 3069        
19 A" 3103 3037        
20 A" 1567 1534        
21 A" 1315 1287        
22 A" 1194 1168        
23 A" 864 846        
24 A" 615 602        
25 A" 252 247        
26 A" 117 114        
27 A" 87 85        

Unscaled Zero Point Vibrational Energy (zpe) 17739.2 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 17363.2 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 MP4=FULL/3-21G
ABC
0.29713 0.06834 0.05676

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.138 -0.376 0.000
O2 0.000 0.669 0.000
O3 2.309 0.165 0.000
O4 0.770 -1.618 0.000
C5 -1.313 -0.053 0.000
C6 -2.354 1.085 0.000
H7 -1.396 -0.684 0.893
H8 -1.396 -0.684 -0.893
H9 -3.366 0.659 0.000
H10 -2.226 1.710 0.892
H11 -2.226 1.710 -0.892

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.54551.28971.29472.47233.78572.70492.70494.62224.05764.0576
O21.54552.36382.41281.49802.39022.13962.13963.36632.61392.6139
O31.28972.36382.35463.62854.75303.90493.90495.69714.87334.8733
O41.29472.41282.35462.60524.13112.52232.52234.72194.56544.5654
C52.47231.49803.62852.60521.54261.09671.09672.17362.17642.1764
C63.78572.39024.75304.13111.54262.20132.20131.09861.09661.0966
H72.70492.13963.90492.52231.09672.20131.78562.54632.53373.0995
H82.70492.13963.90492.52231.09672.20131.78562.54633.09952.5337
H94.62223.36635.69714.72192.17361.09862.54632.54631.78921.7892
H104.05762.61394.87334.56542.17641.09662.53373.09951.78921.7848
H114.05762.61394.87334.56542.17641.09663.09952.53371.78921.7848

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 108.637 O2 N1 O3 112.655
O2 N1 O4 116.040 O2 C5 C6 103.635
O2 C5 H7 110.131 O2 C5 H8 110.131
O3 N1 O4 131.305 C5 C6 H9 109.621
C5 C6 H10 109.956 C5 C6 H11 109.956
C6 C5 H7 111.929 C6 C5 H8 111.929
H7 C5 H8 108.995 H9 C6 H10 109.179
H9 C6 H11 109.179 H10 C6 H11 108.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability