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

using model chemistry: MP4=FULL/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=FULL/6-31G*
 hartrees
Energy at 0K-358.581242
Energy at 298.15K-358.589092
HF Energy-357.497396
Nuclear repulsion energy248.720617
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/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' 3160 3038        
2 A' 3084 2966        
3 A' 3076 2958        
4 A' 1747 1680        
5 A' 1564 1504        
6 A' 1543 1483        
7 A' 1465 1409        
8 A' 1417 1362        
9 A' 1277 1228        
10 A' 1166 1122        
11 A' 1068 1027        
12 A' 939 903        
13 A' 829 797        
14 A' 691 665        
15 A' 553 531        
16 A' 376 361        
17 A' 228 220        
18 A" 3174 3052        
19 A" 3138 3018        
20 A" 1532 1473        
21 A" 1308 1258        
22 A" 1207 1161        
23 A" 844 811        
24 A" 736 708        
25 A" 264 254        
26 A" 128 123        
27 A" 97 93        

Unscaled Zero Point Vibrational Energy (zpe) 18304.1 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 17601.2 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/6-31G*
ABC
0.32294 0.07284 0.06081

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.106 -0.330 0.000
O2 0.000 0.580 0.000
O3 2.185 0.249 0.000
O4 0.849 -1.534 0.000
C5 -1.284 -0.098 0.000
C6 -2.311 1.019 0.000
H7 -1.361 -0.732 0.891
H8 -1.361 -0.732 -0.891
H9 -3.319 0.586 0.000
H10 -2.200 1.647 0.890
H11 -2.200 1.647 -0.890

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.43211.22431.23092.40133.67332.65372.65374.51893.95353.9535
O21.43212.20992.27801.45212.35232.09042.09043.31932.60222.6022
O31.22432.20992.22723.48644.56143.78563.78565.51454.68804.6880
O41.23092.27802.22722.57174.06222.51422.51424.67654.49544.4954
C52.40131.45213.48642.57171.51671.09661.09662.14682.16232.1623
C63.67332.35234.56144.06221.51672.18232.18231.09701.09541.0954
H72.65372.09043.78562.51421.09662.18231.78142.52322.52323.0885
H82.65372.09043.78562.51421.09662.18231.78142.52323.08852.5232
H94.51893.31935.51454.67652.14681.09702.52322.52321.78051.7805
H103.95352.60224.68804.49542.16231.09542.52323.08851.78051.7807
H113.95352.60224.68804.49542.16231.09543.08852.52321.78051.7807

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 112.727 O2 N1 O3 112.359
O2 N1 O4 117.415 O2 C5 C6 104.784
O2 C5 H7 109.412 O2 C5 H8 109.412
O3 N1 O4 130.226 C5 C6 H9 109.394
C5 C6 H10 110.713 C5 C6 H11 110.713
C6 C5 H7 112.251 C6 C5 H8 112.251
H7 C5 H8 108.636 H9 C6 H10 108.610
H9 C6 H11 108.610 H10 C6 H11 108.746
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability