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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-358.499211
Energy at 298.15K-358.507240
HF Energy-357.507635
Nuclear repulsion energy251.643547
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 CCD/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' 3178 3008 13.79      
2 A' 3119 2952 8.56      
3 A' 3096 2930 9.87      
4 A' 1842 1744 419.70      
5 A' 1575 1491 1.86      
6 A' 1550 1468 5.49      
7 A' 1485 1406 2.37      
8 A' 1456 1378 90.74      
9 A' 1393 1318 205.78      
10 A' 1188 1124 19.16      
11 A' 1099 1040 95.02      
12 A' 998 945 139.08      
13 A' 932 882 65.01      
14 A' 749 709 1.24      
15 A' 592 561 3.97      
16 A' 398 377 2.99      
17 A' 239 226 0.39      
18 A" 3193 3022 25.57      
19 A" 3170 3001 3.15      
20 A" 1538 1456 6.81      
21 A" 1324 1253 0.35      
22 A" 1220 1155 5.04      
23 A" 851 806 0.04      
24 A" 791 749 19.62      
25 A" 263 249 0.50      
26 A" 126 119 1.25      
27 A" 105 99 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 18735.8 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 17733.4 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 CCD/6-31G*
ABC
0.33225 0.07419 0.06207

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.096 -0.293 0.000
O2 0.000 0.554 0.000
O3 2.149 0.296 0.000
O4 0.889 -1.489 0.000
C5 -1.276 -0.136 0.000
C6 -2.315 0.967 0.000
H7 -1.342 -0.769 0.889
H8 -1.342 -0.769 -0.889
H9 -3.316 0.522 0.000
H10 -2.213 1.597 0.890
H11 -2.213 1.597 -0.890

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.38541.20621.21412.37713.63692.63862.63864.48703.91343.9134
O21.38542.16412.22841.45022.35192.08412.08413.31642.60322.6032
O31.20622.16412.18533.45154.51413.75653.75655.46954.63784.6378
O41.21412.22842.18532.55314.03762.50712.50714.66134.46524.4652
C52.37711.45023.45152.55311.51571.09411.09412.14382.16122.1612
C63.63692.35194.51414.03761.51572.18062.18061.09561.09431.0943
H72.63862.08413.75652.50711.09412.18061.77862.52102.52143.0857
H82.63862.08413.75652.50711.09412.18061.77862.52103.08572.5214
H94.48703.31645.46954.66132.14381.09562.52102.52101.77841.7784
H103.91342.60324.63784.46522.16121.09432.52143.08571.77841.7790
H113.91342.60324.63784.46522.16121.09433.08572.52141.77841.7790

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 113.904 O2 N1 O3 113.055
O2 N1 O4 117.867 O2 C5 C6 104.910
O2 C5 H7 109.198 O2 C5 H8 109.198
O3 N1 O4 129.078 C5 C6 H9 109.305
C5 C6 H10 110.760 C5 C6 H11 110.760
C6 C5 H7 112.336 C6 C5 H8 112.336
H7 C5 H8 108.743 H9 C6 H10 108.603
H9 C6 H11 108.603 H10 C6 H11 108.753
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability