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

using model chemistry: CCD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-358.918268
Energy at 298.15K-358.926348
HF Energy-357.652740
Nuclear repulsion energy253.676029
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/cc-pVTZ
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' 3162 2952 13.90      
2 A' 3108 2901 8.95      
3 A' 3080 2876 10.02      
4 A' 1820 1699 502.80      
5 A' 1551 1448 1.82      
6 A' 1522 1421 5.04      
7 A' 1463 1366 26.92      
8 A' 1433 1338 80.00      
9 A' 1385 1293 189.89      
10 A' 1177 1099 22.05      
11 A' 1098 1026 107.97      
12 A' 997 931 154.66      
13 A' 934 872 52.69      
14 A' 763 712 2.36      
15 A' 604 564 3.76      
16 A' 397 370 2.30      
17 A' 238 222 0.40      
18 A" 3175 2964 26.29      
19 A" 3153 2944 0.29      
20 A" 1508 1408 6.26      
21 A" 1318 1231 1.07      
22 A" 1205 1125 3.96      
23 A" 841 785 1.80      
24 A" 823 769 14.07      
25 A" 256 239 0.48      
26 A" 126 118 0.93      
27 A" 106 99 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 18620.5 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 17386.0 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/cc-pVTZ
ABC
0.33993 0.07505 0.06292

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.094 -0.283 0.000
O2 0.000 0.551 0.000
O3 2.130 0.305 0.000
O4 0.895 -1.466 0.000
C5 -1.261 -0.143 0.000
C6 -2.315 0.941 0.000
H7 -1.324 -0.773 0.884
H8 -1.324 -0.773 -0.884
H9 -3.302 0.480 0.000
H10 -2.226 1.569 0.884
H11 -2.226 1.569 -0.884

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.37541.19111.19962.35903.62232.62082.62084.46173.90293.9029
O21.37542.14432.20591.43892.34792.07052.07053.30272.60252.6025
O31.19112.14432.15913.42034.49073.72493.72495.43494.62114.6211
O41.19962.20592.15912.52894.01182.48652.48654.62574.44154.4415
C52.35901.43893.42032.52891.51211.08751.08752.13422.15472.1547
C63.62232.34794.49074.01181.51212.16852.16851.08891.08811.0881
H72.62082.07053.72492.48651.08752.16851.76782.50302.50963.0699
H82.62082.07053.72492.48651.08752.16851.76782.50303.06992.5096
H94.46173.30275.43494.62572.13421.08892.50302.50301.76761.7676
H103.90292.60254.62114.44152.15471.08812.50963.06991.76761.7685
H113.90292.60254.62114.44152.15471.08813.06992.50961.76761.7685

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 113.880 O2 N1 O3 113.137
O2 N1 O4 117.728 O2 C5 C6 105.398
O2 C5 H7 109.289 O2 C5 H8 109.289
O3 N1 O4 129.135 C5 C6 H9 109.189
C5 C6 H10 110.871 C5 C6 H11 110.871
C6 C5 H7 112.018 C6 C5 H8 112.018
H7 C5 H8 108.739 H9 C6 H10 108.570
H9 C6 H11 108.570 H10 C6 H11 108.709
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability