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

using model chemistry: CCSD(T)=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at CCSD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-358.639948
Energy at 298.15K-358.647857
HF Energy-357.533543
Nuclear repulsion energy250.090651
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 CCSD(T)=FULL/cc-pVDZ
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' 3158 3041        
2 A' 3078 2965        
3 A' 3066 2953        
4 A' 1754 1690        
5 A' 1518 1462        
6 A' 1492 1437        
7 A' 1427 1375        
8 A' 1390 1339        
9 A' 1326 1277        
10 A' 1148 1106        
11 A' 1073 1033        
12 A' 934 900        
13 A' 865 833        
14 A' 705 679        
15 A' 565 544        
16 A' 379 365        
17 A' 230 222        
18 A" 3167 3051        
19 A" 3134 3018        
20 A" 1476 1422        
21 A" 1285 1238        
22 A" 1180 1136        
23 A" 824 794        
24 A" 762 734        
25 A" 260 251        
26 A" 122 118        
27 A" 101 97        

Unscaled Zero Point Vibrational Energy (zpe) 18209.5 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 17539.4 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 CCSD(T)=FULL/cc-pVDZ
ABC
0.32924 0.07327 0.06135

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.108 -0.316 0.000
O2 0.000 0.575 0.000
O3 2.166 0.264 0.000
O4 0.869 -1.508 0.000
C5 -1.274 -0.113 0.000
C6 -2.321 0.992 0.000
H7 -1.349 -0.754 0.896
H8 -1.349 -0.754 -0.896
H9 -3.329 0.541 0.000
H10 -2.217 1.627 0.897
H11 -2.217 1.627 -0.897

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.42211.20611.21522.39103.66992.65202.65204.51883.95423.9542
O21.42212.18782.25681.44822.35792.09522.09523.32892.61252.6125
O31.20612.18782.19543.46034.54503.76733.76735.50134.67644.6764
O41.21522.25682.19542.55694.05232.50822.50824.67074.48894.4889
C52.39101.44823.46032.55691.52181.10421.10422.15602.17242.1724
C63.66992.35794.54504.05231.52182.18962.18961.10441.10351.1035
H72.65202.09523.76732.50821.10422.18961.79222.52922.53383.1038
H82.65202.09523.76732.50821.10422.18961.79222.52923.10382.5338
H94.51883.32895.50134.67072.15601.10442.52922.52921.79431.7943
H103.95422.61254.67644.48892.17241.10352.53383.10381.79431.7932
H113.95422.61254.67644.48892.17241.10353.10382.53381.79431.7932

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 112.814 O2 N1 O3 112.441
O2 N1 O4 117.458 O2 C5 C6 105.076
O2 C5 H7 109.609 O2 C5 H8 109.609
O3 N1 O4 130.101 C5 C6 H9 109.333
C5 C6 H10 110.674 C5 C6 H11 110.674
C6 C5 H7 111.999 C6 C5 H8 111.999
H7 C5 H8 108.489 H9 C6 H10 108.715
H9 C6 H11 108.715 H10 C6 H11 108.683
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability