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

using model chemistry: CCSD=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 CCSD=FULL/6-31G*
 hartrees
Energy at 0K-358.531278
Energy at 298.15K-358.539278
HF Energy-357.506337
Nuclear repulsion energy251.201237
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=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' 3169 3010 15.09      
2 A' 3115 2959 8.52      
3 A' 3090 2935 10.48      
4 A' 1774 1685 406.13      
5 A' 1572 1493 2.46      
6 A' 1549 1471 5.53      
7 A' 1481 1407 0.78      
8 A' 1446 1373 47.47      
9 A' 1375 1306 233.67      
10 A' 1181 1122 16.14      
11 A' 1089 1034 81.42      
12 A' 982 932 118.62      
13 A' 917 871 83.97      
14 A' 737 700 2.00      
15 A' 583 554 3.71      
16 A' 394 375 2.77      
17 A' 238 226 0.40      
18 A" 3185 3025 28.52      
19 A" 3164 3005 1.64      
20 A" 1537 1460 6.70      
21 A" 1321 1255 0.32      
22 A" 1218 1157 4.89      
23 A" 851 808 0.06      
24 A" 784 745 18.94      
25 A" 264 251 0.49      
26 A" 126 120 1.24      
27 A" 105 99 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 18622.3 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 17687.5 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=FULL/6-31G*
ABC
0.33075 0.07401 0.06190

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.098 -0.298 0.000
O2 0.000 0.559 0.000
O3 2.154 0.289 0.000
O4 0.882 -1.496 0.000
C5 -1.278 -0.130 0.000
C6 -2.314 0.974 0.000
H7 -1.344 -0.764 0.889
H8 -1.344 -0.764 -0.889
H9 -3.316 0.532 0.000
H10 -2.210 1.603 0.889
H11 -2.210 1.603 -0.889

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.39271.20851.21732.38153.64102.63982.63984.49113.91783.9178
O21.39272.17112.23671.45202.35082.08482.08483.31622.60132.6013
O31.20852.17112.19173.45764.52033.75953.75955.47574.64424.6442
O41.21732.23672.19172.55594.03972.50662.50664.66264.46804.4680
C52.38151.45203.45762.55591.51431.09391.09392.14302.16002.1600
C63.64102.35084.52034.03971.51432.18002.18001.09571.09431.0943
H72.63982.08483.75952.50661.09392.18001.77872.52172.52073.0851
H82.63982.08483.75952.50661.09392.18001.77872.52173.08512.5207
H94.49113.31625.47574.66262.14301.09572.52172.52171.77831.7783
H103.91782.60134.64424.46802.16001.09432.52073.08511.77831.7789
H113.91782.60134.64424.46802.16001.09433.08512.52071.77831.7789

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 113.672 O2 N1 O3 112.967
O2 N1 O4 117.798 O2 C5 C6 104.822
O2 C5 H7 109.143 O2 C5 H8 109.143
O3 N1 O4 129.235 C5 C6 H9 109.338
C5 C6 H10 110.767 C5 C6 H11 110.767
C6 C5 H7 112.410 C6 C5 H8 112.410
H7 C5 H8 108.782 H9 C6 H10 108.587
H9 C6 H11 108.587 H10 C6 H11 108.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability