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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/cc-pVTZ
 hartrees
Energy at 0K-359.420332
Energy at 298.15K-359.428250
HF Energy-358.972723
Nuclear repulsion energy251.328179
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 B2PLYP=FULL/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' 3145 3006 14.91      
2 A' 3089 2953 10.75      
3 A' 3074 2938 11.54      
4 A' 1714 1638 358.17      
5 A' 1538 1470 4.06      
6 A' 1516 1449 5.63      
7 A' 1435 1371 2.23      
8 A' 1409 1347 7.05      
9 A' 1299 1242 252.95      
10 A' 1152 1101 13.73      
11 A' 1048 1002 60.11      
12 A' 933 891 50.73      
13 A' 865 826 234.78      
14 A' 709 678 33.37      
15 A' 570 545 0.70      
16 A' 376 360 0.13      
17 A' 227 217 0.57      
18 A" 3157 3018 26.60      
19 A" 3131 2992 2.84      
20 A" 1503 1436 6.89      
21 A" 1304 1247 0.74      
22 A" 1193 1140 3.70      
23 A" 834 797 0.17      
24 A" 778 744 12.93      
25 A" 260 249 0.49      
26 A" 130 125 1.00      
27 A" 90 86 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 18239.4 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 17433.2 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 B2PLYP=FULL/cc-pVTZ
ABC
0.33432 0.07361 0.06171

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.106 -0.314 0.000
O2 0.000 0.567 0.000
O3 2.159 0.264 0.000
O4 0.872 -1.500 0.000
C5 -1.277 -0.109 0.000
C6 -2.315 0.987 0.000
H7 -1.347 -0.739 0.883
H8 -1.347 -0.739 -0.883
H9 -3.306 0.539 0.000
H10 -2.219 1.613 0.883
H11 -2.219 1.613 -0.883

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.41371.20081.20922.39153.65972.64162.64164.49413.94293.9429
O21.41372.18002.24341.44482.35272.07352.07353.30652.60732.6073
O31.20082.18002.18333.45584.53183.75193.75195.47214.66544.6654
O41.20922.24342.18332.55974.04242.50692.50694.64964.47484.4748
C52.39151.44483.45582.55971.50971.08661.08662.13072.15242.1524
C63.65972.35274.53184.04241.50972.16642.16641.08771.08651.0865
H72.64162.07353.75192.50691.08662.16641.76582.50032.50783.0672
H82.64162.07353.75192.50691.08662.16641.76582.50033.06722.5078
H94.49413.30655.47214.64962.13071.08772.50032.50031.76441.7644
H103.94292.60734.66544.47482.15241.08652.50783.06721.76441.7658
H113.94292.60734.66544.47482.15241.08653.06722.50781.76441.7658

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 113.567 O2 N1 O3 112.731
O2 N1 O4 117.374 O2 C5 C6 105.537
O2 C5 H7 109.169 O2 C5 H8 109.169
O3 N1 O4 129.895 C5 C6 H9 109.160
C5 C6 H10 110.956 C5 C6 H11 110.956
C6 C5 H7 112.089 C6 C5 H8 112.089
H7 C5 H8 108.694 H9 C6 H10 108.495
H9 C6 H11 108.495 H10 C6 H11 108.711
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability