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

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-72.027039
Energy at 298.15K-72.034809
HF Energy-72.027039
Nuclear repulsion energy139.129974
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 B3LYP/CEP-121G*
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' 3108 3012 28.48      
2 A' 3059 2965 13.95      
3 A' 3035 2942 18.18      
4 A' 1675 1624 385.93      
5 A' 1526 1480 3.46      
6 A' 1505 1459 6.14      
7 A' 1428 1384 1.71      
8 A' 1393 1350 13.99      
9 A' 1300 1260 275.69      
10 A' 1131 1096 13.85      
11 A' 1013 982 61.00      
12 A' 913 885 108.20      
13 A' 873 846 151.89      
14 A' 692 671 12.39      
15 A' 552 535 2.93      
16 A' 367 356 1.04      
17 A' 219 213 0.47      
18 A" 3129 3033 50.31      
19 A" 3105 3010 0.15      
20 A" 1494 1448 7.16      
21 A" 1283 1244 0.50      
22 A" 1173 1137 3.58      
23 A" 813 788 0.12      
24 A" 735 713 12.53      
25 A" 249 242 0.49      
26 A" 127 123 1.05      
27 A" 79 76 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 17987.3 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 17436.9 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 B3LYP/CEP-121G*
ABC
0.32501 0.07175 0.06012

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.115 -0.312 0.000
O2 0.000 0.568 0.000
O3 2.187 0.274 0.000
O4 0.891 -1.522 0.000
C5 -1.298 -0.116 0.000
C6 -2.344 1.001 0.000
H7 -1.366 -0.749 0.891
H8 -1.366 -0.749 -0.891
H9 -3.344 0.550 0.000
H10 -2.248 1.631 0.891
H11 -2.248 1.631 -0.891

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.42021.22141.23032.42093.69962.67222.67224.54213.98503.9850
O21.42022.20632.27131.46722.38362.09632.09633.34452.64172.6417
O31.22142.20632.21453.50644.58853.80293.80295.53814.72264.7226
O41.23032.27132.21452.60104.10182.54622.54624.71494.53734.5373
C52.42091.46723.50642.60101.53031.09531.09532.15242.17962.1796
C63.69962.38364.58854.10181.53032.19392.19391.09721.09551.0955
H72.67222.09633.80292.54621.09532.19391.78282.52962.53893.1018
H82.67222.09633.80292.54621.09532.19391.78282.52963.10182.5389
H94.54213.34455.53814.71492.15241.09722.52962.52961.77861.7786
H103.98502.64174.72264.53732.17961.09552.53893.10181.77861.7811
H113.98502.64174.72264.53732.17961.09553.10182.53891.77861.7811

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 113.939 O2 N1 O3 113.061
O2 N1 O4 117.764 O2 C5 C6 105.331
O2 C5 H7 108.920 O2 C5 H8 108.920
O3 N1 O4 129.175 C5 C6 H9 108.894
C5 C6 H10 111.131 C5 C6 H11 111.131
C6 C5 H7 112.295 C6 C5 H8 112.295
H7 C5 H8 108.939 H9 C6 H10 108.421
H9 C6 H11 108.421 H10 C6 H11 108.764
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.487      
2 O -0.205      
3 O -0.265      
4 O -0.275      
5 C -0.139      
6 C -0.511      
7 H 0.180      
8 H 0.180      
9 H 0.178      
10 H 0.184      
11 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.647 0.261 0.000 3.656
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.468 -0.068 0.000
y -0.068 -38.030 0.000
z 0.000 0.000 -33.234
Traceless
 xyz
x 0.165 -0.068 0.000
y -0.068 -3.679 0.000
z 0.000 0.000 3.515
Polar
3z2-r27.030
x2-y22.563
xy-0.068
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.932 -0.180 0.000
y -0.180 6.843 0.000
z 0.000 0.000 4.724


<r2> (average value of r2) Å2
<r2> 146.373
(<r2>)1/2 12.098