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

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-357.556248
Energy at 298.15K-357.564552
HF Energy-357.556248
Nuclear repulsion energy256.865675
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 HF/6-31G(2df,p)
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' 3262 2954 29.01      
2 A' 3239 2933 5.70      
3 A' 3186 2885 14.95      
4 A' 1887 1709 715.72      
5 A' 1651 1495 4.51      
6 A' 1617 1464 13.17      
7 A' 1596 1445 168.87      
8 A' 1547 1401 89.51      
9 A' 1501 1359 104.64      
10 A' 1242 1125 26.56      
11 A' 1186 1074 258.49      
12 A' 1099 995 12.10      
13 A' 998 903 5.25      
14 A' 834 755 2.28      
15 A' 648 587 16.06      
16 A' 422 382 7.06      
17 A' 251 227 0.48      
18 A" 3303 2991 30.37      
19 A" 3263 2955 7.88      
20 A" 1601 1450 5.00      
21 A" 1404 1272 1.61      
22 A" 1287 1165 5.08      
23 A" 940 851 25.77      
24 A" 881 797 1.71      
25 A" 273 247 0.48      
26 A" 131 119 0.75      
27 A" 109 98 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 19677.6 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 17818.1 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 HF/6-31G(2df,p)
ABC
0.35046 0.07626 0.06412

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.085 -0.252 0.000
O2 0.000 0.511 0.000
O3 2.089 0.352 0.000
O4 0.940 -1.423 0.000
C5 -1.258 -0.178 0.000
C6 -2.316 0.904 0.000
H7 -1.316 -0.803 0.879
H8 -1.316 -0.803 -0.879
H9 -3.296 0.439 0.000
H10 -2.230 1.530 0.881
H11 -2.230 1.530 -0.881

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.32581.17181.18082.34413.59202.61532.61534.43553.86463.8646
O21.32582.09542.15061.43422.34942.05682.05683.29722.60502.6050
O31.17182.09542.11473.38914.44003.70153.70155.38654.56264.5626
O41.18082.15062.11472.52674.00292.49942.49944.62834.42114.4211
C52.34411.43423.38912.52671.51351.08051.08052.12992.15322.1532
C63.59202.34944.44004.00291.51352.16562.16561.08481.08381.0838
H72.61532.05683.70152.49941.08052.16561.75842.49832.50583.0622
H82.61532.05683.70152.49941.08052.16561.75842.49833.06222.5058
H94.43553.29725.38654.62832.12991.08482.49832.49831.76131.7613
H103.86462.60504.56264.42112.15321.08382.50583.06221.76131.7616
H113.86462.60504.56264.42112.15321.08383.06222.50581.76131.7616

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 116.213 O2 N1 O3 113.916
O2 N1 O4 118.060 O2 C5 C6 105.659
O2 C5 H7 108.945 O2 C5 H8 108.945
O3 N1 O4 128.025 C5 C6 H9 108.997
C5 C6 H10 110.911 C5 C6 H11 110.911
C6 C5 H7 112.123 C6 C5 H8 112.123
H7 C5 H8 108.923 H9 C6 H10 108.621
H9 C6 H11 108.621 H10 C6 H11 108.722
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 1.157      
2 O -0.493      
3 O -0.506      
4 O -0.527      
5 C -0.008      
6 C -0.429      
7 H 0.164      
8 H 0.164      
9 H 0.154      
10 H 0.162      
11 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.946 0.286 0.000 3.956
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.802 0.179 0.000
y 0.179 -37.760 0.000
z 0.000 0.000 -32.751
Traceless
 xyz
x -0.546 0.179 0.000
y 0.179 -3.484 0.000
z 0.000 0.000 4.030
Polar
3z2-r28.061
x2-y21.959
xy0.179
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.294 0.084 0.000
y 0.084 5.972 0.000
z 0.000 0.000 4.425


<r2> (average value of r2) Å2
<r2> 172.411
(<r2>)1/2 13.131