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

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-357.514120
Energy at 298.15K-357.522402
HF Energy-357.514120
Nuclear repulsion energy256.150804
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*
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' 3297 2963 34.72      
2 A' 3284 2951 1.26      
3 A' 3224 2897 16.18      
4 A' 1906 1713 722.49      
5 A' 1672 1502 2.40      
6 A' 1642 1476 8.18      
7 A' 1612 1449 154.66      
8 A' 1572 1413 101.75      
9 A' 1519 1365 138.39      
10 A' 1253 1126 24.08      
11 A' 1187 1067 264.27      
12 A' 1103 991 15.26      
13 A' 1003 901 6.16      
14 A' 828 744 2.56      
15 A' 644 578 16.98      
16 A' 421 379 7.78      
17 A' 251 226 0.55      
18 A" 3349 3010 30.81      
19 A" 3302 2966 10.94      
20 A" 1628 1463 5.27      
21 A" 1419 1275 1.35      
22 A" 1297 1165 6.18      
23 A" 918 825 29.21      
24 A" 890 800 5.16      
25 A" 275 247 0.55      
26 A" 132 118 0.92      
27 A" 109 98 0.93      

Unscaled Zero Point Vibrational Energy (zpe) 19869.7 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 17852.9 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 HF/6-31G*
ABC
0.34746 0.07597 0.06381

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.085 -0.257 0.000
O2 0.000 0.510 0.000
O3 2.097 0.346 0.000
O4 0.936 -1.435 0.000
C5 -1.266 -0.174 0.000
C6 -2.313 0.919 0.000
H7 -1.324 -0.797 0.879
H8 -1.324 -0.797 -0.879
H9 -3.299 0.467 0.000
H10 -2.220 1.543 0.880
H11 -2.220 1.543 -0.880

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.32821.17801.18722.35243.59512.62082.62084.44303.86443.8644
O21.32822.10342.15791.43912.34862.05782.05783.29902.60192.6019
O31.17802.10342.12553.40314.44673.71273.71275.39714.56524.5652
O41.18722.15792.12552.53744.01172.50762.50764.64254.42744.4274
C52.35241.43913.40312.53741.51331.07901.07902.13152.15272.1527
C63.59512.34864.44674.01171.51332.16682.16681.08451.08311.0831
H72.62082.05783.71272.50761.07902.16681.75802.50422.50623.0619
H82.62082.05783.71272.50761.07902.16681.75802.50423.06192.5062
H94.44303.29905.39714.64252.13151.08452.50422.50421.75971.7597
H103.86442.60194.56524.42742.15271.08312.50623.06191.75971.7600
H113.86442.60194.56524.42742.15271.08313.06192.50621.75971.7600

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 116.381 O2 N1 O3 113.990
O2 N1 O4 118.050 O2 C5 C6 105.373
O2 C5 H7 108.773 O2 C5 H8 108.773
O3 N1 O4 127.960 C5 C6 H9 109.157
C5 C6 H10 110.925 C5 C6 H11 110.925
C6 C5 H7 112.328 C6 C5 H8 112.328
H7 C5 H8 109.103 H9 C6 H10 108.547
H9 C6 H11 108.547 H10 C6 H11 108.678
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.973      
2 O -0.501      
3 O -0.443      
4 O -0.476      
5 C -0.017      
6 C -0.511      
7 H 0.203      
8 H 0.203      
9 H 0.183      
10 H 0.193      
11 H 0.193      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -4.119 0.268 0.000 4.128
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.174 0.222 0.000
y 0.222 -38.384 0.000
z 0.000 0.000 -33.013
Traceless
 xyz
x -0.476 0.222 0.000
y 0.222 -3.790 0.000
z 0.000 0.000 4.266
Polar
3z2-r28.533
x2-y22.210
xy0.222
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.900 0.205 0.000
y 0.205 5.740 0.000
z 0.000 0.000 4.026


<r2> (average value of r2) Å2
<r2> 173.331
(<r2>)1/2 13.166