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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-359.467269
Energy at 298.15K-359.475182
HF Energy-359.467269
Nuclear repulsion energy251.868186
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 B3PW91/6-311G*
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' 3134 3017 19.44      
2 A' 3071 2957 13.27      
3 A' 3058 2944 14.81      
4 A' 1776 1709 413.88      
5 A' 1533 1476 3.55      
6 A' 1510 1454 6.33      
7 A' 1435 1381 2.43      
8 A' 1409 1356 65.48      
9 A' 1347 1296 225.16      
10 A' 1154 1111 16.05      
11 A' 1053 1013 56.04      
12 A' 938 903 66.80      
13 A' 894 861 220.56      
14 A' 724 697 30.56      
15 A' 581 559 0.82      
16 A' 379 365 0.58      
17 A' 226 218 0.43      
18 A" 3146 3029 34.75      
19 A" 3117 3001 4.82      
20 A" 1497 1441 9.45      
21 A" 1307 1258 0.58      
22 A" 1185 1141 4.78      
23 A" 827 796 0.02      
24 A" 786 756 16.70      
25 A" 260 250 0.46      
26 A" 133 128 1.15      
27 A" 83 80 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 18280.1 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 17598.3 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 B3PW91/6-311G*
ABC
0.33663 0.07375 0.06190

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.106 -0.310 0.000
O2 0.000 0.558 0.000
O3 2.150 0.271 0.000
O4 0.883 -1.492 0.000
C5 -1.276 -0.114 0.000
C6 -2.316 0.982 0.000
H7 -1.346 -0.749 0.886
H8 -1.346 -0.749 -0.886
H9 -3.314 0.536 0.000
H10 -2.223 1.613 0.886
H11 -2.223 1.613 -0.886

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.40541.19431.20372.38973.65732.64392.64394.49973.94533.9453
O21.40542.16872.23191.44152.35422.07472.07473.31372.61572.6157
O31.19432.16872.17143.44694.52163.74773.74775.46974.65924.6592
O41.20372.23192.17142.56114.04362.51082.51084.66064.48054.4805
C52.38971.44153.44692.56111.51051.09271.09272.13892.15982.1598
C63.65732.35424.52164.04361.51052.17302.17301.09311.09191.0919
H72.64392.07473.74772.51081.09272.17301.77232.51162.51993.0807
H82.64392.07473.74772.51081.09272.17301.77232.51163.08072.5199
H94.49973.31375.46974.66062.13891.09312.51162.51161.77051.7705
H103.94532.61574.65924.48052.15981.09192.51993.08071.77051.7722
H113.94532.61574.65924.48052.15981.09193.08072.51991.77051.7722

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 114.146 O2 N1 O3 112.809
O2 N1 O4 117.407 O2 C5 C6 105.761
O2 C5 H7 109.131 O2 C5 H8 109.131
O3 N1 O4 129.785 C5 C6 H9 109.429
C5 C6 H10 111.158 C5 C6 H11 111.158
C6 C5 H7 112.178 C6 C5 H8 112.178
H7 C5 H8 108.377 H9 C6 H10 108.258
H9 C6 H11 108.258 H10 C6 H11 108.487
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.475      
2 O -0.261      
3 O -0.247      
4 O -0.257      
5 C -0.235      
6 C -0.678      
7 H 0.242      
8 H 0.242      
9 H 0.235      
10 H 0.242      
11 H 0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.383 0.190 0.000 3.388
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.301 -0.133 0.000
y -0.133 -37.888 0.000
z 0.000 0.000 -32.988
Traceless
 xyz
x 0.137 -0.133 0.000
y -0.133 -3.743 0.000
z 0.000 0.000 3.606
Polar
3z2-r27.212
x2-y22.587
xy-0.133
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.253 -0.156 0.000
y -0.156 6.323 0.000
z 0.000 0.000 4.275


<r2> (average value of r2) Å2
<r2> 177.475
(<r2>)1/2 13.322