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

using model chemistry: LSDA/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 LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-357.743951
Energy at 298.15K-357.751822
HF Energy-357.743951
Nuclear repulsion energy253.107802
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 LSDA/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' 3092 3043 4.12      
2 A' 2998 2950 6.57      
3 A' 2974 2926 8.76      
4 A' 1794 1765 318.73      
5 A' 1449 1425 3.98      
6 A' 1421 1399 5.04      
7 A' 1384 1362 126.43      
8 A' 1340 1319 58.01      
9 A' 1289 1268 62.41      
10 A' 1126 1108 20.96      
11 A' 1074 1057 41.27      
12 A' 917 903 58.95      
13 A' 869 855 176.15      
14 A' 714 703 16.40      
15 A' 576 566 0.08      
16 A' 383 376 1.07      
17 A' 227 223 0.44      
18 A" 3090 3041 7.02      
19 A" 3018 2970 8.23      
20 A" 1408 1386 8.75      
21 A" 1230 1210 0.84      
22 A" 1133 1115 4.27      
23 A" 788 775 0.61      
24 A" 772 759 12.92      
25 A" 254 250 0.31      
26 A" 148 145 0.56      
27 A" 83 81 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 17774.5 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 17490.2 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 LSDA/6-31G(2df,p)
ABC
0.33702 0.07534 0.06305

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.095 -0.301 0.000
O2 0.000 0.576 0.000
O3 2.148 0.269 0.000
O4 0.842 -1.481 0.000
C5 -1.242 -0.109 0.000
C6 -2.300 0.952 0.000
H7 -1.299 -0.765 0.889
H8 -1.299 -0.765 -0.889
H9 -3.296 0.483 0.000
H10 -2.219 1.591 0.893
H11 -2.219 1.591 -0.893

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.40341.19751.20642.34543.61932.59562.59564.46103.91983.9198
O21.40342.17042.22251.41882.33072.06772.06773.29772.59862.5986
O31.19752.17042.18353.41184.50093.70713.70715.44904.65024.6502
O41.20642.22252.18352.49483.97342.42592.42594.58024.42764.4276
C52.34541.41883.41182.49481.49821.10571.10572.13762.15482.1548
C63.61932.33074.50093.97341.49822.17662.17661.10081.10111.1011
H72.59562.06773.70712.42591.10572.17661.77742.51692.52943.0936
H82.59562.06773.70712.42591.10572.17661.77742.51693.09362.5294
H94.46103.29775.44904.58022.13761.10082.51692.51691.78481.7848
H103.91982.59864.65024.42762.15481.10112.52943.09361.78481.7851
H113.91982.59864.65024.42762.15481.10113.09362.52941.78481.7851

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 112.413 O2 N1 O3 112.887
O2 N1 O4 116.565 O2 C5 C6 106.038
O2 C5 H7 109.349 O2 C5 H8 109.349
O3 N1 O4 130.548 C5 C6 H9 109.722
C5 C6 H10 111.068 C5 C6 H11 111.068
C6 C5 H7 112.549 C6 C5 H8 112.549
H7 C5 H8 106.971 H9 C6 H10 108.296
H9 C6 H11 108.296 H10 C6 H11 108.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.658      
2 O -0.225      
3 O -0.318      
4 O -0.315      
5 C -0.132      
6 C -0.511      
7 H 0.162      
8 H 0.162      
9 H 0.169      
10 H 0.175      
11 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.111 0.278 0.000 3.123
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.791 -0.302 0.000
y -0.302 -36.888 0.000
z 0.000 0.000 -32.751
Traceless
 xyz
x 0.029 -0.302 0.000
y -0.302 -3.117 0.000
z 0.000 0.000 3.088
Polar
3z2-r26.176
x2-y22.097
xy-0.302
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.729 -0.345 0.000
y -0.345 6.419 0.000
z 0.000 0.000 4.722


<r2> (average value of r2) Å2
<r2> 174.386
(<r2>)1/2 13.206