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

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at G3B3
 hartrees
Energy at 0K-359.292778
Energy at 298.15K-359.285402
HF Energy-359.508714
Nuclear repulsion energy250.213492
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/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' 3140 3015 17.22      
2 A' 3082 2960 11.29      
3 A' 3068 2946 12.16      
4 A' 1752 1683 351.95      
5 A' 1546 1485 2.33      
6 A' 1526 1466 5.62      
7 A' 1446 1389 0.53      
8 A' 1416 1360 27.42      
9 A' 1335 1282 248.76      
10 A' 1153 1107 16.32      
11 A' 1040 999 54.15      
12 A' 932 895 68.41      
13 A' 881 846 197.00      
14 A' 708 680 18.17      
15 A' 568 545 1.27      
16 A' 376 362 0.73      
17 A' 225 216 0.50      
18 A" 3153 3028 31.18      
19 A" 3127 3003 4.38      
20 A" 1515 1455 6.48      
21 A" 1298 1247 0.41      
22 A" 1191 1144 4.61      
23 A" 831 798 0.22      
24 A" 765 734 16.70      
25 A" 259 248 0.44      
26 A" 132 127 0.95      
27 A" 80 77 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 18273.4 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 17547.9 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/6-31G*
ABC
0.33108 0.07296 0.06116

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.109 -0.312 0.000
O2 0.000 0.563 0.000
O3 2.166 0.272 0.000
O4 0.883 -1.506 0.000
C5 -1.283 -0.113 0.000
C6 -2.327 0.990 0.000
H7 -1.353 -0.749 0.888
H8 -1.353 -0.749 -0.888
H9 -3.325 0.541 0.000
H10 -2.231 1.621 0.889
H11 -2.231 1.621 -0.889

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.41231.20751.21582.40033.67402.65352.65354.51553.96013.9601
O21.41232.18532.24991.45052.36572.08322.08323.32562.62452.6245
O31.20752.18532.19273.47064.54973.77023.77025.49794.68454.6845
O41.21582.24992.19272.57574.06642.52272.52274.68014.50234.5023
C52.40031.45053.47062.57571.51871.09391.09392.14442.16712.1671
C63.67402.36574.54974.06641.51872.18152.18151.09511.09401.0940
H72.65352.08323.77022.52271.09392.18151.77542.51802.52723.0890
H82.65352.08323.77022.52271.09392.18151.77542.51803.08902.5272
H94.51553.32565.49794.68012.14441.09512.51802.51801.77591.7759
H103.96012.62454.68454.50232.16711.09402.52723.08901.77591.7770
H113.96012.62454.68454.50232.16711.09403.08902.52721.77591.7770

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 115.732 O2 N1 O3 113.332
O2 N1 O4 117.800 O2 C5 C6 105.929
O2 C5 H7 108.867 O2 C5 H8 108.867
O3 N1 O4 128.868 C5 C6 H9 109.271
C5 C6 H10 110.983 C5 C6 H11 110.983
C6 C5 H7 112.237 C6 C5 H8 112.237
H7 C5 H8 108.589 H9 C6 H10 108.449
H9 C6 H11 108.449 H10 C6 H11 108.634
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.750      
2 O -0.375      
3 O -0.356      
4 O -0.372      
5 C -0.035      
6 C -0.468      
7 H 0.172      
8 H 0.172      
9 H 0.164      
10 H 0.174      
11 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.411 0.254 0.000 3.421
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 179.081
(<r2>)1/2 13.382