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

using model chemistry: HF/STO-3G

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/STO-3G
 hartrees
Energy at 0K-352.836451
Energy at 298.15K-352.844034
HF Energy-352.836451
Nuclear repulsion energy245.637302
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/STO-3G
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' 3763 3073 0.13      
2 A' 3584 2927 0.72      
3 A' 3580 2923 0.07      
4 A' 1825 1490 3.09      
5 A' 1797 1467 11.03      
6 A' 1781 1454 194.72      
7 A' 1724 1408 12.84      
8 A' 1628 1330 38.91      
9 A' 1496 1222 123.72      
10 A' 1378 1125 2.64      
11 A' 1271 1038 6.72      
12 A' 1135 927 6.34      
13 A' 1040 849 13.14      
14 A' 670 547 13.28      
15 A' 535 437 8.68      
16 A' 401 328 5.84      
17 A' 238 194 0.32      
18 A" 3766 3075 0.01      
19 A" 3700 3021 0.42      
20 A" 1809 1477 2.61      
21 A" 1485 1212 0.48      
22 A" 1346 1099 9.76      
23 A" 952 778 0.15      
24 A" 618 505 13.10      
25 A" 230 187 0.33      
26 A" 103 84 1.03      
27 A" 98 80 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 20976.1 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 17127.0 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/STO-3G
ABC
0.31291 0.07157 0.05955

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.098 -0.301 0.000
O2 0.000 0.620 0.000
O3 2.227 0.274 0.000
O4 0.854 -1.551 0.000
C5 -1.261 -0.105 0.000
C6 -2.366 0.967 0.000
H7 -1.330 -0.741 0.888
H8 -1.330 -0.741 -0.888
H9 -3.337 0.481 0.000
H10 -2.286 1.593 0.883
H11 -2.286 1.593 -0.883

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.43221.26751.27352.36633.68852.62212.62214.50313.97703.9770
O21.43222.25392.33211.45412.39172.09992.09993.34012.63722.6372
O31.26752.25392.28383.50854.64553.80433.80435.56834.78464.7846
O41.27352.33212.28382.56154.08752.49252.49254.65744.53034.5303
C52.36631.45413.50852.56151.53991.09481.09482.15762.17152.1715
C63.68852.39174.64554.08751.53992.18662.18661.08581.08571.0857
H72.62212.09993.80432.49251.09482.18661.77642.51242.52273.0826
H82.62212.09993.80432.49251.09482.18661.77642.51243.08262.5227
H94.50313.34015.56834.65742.15761.08582.51242.51241.76691.7669
H103.97702.63724.78464.53032.17151.08572.52273.08261.76691.7668
H113.97702.63724.78464.53032.17151.08573.08262.52271.76691.7668

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 110.136 O2 N1 O3 113.062
O2 N1 O4 118.945 O2 C5 C6 105.998
O2 C5 H7 110.143 O2 C5 H8 110.143
O3 N1 O4 127.992 C5 C6 H9 109.291
C5 C6 H10 110.396 C5 C6 H11 110.396
C6 C5 H7 111.053 C6 C5 H8 111.053
H7 C5 H8 108.447 H9 C6 H10 108.911
H9 C6 H11 108.911 H10 C6 H11 108.903
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.241      
2 O -0.131      
3 O -0.155      
4 O -0.186      
5 C 0.013      
6 C -0.181      
7 H 0.083      
8 H 0.083      
9 H 0.077      
10 H 0.078      
11 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.105 0.320 0.000 3.121
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.537 -0.092 0.000
y -0.092 -35.304 0.000
z 0.000 0.000 -30.377
Traceless
 xyz
x -0.696 -0.092 0.000
y -0.092 -3.348 0.000
z 0.000 0.000 4.044
Polar
3z2-r28.088
x2-y21.767
xy-0.092
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.976 0.311 0.000
y 0.311 3.766 0.000
z 0.000 0.000 1.918


<r2> (average value of r2) Å2
<r2> 181.628
(<r2>)1/2 13.477