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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-359.238534
Energy at 298.15K-359.246234
HF Energy-359.238534
Nuclear repulsion energy246.407965
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 B3PW91/6-31G
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' 3162 3028 13.79      
2 A' 3098 2967 6.61      
3 A' 3075 2945 11.58      
4 A' 1621 1552 269.47      
5 A' 1552 1486 6.87      
6 A' 1540 1475 11.51      
7 A' 1461 1399 11.70      
8 A' 1407 1348 1.20      
9 A' 1248 1195 220.19      
10 A' 1155 1106 15.86      
11 A' 1042 998 41.82      
12 A' 904 865 50.78      
13 A' 822 788 198.24      
14 A' 676 648 30.59      
15 A' 538 515 1.06      
16 A' 362 347 0.69      
17 A' 212 203 0.70      
18 A" 3183 3048 26.15      
19 A" 3155 3022 2.43      
20 A" 1527 1462 10.83      
21 A" 1299 1244 0.00      
22 A" 1189 1139 6.23      
23 A" 849 813 2.02      
24 A" 717 687 12.88      
25 A" 244 233 0.66      
26 A" 126 120 2.38      
27 A" 68 65 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 18114.8 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 17348.5 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 B3PW91/6-31G
ABC
0.31988 0.07101 0.05941

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.120 -0.336 0.000
O2 0.000 0.583 0.000
O3 2.211 0.232 0.000
O4 0.862 -1.552 0.000
C5 -1.319 -0.089 0.000
C6 -2.327 1.042 0.000
H7 -1.391 -0.720 0.890
H8 -1.391 -0.720 -0.890
H9 -3.339 0.625 0.000
H10 -2.211 1.670 0.888
H11 -2.211 1.670 -0.888

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.44881.22991.24242.45153.71202.69102.69104.56173.98893.9889
O21.44882.23822.30181.48032.37152.10312.10313.33962.61922.6192
O31.22992.23822.23633.54424.60893.82973.82975.56374.73384.7338
O41.24242.30182.23632.62584.11022.56052.56054.73164.53994.5399
C52.45151.48033.54422.62581.51491.09321.09322.14282.16292.1629
C63.71202.37154.60894.11021.51492.18492.18491.09521.09321.0932
H72.69102.10313.82972.56051.09322.18491.77962.52972.52693.0895
H82.69102.10313.82972.56051.09322.18491.77962.52973.08952.5269
H94.56173.33965.56374.73162.14281.09522.52972.52971.77521.7752
H103.98892.61924.73384.53992.16291.09322.52693.08951.77521.7755
H113.98892.61924.73384.53992.16291.09323.08952.52691.77521.7755

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 113.632 O2 N1 O3 113.093
O2 N1 O4 117.382 O2 C5 C6 104.697
O2 C5 H7 108.681 O2 C5 H8 108.681
O3 N1 O4 129.525 C5 C6 H9 109.310
C5 C6 H10 111.018 C5 C6 H11 111.018
C6 C5 H7 112.802 C6 C5 H8 112.802
H7 C5 H8 108.968 H9 C6 H10 108.417
H9 C6 H11 108.417 H10 C6 H11 108.586
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.445      
2 O -0.345      
3 O -0.238      
4 O -0.263      
5 C -0.084      
6 C -0.498      
7 H 0.205      
8 H 0.205      
9 H 0.182      
10 H 0.195      
11 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.808 0.193 0.000 3.813
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.056 -0.432 0.000
y -0.432 -38.468 0.000
z 0.000 0.000 -33.253
Traceless
 xyz
x 0.804 -0.432 0.000
y -0.432 -4.314 0.000
z 0.000 0.000 3.509
Polar
3z2-r27.019
x2-y23.412
xy-0.432
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.370 -0.170 0.000
y -0.170 6.178 0.000
z 0.000 0.000 3.853


<r2> (average value of r2) Å2
<r2> 183.689
(<r2>)1/2 13.553