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

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-357.499997
Energy at 298.15K-357.507648
HF Energy-357.499997
Nuclear repulsion energy243.939393
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/3-21G
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' 3139 3029 13.43      
2 A' 3094 2985 5.60      
3 A' 3072 2964 9.03      
4 A' 1576 1521 6.51      
5 A' 1564 1509 7.61      
6 A' 1464 1413 9.31      
7 A' 1428 1378 169.06      
8 A' 1389 1340 7.95      
9 A' 1149 1109 24.46      
10 A' 1110 1071 215.04      
11 A' 1000 965 46.66      
12 A' 894 862 57.33      
13 A' 820 792 112.91      
14 A' 653 630 4.26      
15 A' 502 484 0.90      
16 A' 364 351 2.44      
17 A' 217 209 0.36      
18 A" 3160 3049 28.11      
19 A" 3134 3024 1.18      
20 A" 1552 1497 8.67      
21 A" 1304 1258 0.14      
22 A" 1179 1138 4.62      
23 A" 859 829 1.94      
24 A" 662 638 14.37      
25 A" 246 238 0.53      
26 A" 126 122 1.75      
27 A" 76 73 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 17864.7 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 17237.6 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/3-21G
ABC
0.31142 0.07035 0.05866

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.130 -0.340 0.000
O2 0.000 0.635 0.000
O3 2.252 0.211 0.000
O4 0.813 -1.563 0.000
C5 -1.303 -0.088 0.000
C6 -2.345 1.030 0.000
H7 -1.369 -0.717 0.889
H8 -1.369 -0.717 -0.889
H9 -3.349 0.592 0.000
H10 -2.231 1.655 0.889
H11 -2.231 1.655 -0.889

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.49271.24981.26342.44643.73572.68002.68004.57494.00864.0086
O21.49272.29202.34321.48982.37812.11992.11993.34882.60922.6092
O31.24982.29202.28433.56784.66993.84303.84305.61394.79334.7933
O41.26342.34322.28432.57934.08602.50372.50374.68634.51784.5178
C52.44641.48983.56782.57931.52811.09171.09172.15562.16542.1654
C63.73572.37814.66994.08601.52812.18982.18981.09481.09291.0929
H72.68002.11993.84302.50371.09172.18981.77892.53422.52403.0876
H82.68002.11993.84302.50371.09172.18981.77892.53423.08762.5240
H94.57493.34885.61394.68632.15561.09482.53422.53421.78051.7805
H104.00862.60924.79334.51782.16541.09292.52403.08761.78051.7779
H114.00862.60924.79334.51782.16541.09293.08762.52401.78051.7779

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 110.219 O2 N1 O3 113.082
O2 N1 O4 116.216 O2 C5 C6 103.994
O2 C5 H7 109.441 O2 C5 H8 109.441
O3 N1 O4 130.702 C5 C6 H9 109.431
C5 C6 H10 110.313 C5 C6 H11 110.313
C6 C5 H7 112.348 C6 C5 H8 112.348
H7 C5 H8 109.121 H9 C6 H10 108.948
H9 C6 H11 108.948 H10 C6 H11 108.856
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.513      
2 O -0.313      
3 O -0.262      
4 O -0.280      
5 C -0.164      
6 C -0.585      
7 H 0.223      
8 H 0.223      
9 H 0.207      
10 H 0.219      
11 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.144 0.091 0.000 3.146
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.482 -0.454 0.000
y -0.454 -37.501 0.000
z 0.000 0.000 -33.017
Traceless
 xyz
x 0.777 -0.454 0.000
y -0.454 -3.751 0.000
z 0.000 0.000 2.975
Polar
3z2-r25.949
x2-y23.019
xy-0.454
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.117 -0.246 0.000
y -0.246 5.688 0.000
z 0.000 0.000 3.522


<r2> (average value of r2) Å2
<r2> 185.135
(<r2>)1/2 13.606