return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: M06-2X/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at M06-2X/cc-pVTZ
 hartrees
Energy at 0K-359.500135
Energy at 298.15K-359.508099
HF Energy-359.500135
Nuclear repulsion energy253.484103
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 M06-2X/cc-pVTZ
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' 3141 3000 9.39      
2 A' 3101 2961 6.76      
3 A' 3063 2925 7.49      
4 A' 1780 1701 511.64      
5 A' 1529 1461 1.69      
6 A' 1499 1432 6.76      
7 A' 1447 1382 51.40      
8 A' 1411 1348 81.22      
9 A' 1371 1309 171.30      
10 A' 1159 1107 20.69      
11 A' 1082 1033 99.38      
12 A' 987 942 187.23      
13 A' 923 882 46.96      
14 A' 753 719 3.96      
15 A' 598 572 3.85      
16 A' 393 376 2.35      
17 A' 234 224 0.34      
18 A" 3161 3019 18.61      
19 A" 3137 2996 0.25      
20 A" 1482 1416 7.01      
21 A" 1307 1248 1.34      
22 A" 1185 1132 4.38      
23 A" 833 796 10.95      
24 A" 813 776 6.87      
25 A" 224 214 0.67      
26 A" 112 107 0.08      
27 A" 99 95 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 18412.2 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 17585.5 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 M06-2X/cc-pVTZ
ABC
0.34019 0.07482 0.06277

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.096 -0.286 0.000
O2 0.000 0.550 0.000
O3 2.133 0.299 0.000
O4 0.893 -1.468 0.000
C5 -1.266 -0.138 0.000
C6 -2.316 0.946 0.000
H7 -1.324 -0.769 0.885
H8 -1.324 -0.769 -0.885
H9 -3.303 0.488 0.000
H10 -2.224 1.573 0.885
H11 -2.224 1.573 -0.885

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.37841.19081.19992.36683.62742.62222.62224.46673.90683.9068
O21.37842.14812.20711.44072.34932.06822.06823.30372.60332.6033
O31.19082.14812.15913.42744.49593.72583.72585.43984.62554.6255
O41.19992.20712.15912.53634.01602.48792.48794.62994.44454.4445
C52.36681.44073.42742.53631.50911.08861.08862.13102.15152.1515
C63.62742.34934.49594.01601.50912.17012.17011.08891.08831.0883
H72.62222.06823.72582.48791.08862.17011.76932.50562.50973.0707
H82.62222.06823.72582.48791.08862.17011.76932.50563.07072.5097
H94.46673.30375.43984.62992.13101.08892.50562.50561.76801.7680
H103.90682.60334.62554.44452.15151.08832.50973.07071.76801.7695
H113.90682.60334.62554.44452.15151.08833.07072.50971.76801.7695

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 114.171 O2 N1 O3 113.269
O2 N1 O4 117.585 O2 C5 C6 105.558
O2 C5 H7 108.917 O2 C5 H8 108.917
O3 N1 O4 129.146 C5 C6 H9 109.152
C5 C6 H10 110.822 C5 C6 H11 110.822
C6 C5 H7 112.305 C6 C5 H8 112.305
H7 C5 H8 108.713 H9 C6 H10 108.602
H9 C6 H11 108.602 H10 C6 H11 108.785
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.479      
2 O -0.200      
3 O -0.245      
4 O -0.275      
5 C -0.055      
6 C -0.327      
7 H 0.130      
8 H 0.130      
9 H 0.112      
10 H 0.125      
11 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.599 0.268 0.000 3.609
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.718 -0.073 0.000
y -0.073 -38.049 0.000
z 0.000 0.000 -33.236
Traceless
 xyz
x -0.076 -0.073 0.000
y -0.073 -3.571 0.000
z 0.000 0.000 3.647
Polar
3z2-r27.294
x2-y22.330
xy-0.073
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.551 -0.104 0.000
y -0.104 6.717 0.000
z 0.000 0.000 4.770


<r2> (average value of r2) Å2
<r2> 175.532
(<r2>)1/2 13.249