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All results from a given calculation for CH3CH(CH3)ONO (Isopropyl nitrite)

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-321.882447
Energy at 298.15K 
HF Energy-321.882447
Nuclear repulsion energy247.440407
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/Def2TZVPP
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 3249 2945 65.86      
2 A 3239 2936 51.31      
3 A 3237 2934 23.98      
4 A 3230 2928 1.03      
5 A 3214 2913 0.21      
6 A 3173 2876 12.26      
7 A 3167 2871 21.44      
8 A 1975 1790 279.16      
9 A 1625 1473 5.51      
10 A 1612 1461 5.90      
11 A 1603 1453 0.35      
12 A 1599 1449 0.27      
13 A 1552 1406 22.44      
14 A 1541 1396 14.58      
15 A 1509 1367 37.10      
16 A 1488 1348 3.19      
17 A 1317 1193 36.47      
18 A 1283 1163 20.94      
19 A 1243 1127 10.91      
20 A 1119 1014 414.45      
21 A 1079 978 318.94      
22 A 1018 923 0.01      
23 A 1010 915 0.36      
24 A 946 858 0.09      
25 A 704 638 5.81      
26 A 535 485 0.42      
27 A 456 413 5.04      
28 A 353 320 0.02      
29 A 321 291 0.58      
30 A 249 226 0.29      
31 A 233 211 0.02      
32 A 177 160 0.88      
33 A 53i 48i 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 24500.0 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 22206.8 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/Def2TZVPP
ABC
0.25500 0.07307 0.06155

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.558 0.000 -1.359
C2 0.793 0.000 -0.304
H3 2.490 1.308 -0.456
H4 1.727 1.304 1.127
H5 0.964 2.144 -0.212
C6 1.539 1.269 0.061
H7 2.492 -1.307 -0.456
H8 0.966 -2.144 -0.213
H9 1.728 -1.304 1.127
C10 1.540 -1.268 0.061
O11 -0.455 -0.001 0.407
O12 -2.489 -0.000 0.163
N13 -1.515 0.000 -0.432

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.08092.50213.04102.46492.14212.50232.46483.04102.14222.03553.40612.2708
C21.08092.14842.14962.15281.51662.14842.15282.14961.51661.43623.31572.3122
H32.50212.14841.75761.75721.08352.61483.78153.14812.79453.33675.18614.2141
H43.04102.14961.75761.75551.08303.14773.77712.60842.79132.64274.51813.8273
H52.46492.15281.75721.75551.08233.78154.28803.77713.47152.64534.08253.2852
C62.14211.51661.08351.08301.08232.79443.47152.79142.53742.38924.22513.3442
H72.50232.14842.61483.14773.78152.79441.75721.75761.08353.33665.18684.2150
H82.46482.15283.78153.77714.28803.47151.75721.75551.08232.64534.08403.2869
H93.04102.14963.14812.60843.77712.79141.75761.75551.08302.64254.51873.8280
C102.14221.51662.79452.79133.47152.53741.08351.08231.08302.38914.22593.3452
O112.03551.43623.33672.64272.64532.38923.33662.64532.64252.38912.04921.3525
O123.40613.31575.18614.51814.08254.22515.18684.08404.51874.22592.04921.1416
N132.27082.31224.21413.82733.28523.34424.21503.28693.82803.34521.35251.1416

picture of Isopropyl nitrite state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C6 109.987 H1 C2 C10 109.988
H1 C2 O11 107.085 C2 C6 H3 110.327
C2 C6 H4 110.458 C2 C6 H5 110.756
C2 C10 H7 110.328 C2 C10 H8 110.756
C2 C10 H9 110.457 C2 O11 N13 111.980
H3 C6 H4 108.433 H3 C6 H5 108.451
H4 C6 H5 108.342 C6 C2 C10 113.558
C6 C2 O11 107.993 H7 C10 H8 108.452
H7 C10 H9 108.432 H8 C10 H9 108.342
C10 C2 O11 107.987 O11 N13 O12 110.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.041      
2 C 0.241      
3 H 0.053      
4 H 0.065      
5 H 0.066      
6 C -0.180      
7 H 0.053      
8 H 0.066      
9 H 0.065      
10 C -0.179      
11 O -0.252      
12 O -0.311      
13 N 0.271      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.085 0.002 -0.931 3.222
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.157 -0.003 0.373
y -0.003 -34.823 0.006
z 0.373 0.006 -37.071
Traceless
 xyz
x -4.210 -0.003 0.373
y -0.003 3.791 0.006
z 0.373 0.006 0.419
Polar
3z2-r20.838
x2-y2-5.334
xy-0.003
xz0.373
yz0.006


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.401 0.000 -0.141
y 0.000 6.730 -0.000
z -0.141 -0.000 6.239


<r2> (average value of r2) Å2
<r2> 187.265
(<r2>)1/2 13.684