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 CH3CH(CH3)ONO (Isopropyl nitrite)

using model chemistry: B3LYP/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 B3LYP/Def2TZVPP
 hartrees
Energy at 0K-323.783424
Energy at 298.15K-323.792244
HF Energy-323.783424
Nuclear repulsion energy243.012107
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/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 3113 2997 27.32      
2 A 3111 2994 16.05      
3 A 3109 2993 41.87      
4 A 3101 2985 0.22      
5 A 3048 2934 6.87      
6 A 3040 2926 12.33      
7 A 3036 2923 15.17      
8 A 1740 1675 277.00      
9 A 1510 1453 7.39      
10 A 1497 1441 6.53      
11 A 1488 1433 0.38      
12 A 1483 1428 0.85      
13 A 1425 1371 9.08      
14 A 1409 1356 14.70      
15 A 1373 1322 31.22      
16 A 1372 1321 5.11      
17 A 1209 1163 15.68      
18 A 1160 1117 20.33      
19 A 1156 1113 10.89      
20 A 974 938 7.65      
21 A 948 913 0.13      
22 A 940 905 0.42      
23 A 891 857 79.23      
24 A 795 766 506.86      
25 A 614 591 21.60      
26 A 480 462 7.35      
27 A 429 413 4.31      
28 A 325 313 2.89      
29 A 288 277 1.11      
30 A 223 215 1.30      
31 A 211 203 0.03      
32 A 183 176 0.30      
33 A 34 33 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 22857.3 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 22002.4 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/Def2TZVPP
ABC
0.25063 0.07007 0.05947

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.560 0.000 -1.360
C2 0.818 -0.000 -0.299
H3 2.521 1.312 -0.480
H4 1.779 1.311 1.125
H5 0.990 2.155 -0.214
C6 1.571 1.273 0.055
H7 2.522 -1.311 -0.481
H8 0.991 -2.155 -0.215
H9 1.780 -1.311 1.124
C10 1.572 -1.273 0.054
O11 -0.440 -0.000 0.433
O12 -2.567 -0.001 0.155
N13 -1.552 0.001 -0.438

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09162.51753.06212.47852.15492.51762.47843.06212.15502.05243.47482.3044
C21.09162.15742.16102.16391.52132.15742.16392.16101.52131.45493.41522.3736
H32.51752.15741.76821.76811.09072.62243.79873.16302.80503.36475.29284.2787
H43.06212.16101.76821.76821.09073.16273.79872.62242.80502.66894.64233.9055
H52.47852.16391.76811.76821.08973.79874.31063.79883.48782.66654.17593.3396
C62.15491.52131.09071.09071.08972.80493.48782.80512.54672.41044.33123.4081
H72.51762.15742.62243.16273.79872.80491.76811.76821.09073.36475.29314.2795
H82.47842.16393.79873.79874.31063.48781.76811.76821.08972.66644.17633.3414
H93.06212.16103.16302.62243.79882.80511.76821.76821.09072.66874.64233.9062
C102.15501.52132.80502.80503.48782.54671.09071.08971.09072.41044.33143.4091
O112.05241.45493.36472.66892.66652.41043.36472.66642.66872.41042.14541.4120
O123.47483.41525.29284.64234.17594.33125.29314.17634.64234.33142.14541.1757
N132.30442.37364.27873.90553.33963.40814.27953.34143.90623.40911.41201.1757

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 110.035 H1 C2 C10 110.037
H1 C2 O11 106.537 C2 C6 H3 110.279
C2 C6 H4 110.566 C2 C6 H5 110.859
C2 C10 H7 110.280 C2 C10 H8 110.859
C2 C10 H9 110.565 C2 O11 N13 111.762
H3 C6 H4 108.308 H3 C6 H5 108.374
H4 C6 H5 108.376 C6 C2 C10 113.648
C6 C2 O11 108.153 H7 C10 H8 108.374
H7 C10 H9 108.307 H8 C10 H9 108.376
C10 C2 O11 108.148 O11 N13 O12 111.676
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.065      
2 C 0.143      
3 H 0.076      
4 H 0.086      
5 H 0.090      
6 C -0.239      
7 H 0.076      
8 H 0.090      
9 H 0.086      
10 C -0.239      
11 O -0.187      
12 O -0.170      
13 N 0.123      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.691 0.001 -0.790 2.805
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.294 -0.001 0.239
y -0.001 -35.150 0.002
z 0.239 0.002 -37.429
Traceless
 xyz
x -3.005 -0.001 0.239
y -0.001 3.212 0.002
z 0.239 0.002 -0.207
Polar
3z2-r2-0.413
x2-y2-4.144
xy-0.001
xz0.239
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.941 -0.000 0.023
y -0.000 7.311 -0.000
z 0.023 -0.000 6.755


<r2> (average value of r2) Å2
<r2> 192.810
(<r2>)1/2 13.886