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

using model chemistry: MP2/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-322.739802
Energy at 298.15K-322.748634
HF Energy-321.763381
Nuclear repulsion energy242.160510
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 MP2/cc-pVDZ
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 3196 3044 19.69      
2 A 3194 3042 11.98      
3 A 3191 3040 33.78      
4 A 3186 3035 0.17      
5 A 3098 2951 11.49      
6 A 3087 2940 10.90      
7 A 3085 2938 15.63      
8 A 1661 1582 153.42      
9 A 1505 1434 6.32      
10 A 1490 1419 6.16      
11 A 1482 1412 0.12      
12 A 1477 1407 0.13      
13 A 1413 1346 16.44      
14 A 1411 1344 22.98      
15 A 1373 1308 31.32      
16 A 1364 1299 2.16      
17 A 1211 1154 20.65      
18 A 1184 1128 7.68      
19 A 1176 1120 26.79      
20 A 998 951 17.82      
21 A 949 904 0.12      
22 A 932 888 0.48      
23 A 909 866 62.15      
24 A 805 767 537.65      
25 A 599 570 61.17      
26 A 484 461 15.14      
27 A 427 406 5.13      
28 A 319 304 5.90      
29 A 298 284 0.97      
30 A 229 218 2.07      
31 A 221 210 0.01      
32 A 185 176 0.32      
33 A 18 17 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 23077.8 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 21981.6 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 MP2/cc-pVDZ
ABC
0.24872 0.07005 0.05953

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.531 -0.000 -1.367
C2 0.804 -0.000 -0.296
H3 2.519 1.313 -0.507
H4 1.789 1.302 1.128
H5 0.969 2.161 -0.209
C6 1.567 1.272 0.049
H7 2.519 -1.313 -0.507
H8 0.970 -2.161 -0.209
H9 1.789 -1.302 1.128
C10 1.567 -1.272 0.049
O11 -0.430 -0.000 0.457
O12 -2.565 -0.000 0.149
N13 -1.536 0.000 -0.444

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.10552.53343.08302.49092.16722.53332.49093.08292.16722.06103.44702.2636
C21.10552.17012.16642.16941.52302.17012.16942.16641.52301.44523.39872.3453
H32.53342.17011.79061.79101.10282.62653.81593.16972.81073.36855.29174.2631
H43.08302.16641.79061.78821.10273.16963.80202.60432.80052.65864.64893.9020
H52.49092.16941.79101.78821.10153.81594.32273.80203.49482.65954.15863.3176
C62.16721.52301.10281.10271.10152.81073.49482.80062.54482.40254.32483.3901
H72.53332.17012.62653.16963.81592.81071.79101.79061.10283.36855.29194.2633
H82.49092.16943.81593.80204.32273.49481.79101.78821.10152.65954.15903.3180
H93.08292.16643.16972.60433.80202.80061.79061.78821.10272.65864.64913.9022
C102.16721.52302.81072.80053.49482.54481.10281.10151.10272.40254.32503.3903
O112.06101.44523.36852.65862.65952.40253.36852.65952.65862.40252.15781.4273
O123.44703.39875.29174.64894.15864.32485.29194.15904.64914.32502.15781.1875
N132.26362.34534.26313.90203.31763.39014.26333.31803.90223.39031.42731.1875

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 110.064 H1 C2 C10 110.061
H1 C2 O11 107.056 C2 C6 H3 110.455
C2 C6 H4 110.165 C2 C6 H5 110.471
C2 C10 H7 110.454 C2 C10 H8 110.471
C2 C10 H9 110.167 C2 O11 N13 109.468
H3 C6 H4 108.564 H3 C6 H5 108.683
H4 C6 H5 108.446 C6 C2 C10 113.327
C6 C2 O11 108.050 H7 C10 H8 108.681
H7 C10 H9 108.565 H8 C10 H9 108.446
C10 C2 O11 108.050 O11 N13 O12 110.888
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability