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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-322.684628
Energy at 298.15K-322.693660
HF Energy-321.741433
Nuclear repulsion energy244.422697
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 MP3/6-31G*
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 3202 3005 18.21      
2 A 3196 3000 32.97      
3 A 3193 2997 17.33      
4 A 3189 2993 3.80      
5 A 3123 2931 12.09      
6 A 3112 2921 9.47      
7 A 3106 2915 10.03      
8 A 1806 1695 154.23      
9 A 1567 1471 7.94      
10 A 1555 1459 5.21      
11 A 1545 1450 0.43      
12 A 1543 1448 0.94      
13 A 1481 1390 18.95      
14 A 1472 1382 22.43      
15 A 1431 1343 20.17      
16 A 1417 1330 16.47      
17 A 1255 1178 17.79      
18 A 1232 1156 23.70      
19 A 1202 1128 13.94      
20 A 1034 970 29.89      
21 A 989 929 33.87      
22 A 968 909 368.22      
23 A 964 904 55.33      
24 A 908 853 45.15      
25 A 653 613 0.66      
26 A 502 471 0.09      
27 A 453 425 4.26      
28 A 338 317 0.07      
29 A 292 274 0.46      
30 A 239 224 0.26      
31 A 229 215 0.24      
32 A 167 157 0.46      
33 A 57 53 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 23708.4 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 22252.7 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 MP3/6-31G*
ABC
0.25307 0.07235 0.06074

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.625 0.004 -1.403
C2 0.815 0.004 -0.324
H3 2.201 1.664 -0.343
H4 1.387 1.399 1.217
H5 0.501 2.135 -0.137
C6 1.253 1.388 0.131
H7 2.768 -0.900 -0.446
H8 1.433 -2.066 -0.295
H9 1.955 -1.125 1.117
C10 1.804 -1.092 0.034
O11 -0.425 -0.349 0.337
O12 -2.522 -0.122 0.163
N13 -1.504 0.124 -0.394

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09572.52193.06362.48172.15862.51472.48303.06492.15802.06243.51682.3587
C21.09572.16222.15532.16261.52102.15492.16032.15621.51881.44913.37462.3236
H32.52192.16221.77901.77601.09452.62753.80833.15782.80993.37785.07394.0125
H43.06362.15531.77901.77711.09423.15543.78092.58932.78912.66714.32413.5466
H52.48172.16261.77601.77711.09383.80084.30643.78383.48492.69343.78412.8517
C62.15861.52101.09451.09421.09382.80343.48462.78942.54232.42424.06573.0784
H72.51472.15492.62753.15543.80082.80341.77881.77671.09413.33355.38104.3931
H82.48302.16033.80833.78094.30643.48461.77881.77561.09292.60804.43083.6651
H93.06492.15623.15782.58933.78382.78941.77671.77561.09402.62214.68563.9760
C102.15801.51882.80992.78913.48492.54231.09411.09291.09402.36924.43503.5504
O112.06241.44913.37782.66712.69342.42423.33352.60802.62212.36922.11591.3865
O123.51683.37465.07394.32413.78414.06575.38104.43084.68564.43502.11591.1859
N132.35872.32364.01253.54662.85173.07844.39313.66513.97603.55041.38651.1859

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 110.103 H1 C2 C10 110.208
H1 C2 O11 107.470 C2 C6 H3 110.457
C2 C6 H4 109.929 C2 C6 H5 110.536
C2 C10 H7 110.058 C2 C10 H8 110.559
C2 C10 H9 110.162 C2 O11 N13 110.040
H3 C6 H4 108.739 H3 C6 H5 108.506
H4 C6 H5 108.622 C6 C2 C10 113.509
C6 C2 O11 109.392 H7 C10 H8 108.855
H7 C10 H9 108.582 H8 C10 H9 108.577
C10 C2 O11 105.906 O11 N13 O12 110.435
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability