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: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-322.744380
Energy at 298.15K 
HF Energy-321.752904
Nuclear repulsion energy244.600291
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
0.25363 0.07228 0.06075

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.645 0.007 -1.404
C2 0.814 0.003 -0.326
H3 2.178 1.672 -0.331
H4 1.364 1.398 1.217
H5 0.482 2.126 -0.134
C6 1.236 1.389 0.135
H7 2.772 -0.873 -0.426
H8 1.460 -2.052 -0.296
H9 1.949 -1.114 1.120
C10 1.811 -1.080 0.041
O11 -0.427 -0.368 0.312
O12 -2.516 -0.128 0.164
N13 -1.496 0.134 -0.380

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09112.50483.05302.47602.15132.50082.47613.05412.15142.05823.53122.3771
C21.09112.15562.15152.15721.52012.14792.15472.15131.51751.44393.36812.3141
H32.50482.15561.77031.76711.08912.61473.79323.14972.80103.37085.05173.9834
H43.05302.15151.77031.76951.08893.13713.76882.58162.77942.67284.30003.5106
H52.47602.15721.76711.76951.08823.78464.29423.77143.47502.69153.76242.8177
C62.15131.52011.08911.08891.08822.79123.47522.78262.53672.42524.04683.0498
H72.50082.14792.61473.13713.78462.79121.77001.76851.08853.32235.37304.3858
H82.47612.15473.79323.76884.29423.47521.77001.76771.08762.60124.44043.6773
H93.05412.15133.14972.58163.77142.78261.76851.76771.08862.61834.67163.9593
C102.15141.51752.80102.77943.47502.53671.08851.08761.08862.36474.43253.5482
O112.05821.44393.37082.67282.69152.42523.32232.60122.61832.36472.10781.3688
O123.53123.36815.05174.30003.76244.04685.37304.44044.67164.43252.10781.1850
N132.37712.31413.98343.51062.81773.04984.38583.67733.95933.54821.36881.1850

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 109.858 H1 C2 C10 110.044
H1 C2 O11 107.754 C2 C6 H3 110.317
C2 C6 H4 110.001 C2 C6 H5 110.492
C2 C10 H7 109.922 C2 C10 H8 110.523
C2 C10 H9 110.196 C2 O11 N13 110.695
H3 C6 H4 108.745 H3 C6 H5 108.503
H4 C6 H5 108.735 C6 C2 C10 113.249
C6 C2 O11 109.787 H7 C10 H8 108.862
H7 C10 H9 108.651 H8 C10 H9 108.643
C10 C2 O11 105.946 O11 N13 O12 111.053
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability