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

using model chemistry: MP3=FULL/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=FULL/6-31+G**
 hartrees
Energy at 0K-322.787015
Energy at 298.15K-322.796055
HF Energy-321.761779
Nuclear repulsion energy244.718496
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=FULL/6-31+G**
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 3234 3013 21.30      
2 A 3227 3006 31.79      
3 A 3225 3004 25.79      
4 A 3219 2999 3.89      
5 A 3160 2944 11.75      
6 A 3137 2922 12.84      
7 A 3131 2916 13.92      
8 A 1799 1676 180.97      
9 A 1561 1454 7.61      
10 A 1550 1444 5.47      
11 A 1540 1434 0.26      
12 A 1537 1432 1.21      
13 A 1479 1378 18.60      
14 A 1469 1369 19.42      
15 A 1427 1329 26.37      
16 A 1413 1317 13.85      
17 A 1250 1164 16.77      
18 A 1226 1142 19.97      
19 A 1197 1115 12.58      
20 A 1031 960 38.49      
21 A 986 918 16.75      
22 A 964 898 13.49      
23 A 955 889 452.82      
24 A 907 845 63.35      
25 A 651 607 0.54      
26 A 499 465 0.11      
27 A 451 420 4.58      
28 A 337 314 0.23      
29 A 290 271 0.48      
30 A 235 219 0.49      
31 A 224 209 0.15      
32 A 164 153 0.43      
33 A 61 57 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 23767.2 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 22141.5 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=FULL/6-31+G**
ABC
0.25439 0.07230 0.06074

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.649 0.004 -1.404
C2 0.818 0.003 -0.328
H3 2.183 1.667 -0.333
H4 1.370 1.398 1.215
H5 0.489 2.127 -0.136
C6 1.240 1.388 0.134
H7 2.774 -0.869 -0.422
H8 1.464 -2.052 -0.295
H9 1.949 -1.113 1.122
C10 1.813 -1.079 0.043
O11 -0.426 -0.368 0.310
O12 -2.525 -0.122 0.162
N13 -1.499 0.128 -0.375

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09022.50333.05392.47872.15232.49932.47403.05322.15042.05723.54122.3853
C21.09022.15192.15182.15791.51932.14432.15442.15101.51641.44613.38042.3209
H32.50332.15191.76941.76611.08872.60563.78753.14622.79603.37065.06033.9911
H43.05392.15181.76941.76971.08883.12953.76712.57852.77622.67664.31103.5175
H52.47872.15791.76611.76971.08793.77924.29423.76993.47362.69533.77282.8304
C62.15231.51931.08871.08881.08792.78523.47342.78052.53422.42694.05633.0579
H72.49932.14432.60563.12953.77922.78521.76941.76761.08803.32085.38304.3885
H82.47402.15443.78753.76714.29423.47341.76941.76801.08732.60244.45433.6792
H93.05322.15103.14622.57853.76992.78051.76761.76801.08832.61834.68143.9585
C102.15041.51642.79602.77623.47362.53421.08801.08731.08832.36444.44353.5500
O112.05721.44613.37062.67662.69532.42693.32082.60242.61832.36442.11801.3660
O123.54123.38045.06034.31103.77284.05635.38304.45434.68144.44352.11801.1840
N132.38532.32093.99113.51752.83043.05794.38853.67923.95853.55001.36601.1840

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 110.046 H1 C2 C10 110.101
H1 C2 O11 107.583 C2 C6 H3 110.105
C2 C6 H4 110.091 C2 C6 H5 110.632
C2 C10 H7 109.744 C2 C10 H8 110.595
C2 C10 H9 110.267 C2 O11 N13 111.210
H3 C6 H4 108.706 H3 C6 H5 108.467
H4 C6 H5 108.790 C6 C2 C10 113.187
C6 C2 O11 109.826 H7 C10 H8 108.855
H7 C10 H9 108.617 H8 C10 H9 108.717
C10 C2 O11 105.876 O11 N13 O12 112.120
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability