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

using model chemistry: PBEPBE/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 PBEPBE/6-31+G**
 hartrees
Energy at 0K-323.302453
Energy at 298.15K-323.311093
Nuclear repulsion energy240.213843
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 PBEPBE/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 3077 3042 20.60      
2 A 3076 3041 13.33      
3 A 3070 3035 35.81      
4 A 3065 3030 0.29      
5 A 2988 2954 14.14      
6 A 2984 2950 17.58      
7 A 2979 2945 13.39      
8 A 1694 1674 311.62      
9 A 1464 1447 10.09      
10 A 1450 1433 9.53      
11 A 1440 1424 0.53      
12 A 1435 1419 1.31      
13 A 1372 1356 10.46      
14 A 1358 1342 21.42      
15 A 1318 1303 29.33      
16 A 1315 1300 4.21      
17 A 1165 1152 11.04      
18 A 1128 1115 9.86      
19 A 1118 1105 25.50      
20 A 932 922 6.88      
21 A 918 907 0.01      
22 A 907 896 1.00      
23 A 869 859 48.53      
24 A 745 737 400.14      
25 A 569 562 40.16      
26 A 458 452 14.48      
27 A 418 413 4.37      
28 A 311 308 5.34      
29 A 276 273 1.06      
30 A 212 210 2.04      
31 A 203 201 0.05      
32 A 182 180 0.13      
33 A 48 48 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 22270.1 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 22016.2 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 PBEPBE/6-31+G**
ABC
0.24631 0.06848 0.05829

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.544 0.000 -1.368
C2 0.823 0.000 -0.297
H3 2.533 1.317 -0.507
H4 1.810 1.317 1.128
H5 0.990 2.170 -0.212
C6 1.582 1.279 0.050
H7 2.534 -1.315 -0.507
H8 0.992 -2.170 -0.213
H9 1.812 -1.316 1.128
C10 1.583 -1.279 0.050
O11 -0.429 -0.001 0.456
O12 -2.593 -0.000 0.153
N13 -1.566 0.000 -0.449

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.10642.53623.09312.49882.17342.53622.49893.09312.17342.06763.48612.3015
C21.10642.16862.17732.17841.52742.16862.17842.17731.52741.46143.44512.3938
H32.53622.16861.78721.78751.10272.63233.82373.18222.81953.38225.33314.3057
H43.09312.17731.78721.78821.10263.18223.82472.63352.81992.68404.69793.9522
H52.49882.17841.78751.78821.10133.82374.34063.82473.50942.67894.20483.3613
C62.17341.52741.10271.10261.10132.81953.50942.81992.55792.41834.36733.4341
H72.53622.16862.63233.18223.82372.81951.78751.78721.10273.38215.33404.3067
H82.49892.17843.82373.82474.34063.50941.78751.78821.10132.67874.20663.3634
H93.09312.17733.18222.63353.82472.81991.78721.78821.10262.68394.69893.9533
C102.17341.52742.81952.81993.50942.55791.10271.10131.10262.41824.36833.4353
O112.06761.46143.38222.68402.67892.41833.38212.67872.68392.41822.18441.4531
O123.48613.44515.33314.69794.20484.36735.33404.20664.69894.36832.18441.1902
N132.30152.39384.30573.95223.36133.43414.30673.36343.95333.43531.45311.1902

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 110.190 H1 C2 C10 110.191
H1 C2 O11 106.435 C2 C6 H3 110.032
C2 C6 H4 110.724 C2 C6 H5 110.893
C2 C10 H7 110.032 C2 C10 H8 110.893
C2 C10 H9 110.724 C2 O11 N13 110.435
H3 C6 H4 108.268 H3 C6 H5 108.386
H4 C6 H5 108.459 C6 C2 C10 113.723
C6 C2 O11 108.001 H7 C10 H8 108.386
H7 C10 H9 108.266 H8 C10 H9 108.459
C10 C2 O11 107.993 O11 N13 O12 111.066
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.171      
2 C 0.078      
3 H 0.174      
4 H 0.184      
5 H 0.182      
6 C -0.566      
7 H 0.174      
8 H 0.182      
9 H 0.184      
10 C -0.566      
11 O 0.006      
12 O 0.046      
13 N -0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.735 0.001 -0.820 2.855
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.150 -0.001 0.221
y -0.001 -35.394 0.003
z 0.221 0.003 -37.902
Traceless
 xyz
x -2.502 -0.001 0.221
y -0.001 3.132 0.003
z 0.221 0.003 -0.630
Polar
3z2-r2-1.260
x2-y2-3.757
xy-0.001
xz0.221
yz0.003


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.781 -0.000 0.091
y -0.000 7.494 -0.000
z 0.091 -0.000 7.104


<r2> (average value of r2) Å2
<r2> 196.421
(<r2>)1/2 14.015