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

using model chemistry: B3LYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-321.851020
Energy at 298.15K-321.859702
Nuclear repulsion energy237.492218
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 B3LYP/3-21G*
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 3139 3020 28.81      
2 A 3134 3015 13.41      
3 A 3132 3013 31.23      
4 A 3126 3008 1.93      
5 A 3071 2955 5.60      
6 A 3063 2947 10.21      
7 A 3060 2943 12.59      
8 A 1574 1515 13.12      
9 A 1560 1501 9.30      
10 A 1553 1494 0.99      
11 A 1546 1488 1.36      
12 A 1469 1413 41.43      
13 A 1464 1409 87.22      
14 A 1452 1396 12.69      
15 A 1402 1349 10.86      
16 A 1351 1300 57.12      
17 A 1232 1185 21.79      
18 A 1170 1125 29.34      
19 A 1159 1115 13.14      
20 A 985 947 1.59      
21 A 960 924 0.01      
22 A 932 896 16.02      
23 A 876 842 142.57      
24 A 825 794 263.35      
25 A 555 534 3.94      
26 A 470 452 0.57      
27 A 401 386 5.57      
28 A 316 304 0.22      
29 A 272 262 0.91      
30 A 211 203 0.02      
31 A 205 198 0.80      
32 A 169 163 0.50      
33 A 40 39 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 22937.6 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 22066.0 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 B3LYP/3-21G*
ABC
0.24369 0.06662 0.05713

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.538 -0.000 -1.362
C2 0.836 0.000 -0.308
H3 2.541 1.324 -0.517
H4 1.822 1.296 1.114
H5 0.998 2.159 -0.203
C6 1.600 1.280 0.042
H7 2.542 -1.323 -0.517
H8 0.999 -2.159 -0.204
H9 1.822 -1.296 1.114
C10 1.601 -1.279 0.042
O11 -0.414 -0.000 0.501
O12 -2.634 -0.000 0.146
N13 -1.586 -0.000 -0.467

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09552.54543.07562.49312.17702.54552.49303.07562.17702.09203.51242.3045
C21.09552.16882.16182.16771.53132.16872.16772.16181.53131.48883.49982.4268
H32.54542.16881.78261.78211.09512.64703.82183.16862.82373.39445.38284.3340
H43.07562.16181.78261.77761.09443.16813.78842.59182.79822.65654.74073.9737
H52.49312.16771.78211.77761.09403.82174.31823.78833.49962.67474.24003.3773
C62.17701.53131.09511.09441.09402.82353.49962.79832.55902.43054.42513.4711
H72.54552.16872.64703.16813.82172.82351.78211.78271.09513.39435.38344.3345
H82.49302.16773.82183.78844.31823.49961.78211.77761.09402.67484.24123.3783
H93.07562.16183.16862.59183.78832.79831.78271.77761.09442.65624.74103.9740
C102.17701.53132.82372.79823.49962.55901.09511.09401.09442.43054.42573.4716
O112.09201.48883.39442.65652.67472.43053.39432.67482.65622.43052.24831.5195
O123.51243.49985.38284.74074.24004.42515.38344.24124.74104.42572.24831.2146
N132.30452.42684.33403.97373.37733.47114.33453.37833.97403.47161.51951.2146

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 110.852 H1 C2 C10 110.851
H1 C2 O11 107.109 C2 C6 H3 110.228
C2 C6 H4 109.722 C2 C6 H5 110.206
C2 C10 H7 110.225 C2 C10 H8 110.206
C2 C10 H9 109.718 C2 O11 N13 107.550
H3 C6 H4 109.018 H3 C6 H5 108.992
H4 C6 H5 108.641 C6 C2 C10 113.353
C6 C2 O11 107.173 H7 C10 H8 108.996
H7 C10 H9 109.020 H8 C10 H9 108.643
C10 C2 O11 107.168 O11 N13 O12 110.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.207      
2 C -0.016      
3 H 0.191      
4 H 0.207      
5 H 0.203      
6 C -0.545      
7 H 0.191      
8 H 0.203      
9 H 0.207      
10 C -0.545      
11 O -0.346      
12 O -0.254      
13 N 0.296      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.302 0.001 -0.979 2.501
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.111 0.000 0.609
y 0.000 -34.484 0.001
z 0.609 0.001 -36.758
Traceless
 xyz
x -2.490 0.000 0.609
y 0.000 2.951 0.001
z 0.609 0.001 -0.461
Polar
3z2-r2-0.922
x2-y2-3.627
xy0.000
xz0.609
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.829 -0.001 -0.017
y -0.001 5.405 -0.001
z -0.017 -0.001 5.181


<r2> (average value of r2) Å2
<r2> 199.119
(<r2>)1/2 14.111