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

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-321.974128
Energy at 298.15K-321.982913
Nuclear repulsion energy243.978429
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 LSDA/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 3093 3036 12.28      
2 A 3093 3035 8.29      
3 A 3085 3027 20.11      
4 A 3081 3023 0.25      
5 A 2998 2942 7.51      
6 A 2996 2940 8.13      
7 A 2971 2915 10.57      
8 A 1761 1728 255.53      
9 A 1469 1441 9.79      
10 A 1453 1426 10.85      
11 A 1442 1415 0.52      
12 A 1437 1410 0.41      
13 A 1374 1348 16.93      
14 A 1370 1345 36.57      
15 A 1324 1300 0.21      
16 A 1323 1298 20.64      
17 A 1180 1158 12.46      
18 A 1159 1138 5.14      
19 A 1155 1133 38.14      
20 A 971 952 3.04      
21 A 926 908 0.62      
22 A 907 890 2.38      
23 A 906 889 112.54      
24 A 842 826 306.03      
25 A 600 588 22.40      
26 A 483 474 1.91      
27 A 427 419 3.83      
28 A 316 310 0.96      
29 A 286 281 1.66      
30 A 219 215 1.33      
31 A 208 205 0.09      
32 A 195 192 0.12      
33 A 51 50 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 22549.3 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 22127.6 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 LSDA/6-31G*
ABC
0.25378 0.07111 0.06049

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.512 -0.000 -1.366
C2 0.800 0.000 -0.295
H3 2.507 1.296 -0.503
H4 1.779 1.286 1.130
H5 0.964 2.153 -0.206
C6 1.553 1.257 0.050
H7 2.506 -1.297 -0.504
H8 0.963 -2.153 -0.205
H9 1.781 -1.286 1.130
C10 1.553 -1.257 0.050
O11 -0.424 -0.000 0.445
O12 -2.548 -0.000 0.152
N13 -1.525 0.000 -0.441

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.10952.53123.08092.48742.16102.53042.48763.08092.16082.03883.41602.2368
C21.10952.15352.15482.16131.50552.15362.16132.15501.50561.43003.37772.3290
H32.53122.15351.78771.79001.10332.59353.79103.14012.78163.34185.25964.2352
H43.08092.15481.78771.78931.10413.14233.77862.57222.77292.64104.61893.8774
H52.48742.16131.79001.78931.10233.79134.30653.77873.47072.64314.13503.2988
C62.16101.50551.10331.10411.10232.78243.47062.77242.51482.37574.29063.3602
H72.53042.15362.59353.14233.79132.78241.78991.78781.10323.34185.25924.2348
H82.48762.16133.79103.77864.30653.47061.78991.78921.10232.64224.13423.2985
H93.08092.15503.14012.57223.77872.77241.78781.78921.10412.64184.62013.8785
C102.16081.50562.78162.77293.47072.51481.10321.10231.10412.37574.29063.3604
O112.03881.43003.34182.64102.64312.37573.34182.64222.64182.37572.14461.4132
O123.41603.37775.25964.61894.13504.29065.25924.13424.62014.29062.14461.1829
N132.23682.32904.23523.87743.29883.36024.23483.29853.87853.36041.41321.1829

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 110.545 H1 C2 C10 110.526
H1 C2 O11 106.122 C2 C6 H3 110.327
C2 C6 H4 110.378 C2 C6 H5 111.002
C2 C10 H7 110.330 C2 C10 H8 110.993
C2 C10 H9 110.386 C2 O11 N13 110.000
H3 C6 H4 108.171 H3 C6 H5 108.500
H4 C6 H5 108.381 C6 C2 C10 113.273
C6 C2 O11 108.031 H7 C10 H8 108.497
H7 C10 H9 108.180 H8 C10 H9 108.373
C10 C2 O11 108.025 O11 N13 O12 111.088
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.176      
2 C 0.050      
3 H 0.182      
4 H 0.189      
5 H 0.191      
6 C -0.535      
7 H 0.182      
8 H 0.191      
9 H 0.189      
10 C -0.535      
11 O -0.280      
12 O -0.224      
13 N 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.676 0.000 -0.584 2.739
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.281 -0.000 0.106
y -0.000 -34.333 0.001
z 0.106 0.001 -36.618
Traceless
 xyz
x -2.805 -0.000 0.106
y -0.000 3.117 0.001
z 0.106 0.001 -0.311
Polar
3z2-r2-0.622
x2-y2-3.948
xy-0.000
xz0.106
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.191 0.000 0.009
y 0.000 6.227 0.000
z 0.009 0.000 5.860


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000