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

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-321.831164
Energy at 298.15K-321.840483
Nuclear repulsion energy247.900359
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 HF/6-311G**
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 3253 2956 63.43      
2 A 3248 2951 57.19      
3 A 3242 2945 32.12      
4 A 3236 2940 4.09      
5 A 3210 2916 4.97      
6 A 3176 2886 15.61      
7 A 3169 2879 18.83      
8 A 2008 1825 271.43      
9 A 1626 1477 5.95      
10 A 1612 1464 5.22      
11 A 1603 1457 0.40      
12 A 1599 1453 0.51      
13 A 1551 1409 29.39      
14 A 1543 1402 18.81      
15 A 1514 1375 28.85      
16 A 1484 1348 4.86      
17 A 1314 1194 32.13      
18 A 1293 1175 28.94      
19 A 1243 1129 20.18      
20 A 1121 1018 450.97      
21 A 1094 994 193.73      
22 A 1021 928 2.77      
23 A 1010 918 0.33      
24 A 941 855 0.19      
25 A 705 641 4.98      
26 A 524 476 0.82      
27 A 477 434 4.65      
28 A 355 323 0.10      
29 A 301 273 0.49      
30 A 244 221 0.39      
31 A 231 209 0.05      
32 A 170 154 1.11      
33 A 82 75 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 24599.7 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 22348.8 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 HF/6-311G**
ABC
0.25665 0.07447 0.06205

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.644 0.003 -1.398
C2 0.804 0.002 -0.326
H3 2.166 1.668 -0.334
H4 1.355 1.408 1.210
H5 0.481 2.128 -0.138
C6 1.227 1.389 0.133
H7 2.757 -0.885 -0.413
H8 1.442 -2.052 -0.292
H9 1.928 -1.126 1.123
C10 1.794 -1.085 0.047
O11 -0.435 -0.358 0.293
O12 -2.478 -0.133 0.160
N13 -1.489 0.134 -0.358

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.08432.49473.04702.47622.14562.49432.46663.04602.14342.03743.49162.3766
C21.08432.15152.15362.15831.51982.14622.15172.15281.51691.43083.32082.2973
H32.49472.15151.76351.75811.08562.62153.79063.16032.80393.35565.00543.9638
H43.04702.15361.76351.76131.08543.13933.77312.59932.78552.67644.26263.4884
H52.47622.15831.75811.76131.08483.78604.29233.77823.47602.68363.73532.8110
C62.14561.51981.08561.08541.08482.79413.47372.79222.53912.41554.00483.0311
H72.49432.14622.62153.13933.78602.79411.76251.76191.08523.31075.31934.3665
H82.46662.15173.79063.77314.29233.47371.76251.75921.08402.59534.38813.6574
H93.04602.15283.16032.59933.77822.79221.76191.75921.08502.61964.61803.9313
C102.14341.51692.80392.78553.47602.53911.08521.08401.08502.35754.37853.5255
O112.03741.43083.35562.67642.68362.41553.31072.59532.61962.35752.05981.3327
O123.49163.32085.00544.26263.73534.00485.31934.38814.61804.37852.05981.1478
N132.37662.29733.96383.48842.81103.03114.36653.65743.93133.52551.33271.1478

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 109.832 H1 C2 C10 109.859
H1 C2 O11 107.409 C2 C6 H3 110.219
C2 C6 H4 110.399 C2 C6 H5 110.816
C2 C10 H7 110.030 C2 C10 H8 110.546
C2 C10 H9 110.566 C2 O11 N13 112.416
H3 C6 H4 108.640 H3 C6 H5 108.196
H4 C6 H5 108.502 C6 C2 C10 113.472
C6 C2 O11 109.861 H7 C10 H8 108.685
H7 C10 H9 108.554 H8 C10 H9 108.402
C10 C2 O11 106.181 O11 N13 O12 112.066
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.104      
2 C 0.051      
3 H 0.094      
4 H 0.102      
5 H 0.103      
6 C -0.209      
7 H 0.094      
8 H 0.108      
9 H 0.104      
10 C -0.219      
11 O -0.382      
12 O -0.274      
13 N 0.324      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.010 0.507 -0.909 3.185
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.971 -0.467 0.375
y -0.467 -35.591 1.159
z 0.375 1.159 -36.401
Traceless
 xyz
x -3.975 -0.467 0.375
y -0.467 2.595 1.159
z 0.375 1.159 1.380
Polar
3z2-r22.760
x2-y2-4.380
xy-0.467
xz0.375
yz1.159


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.777 -0.001 -0.216
y -0.001 6.153 -0.074
z -0.216 -0.074 5.658


<r2> (average value of r2) Å2
<r2> 185.340
(<r2>)1/2 13.614