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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-323.598739
Energy at 298.15K-323.607579
Nuclear repulsion energy243.505715
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 B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3131 3014 33.60      
2 A 3128 3011 18.71      
3 A 3127 3011 51.31      
4 A 3120 3004 0.28      
5 A 3056 2942 9.33      
6 A 3050 2936 13.05      
7 A 3046 2932 19.22      
8 A 1786 1720 280.53      
9 A 1522 1465 10.36      
10 A 1507 1451 7.97      
11 A 1497 1441 0.55      
12 A 1492 1437 0.89      
13 A 1427 1374 15.13      
14 A 1414 1361 23.74      
15 A 1384 1332 27.05      
16 A 1370 1319 3.34      
17 A 1212 1166 16.76      
18 A 1173 1129 28.99      
19 A 1168 1125 9.98      
20 A 990 953 7.61      
21 A 950 915 0.01      
22 A 939 904 1.02      
23 A 904 870 115.52      
24 A 825 795 447.69      
25 A 618 595 22.08      
26 A 484 466 4.83      
27 A 430 414 4.67      
28 A 324 312 1.99      
29 A 289 278 0.98      
30 A 223 214 0.97      
31 A 208 201 0.05      
32 A 185 178 0.36      
33 A 36 35 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 23006.4 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 22148.3 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 B3PW91/6-311G*
ABC
0.25059 0.07063 0.05988

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.542 -0.000 -1.360
C2 -0.808 -0.000 -0.296
H3 -2.511 -1.314 -0.490
H4 -1.778 -1.312 1.123
H5 -0.977 -2.154 -0.212
C6 -1.562 -1.270 0.052
H7 -2.511 1.315 -0.489
H8 -0.976 2.154 -0.213
H9 -1.776 1.313 1.124
C10 -1.561 1.271 0.052
O11 0.435 -0.000 0.438
O12 2.549 0.000 0.153
N13 1.540 -0.000 -0.437

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09612.52143.06792.47892.15562.52202.47853.06782.15572.04653.44172.2776
C21.09612.15942.16242.16231.51792.15972.16242.16241.51801.44403.38702.3521
H32.52142.15941.77181.77131.09372.62823.80263.16872.80643.35655.26724.2588
H43.06792.16241.77181.77081.09343.16753.80042.62452.80442.66214.62443.8938
H52.47892.16231.77131.77081.09253.80284.30843.80043.48472.65624.14793.3202
C62.15561.51791.09371.09341.09252.80623.48472.80482.54142.39814.30413.3874
H72.52202.15972.62823.16753.80282.80621.77131.77191.09373.35675.26704.2589
H82.47852.16243.80263.80044.30843.48471.77131.77081.09252.65664.14713.3195
H93.06782.16243.16872.62453.80042.80481.77191.77081.09342.66164.62303.8928
C102.15571.51802.80642.80443.48472.54141.09371.09251.09342.39824.30353.3870
O112.04651.44403.35652.66212.65622.39813.35672.65662.66162.39822.13301.4093
O123.44173.38705.26724.62444.14794.30415.26704.14714.62304.30352.13301.1689
N132.27762.35214.25883.89383.32023.38744.25893.31953.89283.38701.40931.1689

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 110.059 H1 C2 C10 110.055
H1 C2 O11 106.552 C2 C6 H3 110.509
C2 C6 H4 110.761 C2 C6 H5 110.811
C2 C10 H7 110.523 C2 C10 H8 110.806
C2 C10 H9 110.753 C2 O11 N13 111.041
H3 C6 H4 108.218 H3 C6 H5 108.236
H4 C6 H5 108.211 C6 C2 C10 113.680
C6 C2 O11 108.104 H7 C10 H8 108.235
H7 C10 H9 108.222 H8 C10 H9 108.207
C10 C2 O11 108.105 O11 N13 O12 111.314
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.217      
2 C -0.086      
3 H 0.224      
4 H 0.232      
5 H 0.232      
6 C -0.631      
7 H 0.224      
8 H 0.232      
9 H 0.232      
10 C -0.631      
11 O -0.261      
12 O -0.182      
13 N 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.586 0.000 -0.802 2.707
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.767 -0.000 -0.247
y -0.000 -34.790 0.001
z -0.247 0.001 -36.997
Traceless
 xyz
x -2.874 -0.000 -0.247
y -0.000 3.092 0.001
z -0.247 0.001 -0.218
Polar
3z2-r2-0.435
x2-y2-3.977
xy-0.000
xz-0.247
yz0.001


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


<r2> (average value of r2) Å2
<r2> 191.536
(<r2>)1/2 13.840