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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-321.858604
Energy at 298.15K-321.867284
Nuclear repulsion energy239.756232
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 3102 3039 12.29      
2 A 3100 3037 10.81      
3 A 3093 3030 24.08      
4 A 3088 3025 0.03      
5 A 2996 2936 9.32      
6 A 2995 2934 9.29      
7 A 2974 2914 9.25      
8 A 1638 1605 256.58      
9 A 1486 1456 14.28      
10 A 1471 1441 15.58      
11 A 1463 1433 1.31      
12 A 1455 1426 2.58      
13 A 1399 1370 15.31      
14 A 1383 1355 35.24      
15 A 1351 1323 6.58      
16 A 1324 1298 26.98      
17 A 1198 1174 13.07      
18 A 1179 1155 8.36      
19 A 1139 1115 46.76      
20 A 951 932 0.16      
21 A 945 926 9.70      
22 A 934 915 3.54      
23 A 881 864 12.61      
24 A 762 747 305.94      
25 A 550 539 24.60      
26 A 467 458 6.72      
27 A 419 410 5.64      
28 A 314 308 1.77      
29 A 271 266 1.66      
30 A 205 201 1.99      
31 A 202 198 0.17      
32 A 190 186 0.19      
33 A 53 51 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 22488.0 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 22031.5 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
0.24982 0.06789 0.05822

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 0.514 -0.000 -1.361
C2 0.830 0.000 -0.297
H3 2.528 1.306 -0.525
H4 1.820 1.288 1.118
H5 0.984 2.156 -0.205
C6 1.581 1.262 0.041
H7 2.529 -1.305 -0.526
H8 0.986 -2.156 -0.205
H9 1.821 -1.287 1.118
C10 1.582 -1.262 0.040
O11 -0.404 -0.001 0.487
O12 -2.614 -0.000 0.144
N13 -1.571 0.000 -0.452

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.11032.54203.08412.49102.16732.54192.49113.08412.16732.06303.47082.2742
C21.11032.15472.15442.16341.50732.15472.16332.15441.50731.46123.47182.4058
H32.54202.15471.78991.79101.10392.61103.80343.15062.79443.36575.34754.3028
H43.08412.15441.78991.78981.10423.15103.78252.57522.77842.64644.71903.9528
H52.49102.16341.79101.78981.10243.80344.31173.78253.47832.65644.20943.3525
C62.16731.50731.10391.10421.10242.79463.47832.77832.52412.39464.38243.4313
H72.54192.15472.61103.15103.80342.79461.79101.78991.10393.36565.34794.3033
H82.49112.16333.80343.78254.31173.47831.79101.78981.10242.65614.21033.3535
H93.08412.15443.15062.57523.78252.77831.78991.78981.10422.64654.71983.9536
C102.16731.50732.79442.77843.47832.52411.10391.10241.10422.39464.38303.4319
O112.06301.46123.36572.64642.65642.39463.36562.65612.64652.39462.23681.4983
O123.47083.47185.34754.71904.20944.38245.34794.21034.71984.38302.23681.2013
N132.27422.40584.30283.95283.35253.43134.30333.35353.95363.43191.49831.2013

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 110.877 H1 C2 C10 110.878
H1 C2 O11 105.886 C2 C6 H3 110.255
C2 C6 H4 110.215 C2 C6 H5 111.037
C2 C10 H7 110.255 C2 C10 H8 111.036
C2 C10 H9 110.216 C2 O11 N13 108.756
H3 C6 H4 108.308 H3 C6 H5 108.537
H4 C6 H5 108.415 C6 C2 C10 113.712
C6 C2 O11 107.535 H7 C10 H8 108.537
H7 C10 H9 108.307 H8 C10 H9 108.415
C10 C2 O11 107.531 O11 N13 O12 111.429
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 0.186      
2 C 0.004      
3 H 0.174      
4 H 0.185      
5 H 0.184      
6 C -0.482      
7 H 0.174      
8 H 0.184      
9 H 0.185      
10 C -0.482      
11 O -0.323      
12 O -0.205      
13 N 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.773 0.001 -0.879 2.909
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.604 -0.001 0.377
y -0.001 -34.459 0.002
z 0.377 0.002 -37.334
Traceless
 xyz
x -2.708 -0.001 0.377
y -0.001 3.510 0.002
z 0.377 0.002 -0.803
Polar
3z2-r2-1.605
x2-y2-4.145
xy-0.001
xz0.377
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.706 -0.000 0.036
y -0.000 5.931 -0.000
z 0.036 -0.000 5.744


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