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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-321.820959
Energy at 298.15K-321.830279
Nuclear repulsion energy247.985327
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 3270 2957 81.30      
2 A 3263 2951 60.86      
3 A 3257 2946 36.32      
4 A 3251 2940 6.50      
5 A 3230 2921 3.51      
6 A 3195 2890 18.16      
7 A 3187 2882 22.32      
8 A 2009 1817 269.23      
9 A 1643 1486 7.00      
10 A 1628 1473 4.57      
11 A 1619 1464 0.41      
12 A 1616 1461 0.61      
13 A 1564 1414 26.41      
14 A 1555 1406 17.52      
15 A 1524 1379 32.00      
16 A 1494 1351 5.55      
17 A 1320 1194 29.55      
18 A 1300 1175 29.38      
19 A 1248 1129 21.02      
20 A 1122 1015 417.82      
21 A 1097 992 225.81      
22 A 1027 929 2.97      
23 A 1016 919 0.26      
24 A 943 853 0.22      
25 A 706 639 5.20      
26 A 525 475 0.87      
27 A 478 433 4.54      
28 A 356 322 0.08      
29 A 301 272 0.47      
30 A 244 221 0.41      
31 A 233 211 0.07      
32 A 170 154 1.13      
33 A 86 78 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 24738.1 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 22373.2 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
0.25694 0.07457 0.06209

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 0.647 0.002 -1.400
C2 0.805 0.002 -0.328
H3 2.158 1.677 -0.323
H4 1.338 1.412 1.212
H5 0.472 2.128 -0.140
C6 1.217 1.390 0.134
H7 2.763 -0.876 -0.407
H8 1.457 -2.048 -0.290
H9 1.932 -1.121 1.123
C10 1.800 -1.078 0.048
O11 -0.433 -0.367 0.286
O12 -2.476 -0.137 0.161
N13 -1.488 0.139 -0.353

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.08352.49923.04662.47692.14532.49622.46823.04572.14282.03603.49462.3819
C21.08352.15332.15412.15951.51942.14762.15242.15351.51631.43023.32002.2966
H32.49922.15331.76011.75441.08482.62493.79113.15782.80323.35655.00013.9571
H43.04662.15411.76011.75791.08453.14363.77382.60282.78692.67594.24883.4720
H52.47692.15951.75441.75791.08393.78684.29343.77913.47522.68853.73012.8006
C62.14531.51941.08481.08451.08392.79553.47262.79162.53732.41563.99663.0198
H72.49622.14762.62493.14363.78682.79551.75901.75851.08433.30985.32164.3705
H82.46822.15243.79113.77384.29343.47261.75901.75591.08312.59454.39663.6690
H93.04572.15353.15782.60283.77912.79161.75851.75591.08412.62004.61843.9323
C102.14281.51632.80322.78693.47522.53731.08431.08311.08412.35574.38013.5287
O112.03601.43023.35652.67592.68852.41563.30982.59452.62002.35572.05981.3329
O123.49463.32005.00014.24883.73013.99665.32164.39664.61844.38012.05981.1477
N132.38192.29663.95713.47202.80063.01984.37053.66903.93233.52871.33291.1477

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 109.881 H1 C2 C10 109.896
H1 C2 O11 107.385 C2 C6 H3 110.447
C2 C6 H4 110.527 C2 C6 H5 110.995
C2 C10 H7 110.233 C2 C10 H8 110.685
C2 C10 H9 110.720 C2 O11 N13 112.396
H3 C6 H4 108.460 H3 C6 H5 107.996
H4 C6 H5 108.326 C6 C2 C10 113.404
C6 C2 O11 109.925 H7 C10 H8 108.502
H7 C10 H9 108.387 H8 C10 H9 108.237
C10 C2 O11 106.123 O11 N13 O12 112.055
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 0.211 -0.066   -0.025
2 C 0.005 0.535   0.585
3 H 0.214 0.072   0.168
4 H 0.220 0.107   0.206
5 H 0.225 0.072   0.168
6 C -0.606 -0.332   -0.686
7 H 0.214 0.094   0.136
8 H 0.228 0.093   0.133
9 H 0.223 0.055   0.111
10 C -0.615 -0.334   -0.495
11 O -0.370 -0.231   -0.223
12 O -0.273 -0.195   -0.174
13 N 0.325 0.131   0.095


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.989 0.517 -0.910 3.167
CHELPG        
AIM        
ESP 2.961 0.550 -0.943 3.155


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.043 -0.472 0.353
y -0.472 -35.794 1.174
z 0.353 1.174 -36.424
Traceless
 xyz
x -3.934 -0.472 0.353
y -0.472 2.440 1.174
z 0.353 1.174 1.495
Polar
3z2-r22.989
x2-y2-4.249
xy-0.472
xz0.353
yz1.174


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.668 0.008 -0.223
y 0.008 6.033 -0.082
z -0.223 -0.082 5.587


<r2> (average value of r2) Å2
<r2> 185.264
(<r2>)1/2 13.611