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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-323.609209
Energy at 298.15K-323.618107
Nuclear repulsion energy243.978281
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 mPW1PW91/aug-cc-pVDZ
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 3161 3029 22.61      
2 A 3159 3027 14.37      
3 A 3155 3023 38.83      
4 A 3149 3017 0.06      
5 A 3089 2960 6.96      
6 A 3067 2939 11.72      
7 A 3063 2935 14.41      
8 A 1778 1704 268.01      
9 A 1490 1428 7.34      
10 A 1476 1414 6.78      
11 A 1465 1404 0.22      
12 A 1461 1401 0.21      
13 A 1406 1347 17.47      
14 A 1400 1341 23.51      
15 A 1363 1306 24.47      
16 A 1355 1299 0.65      
17 A 1204 1154 20.73      
18 A 1174 1125 8.63      
19 A 1168 1120 20.07      
20 A 991 950 4.66      
21 A 945 906 0.20      
22 A 930 891 0.93      
23 A 915 877 226.22      
24 A 869 833 384.63      
25 A 634 607 4.20      
26 A 493 473 1.15      
27 A 430 412 4.06      
28 A 329 315 0.78      
29 A 295 283 1.26      
30 A 225 216 0.97      
31 A 207 199 0.04      
32 A 185 177 0.33      
33 A 32 30 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 23030.4 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 22070.1 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 mPW1PW91/aug-cc-pVDZ
ABC
0.25132 0.07106 0.06020

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.542 0.000 -1.363
C2 0.807 0.000 -0.297
H3 2.508 1.306 -0.488
H4 1.770 1.310 1.131
H5 0.970 2.156 -0.215
C6 1.556 1.271 0.055
H7 2.511 -1.302 -0.488
H8 0.974 -2.155 -0.217
H9 1.773 -1.308 1.130
C10 1.558 -1.269 0.055
O11 -0.444 -0.002 0.432
O12 -2.544 -0.000 0.151
N13 -1.524 0.000 -0.433

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09852.51683.07252.47912.15712.51722.47903.07262.15722.04843.43812.2657
C21.09852.15312.16352.16331.51632.15322.16322.16351.51631.44803.38102.3347
H32.51682.15311.77881.77851.09702.60803.79553.16132.79783.35755.25754.2383
H43.07252.16351.77881.78021.09703.16063.80182.61782.80202.66684.61433.8745
H52.47912.16331.77851.78021.09563.79554.31093.80193.48552.65954.13893.3029
C62.15711.51631.09701.09701.09562.79763.48552.80222.53962.40024.29373.3669
H72.51722.15322.60803.16063.79552.79761.77851.77881.09703.35725.25924.2402
H82.47902.16323.79553.80184.31093.48551.77851.78021.09562.65904.14243.3067
H93.07262.16353.16132.61783.80192.80221.77881.78021.09702.66614.61583.8761
C102.15721.51632.79782.80203.48552.53961.09701.09561.09702.39974.29563.3691
O112.04841.44803.35752.66682.65952.40023.35722.65902.66612.39972.11891.3838
O123.43813.38105.25754.61434.13894.29375.25924.14244.61584.29562.11891.1761
N132.26572.33474.23833.87453.30293.36694.24023.30673.87613.36911.38381.1761

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 110.147 H1 C2 C10 110.154
H1 C2 O11 106.298 C2 C6 H3 109.914
C2 C6 H4 110.738 C2 C6 H5 110.803
C2 C10 H7 109.917 C2 C10 H8 110.801
C2 C10 H9 110.737 C2 O11 N13 111.048
H3 C6 H4 108.341 H3 C6 H5 108.408
H4 C6 H5 108.563 C6 C2 C10 113.739
C6 C2 O11 108.110 H7 C10 H8 108.410
H7 C10 H9 108.340 H8 C10 H9 108.563
C10 C2 O11 108.080 O11 N13 O12 111.472
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.249      
2 C 0.314      
3 H -0.070      
4 H -0.061      
5 H -0.123      
6 C 0.537      
7 H -0.070      
8 H -0.123      
9 H -0.061      
10 C 0.538      
11 O -0.574      
12 O -0.457      
13 N 0.400      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.967 0.002 -0.783 3.069
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.491 -0.001 0.206
y -0.001 -34.899 0.005
z 0.206 0.005 -37.242
Traceless
 xyz
x -3.421 -0.001 0.206
y -0.001 3.467 0.005
z 0.206 0.005 -0.046
Polar
3z2-r2-0.093
x2-y2-4.592
xy-0.001
xz0.206
yz0.005


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.081 -0.001 0.023
y -0.001 7.646 -0.001
z 0.023 -0.001 7.127


<r2> (average value of r2) Å2
<r2> 190.929
(<r2>)1/2 13.818