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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-62.845003
Energy at 298.15K-62.853666
Nuclear repulsion energy132.961864
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 B3LYP/CEP-121G
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 3104 3025 52.37      
2 A 3098 3019 22.20      
3 A 3092 3013 61.40      
4 A 3085 3006 5.50      
5 A 3032 2954 8.68      
6 A 3001 2924 19.92      
7 A 2996 2920 22.52      
8 A 1554 1514 205.81      
9 A 1527 1488 9.34      
10 A 1513 1475 7.65      
11 A 1508 1470 0.87      
12 A 1500 1461 1.93      
13 A 1441 1404 10.31      
14 A 1425 1389 16.99      
15 A 1370 1335 8.71      
16 A 1356 1321 47.86      
17 A 1212 1181 16.02      
18 A 1162 1133 11.40      
19 A 1148 1119 25.22      
20 A 958 934 0.10      
21 A 950 926 1.13      
22 A 924 900 15.93      
23 A 872 850 106.98      
24 A 810 789 405.33      
25 A 571 557 0.50      
26 A 463 452 1.01      
27 A 406 396 6.12      
28 A 315 307 0.35      
29 A 267 260 0.89      
30 A 204 199 0.68      
31 A 191 186 0.07      
32 A 169 165 0.64      
33 A 33 32 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 22626.6 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 22049.6 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 B3LYP/CEP-121G
ABC
0.24137 0.06603 0.05635

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.554 0.000 1.382
C2 0.826 0.000 0.318
H3 2.535 -1.336 0.475
H4 1.771 -1.326 -1.135
H5 0.986 -2.176 0.217
C6 1.574 -1.293 -0.056
H7 2.533 1.339 0.476
H8 0.983 2.177 0.215
H9 1.771 1.326 -1.135
C10 1.573 1.294 -0.057
O11 -0.472 -0.001 -0.446
O12 -2.683 0.000 -0.161
N13 -1.620 -0.000 0.466

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09872.55643.09442.50632.18722.55582.50673.09452.18712.09613.58562.3585
C21.09872.17492.18202.18461.54012.17492.18462.18211.54011.50613.54172.4503
H32.55642.17491.78151.78081.09822.67533.84923.20352.85043.41635.42364.3641
H43.09442.18201.78151.77961.09673.20563.83552.65212.83992.69454.74823.9771
H52.50632.18461.78081.77961.09613.84944.35303.83553.53012.70134.28253.4039
C62.18721.54011.09821.09671.09612.85113.53012.83932.58682.45134.45083.4853
H72.55582.17492.67533.20563.84942.85111.78081.78151.09823.41665.42254.3631
H82.50672.18463.84923.83554.35303.53011.78081.77961.09612.70104.28013.4022
H93.09452.18213.20352.65213.83552.83931.78151.77961.09672.69574.74843.9773
C102.18711.54012.85042.83993.53012.58681.09821.09611.09672.45164.44983.4845
O112.09611.50613.41632.69452.70132.45133.41662.70102.69572.45162.22951.4660
O123.58563.54175.42364.74824.28254.45085.42254.28014.74844.44982.22951.2343
N132.35852.45034.36413.97713.40393.48534.36313.40223.97733.48451.46601.2343

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 110.851 H1 C2 C10 110.844
H1 C2 O11 106.108 C2 C6 H3 109.910
C2 C6 H4 110.561 C2 C6 H5 110.799
C2 C10 H7 109.912 C2 C10 H8 110.798
C2 C10 H9 110.566 C2 O11 N13 111.058
H3 C6 H4 108.515 H3 C6 H5 108.495
H4 C6 H5 108.496 C6 C2 C10 114.238
C6 C2 O11 107.156 H7 C10 H8 108.492
H7 C10 H9 108.514 H8 C10 H9 108.495
C10 C2 O11 107.177 O11 N13 O12 111.017
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.144      
2 C 0.097      
3 H 0.149      
4 H 0.163      
5 H 0.162      
6 C -0.468      
7 H 0.149      
8 H 0.162      
9 H 0.163      
10 C -0.468      
11 O -0.247      
12 O -0.111      
13 N 0.105      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.359 0.001 1.105 3.536
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.490 0.000 -0.529
y 0.000 -34.822 -0.002
z -0.529 -0.002 -37.785
Traceless
 xyz
x -4.187 0.000 -0.529
y 0.000 4.316 -0.002
z -0.529 -0.002 -0.129
Polar
3z2-r2-0.258
x2-y2-5.668
xy0.000
xz-0.529
yz-0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.214 -0.011 0.028
y -0.011 6.565 -0.002
z 0.028 -0.002 6.310


<r2> (average value of r2) Å2
<r2> 162.943
(<r2>)1/2 12.765