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

using model chemistry: LSDA/3-21G

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/3-21G
 hartrees
Energy at 0K-320.197578
Energy at 298.15K-320.206272
Nuclear repulsion energy239.040738
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/3-21G
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 3088 3037 9.24      
2 A 3086 3036 8.14      
3 A 3082 3031 17.89      
4 A 3076 3026 0.06      
5 A 2995 2946 5.83      
6 A 2993 2944 5.99      
7 A 2971 2922 7.33      
8 A 1509 1484 32.71      
9 A 1492 1468 32.61      
10 A 1482 1457 1.47      
11 A 1480 1456 131.19      
12 A 1475 1450 2.55      
13 A 1401 1378 14.36      
14 A 1383 1360 33.02      
15 A 1354 1332 11.66      
16 A 1293 1272 31.73      
17 A 1197 1177 20.38      
18 A 1161 1142 11.23      
19 A 1141 1123 47.47      
20 A 953 937 0.24      
21 A 941 926 10.46      
22 A 939 924 3.06      
23 A 881 867 79.95      
24 A 832 818 220.21      
25 A 541 532 7.69      
26 A 472 464 0.57      
27 A 401 395 4.98      
28 A 312 306 0.12      
29 A 273 268 1.52      
30 A 207 204 0.09      
31 A 201 198 1.27      
32 A 188 185 0.24      
33 A 52 51 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 22425.6 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 22057.8 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/3-21G
ABC
0.24870 0.06769 0.05826

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.478 -0.000 -1.354
C2 0.817 0.000 -0.297
H3 2.520 1.301 -0.553
H4 1.835 1.267 1.107
H5 0.978 2.152 -0.196
C6 1.585 1.259 0.031
H7 2.520 -1.302 -0.554
H8 0.978 -2.152 -0.195
H9 1.837 -1.267 1.106
C10 1.585 -1.259 0.031
O11 -0.395 -0.000 0.527
O12 -2.622 -0.000 0.130
N13 -1.562 0.000 -0.458

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.10942.55083.08262.49432.17472.55012.49453.08272.17462.07333.43672.2276
C21.10942.15862.14802.16021.51102.15862.16012.14821.51101.46603.46572.3846
H32.55082.15861.79581.79691.10392.60333.79883.13282.78803.37055.34834.2857
H43.08262.14801.79581.79281.10423.13493.75742.53382.75722.63024.73583.9493
H52.49432.16021.79691.79281.10283.79914.30353.75753.47202.65334.20713.3394
C62.17471.51101.10391.10421.10282.78873.47192.75672.51852.39834.39243.4245
H72.55012.15862.60333.13493.79912.78871.79691.79581.10393.37055.34804.2854
H82.49452.16013.79883.75744.30353.47191.79691.79281.10282.65234.20643.3392
H93.08272.14823.13282.53383.75752.75671.79581.79281.10422.63114.73713.9505
C102.17461.51102.78802.75723.47202.51851.10391.10281.10422.39834.39253.4247
O112.07331.46603.37052.63022.65332.39833.37052.65232.63112.39832.26191.5272
O123.43673.46575.34834.73584.20714.39245.34804.20644.73714.39252.26191.2125
N132.22762.38464.28573.94933.33943.42454.28543.33923.95053.42471.52721.2125

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 111.257 H1 C2 C10 111.249
H1 C2 O11 106.397 C2 C6 H3 110.314
C2 C6 H4 109.457 C2 C6 H5 110.509
C2 C10 H7 110.313 C2 C10 H8 110.496
C2 C10 H9 109.470 C2 O11 N13 105.609
H3 C6 H4 108.837 H3 C6 H5 109.039
H4 C6 H5 108.645 C6 C2 C10 112.902
C6 C2 O11 107.330 H7 C10 H8 109.039
H7 C10 H9 108.836 H8 C10 H9 108.646
C10 C2 O11 107.329 O11 N13 O12 110.776
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.227      
2 C -0.078      
3 H 0.217      
4 H 0.229      
5 H 0.229      
6 C -0.616      
7 H 0.217      
8 H 0.229      
9 H 0.229      
10 C -0.616      
11 O -0.287      
12 O -0.230      
13 N 0.247      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.236 0.000 -0.788 2.371
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.700 -0.000 0.422
y -0.000 -34.358 0.000
z 0.422 0.000 -36.710
Traceless
 xyz
x -2.166 -0.000 0.422
y -0.000 2.847 0.000
z 0.422 0.000 -0.681
Polar
3z2-r2-1.361
x2-y2-3.342
xy-0.000
xz0.422
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.139 0.000 0.037
y 0.000 5.533 -0.000
z 0.037 -0.000 5.297


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