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

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-321.644804
Energy at 298.15K-321.653945
Nuclear repulsion energy243.535460
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/LANL2DZ
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 3320 2987 79.04      
2 A 3310 2979 61.27      
3 A 3304 2974 28.30      
4 A 3298 2968 21.29      
5 A 3276 2949 7.27      
6 A 3218 2896 25.61      
7 A 3210 2889 29.09      
8 A 1828 1645 220.95      
9 A 1656 1491 13.48      
10 A 1642 1478 6.97      
11 A 1638 1474 2.24      
12 A 1630 1467 3.23      
13 A 1582 1424 20.19      
14 A 1566 1409 17.85      
15 A 1516 1365 44.29      
16 A 1511 1360 9.43      
17 A 1333 1199 20.53      
18 A 1287 1158 29.10      
19 A 1263 1136 33.34      
20 A 1078 970 304.96      
21 A 1054 949 5.17      
22 A 1046 941 2.69      
23 A 1028 925 251.89      
24 A 940 846 0.75      
25 A 656 590 8.89      
26 A 509 458 2.82      
27 A 467 420 6.21      
28 A 353 318 0.70      
29 A 280 252 0.62      
30 A 225 203 0.38      
31 A 214 192 0.10      
32 A 154 139 1.34      
33 A 86 77 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 24739.3 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 22262.9 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/LANL2DZ
ABC
0.25327 0.07133 0.05964

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.698 0.010 -1.413
C2 0.847 0.006 -0.342
H3 2.164 1.707 -0.295
H4 1.328 1.410 1.224
H5 0.470 2.130 -0.131
C6 1.222 1.403 0.147
H7 2.814 -0.857 -0.380
H8 1.517 -2.044 -0.291
H9 1.950 -1.113 1.132
C10 1.845 -1.073 0.055
O11 -0.429 -0.402 0.263
O12 -2.544 -0.151 0.167
N13 -1.520 0.167 -0.349

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.08142.50643.05212.48842.15612.50962.48003.05102.15532.06143.60982.4650
C21.08142.15192.15802.16791.52672.14852.15752.15481.52261.46963.43222.3726
H32.50642.15191.75941.75441.08382.64643.80623.16752.81963.38815.08233.9939
H43.05212.15801.75941.75871.08303.15013.77652.60052.79262.69984.30613.4833
H52.48842.16791.75441.75871.08303.80574.30683.78263.49092.71533.79122.8041
C62.15611.52671.08381.08301.08302.81403.48702.79842.55432.44834.07393.0488
H72.50962.14852.64643.15013.80572.81401.76001.75991.08383.33705.43184.4537
H82.48002.15753.80623.77654.30683.48701.76001.75441.08192.60614.50423.7575
H93.05102.15483.16752.60053.78262.79841.75991.75441.08252.63054.69623.9846
C102.15531.52262.81962.79263.49092.55431.08381.08191.08252.37984.48613.6092
O112.06141.46963.38812.69982.71532.44833.33702.60612.63052.37982.13231.3750
O123.60983.43225.08234.30613.79124.07395.43184.50424.69624.48612.13231.1896
N132.46502.37263.99393.48332.80413.04884.45373.75753.98463.60921.37501.1896

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 110.353 H1 C2 C10 110.580
H1 C2 O11 106.833 C2 C6 H3 109.878
C2 C6 H4 110.409 C2 C6 H5 111.202
C2 C10 H7 109.901 C2 C10 H8 110.729
C2 C10 H9 110.476 C2 O11 N13 113.001
H3 C6 H4 108.579 H3 C6 H5 108.124
H4 C6 H5 108.574 C6 C2 C10 113.790
C6 C2 O11 109.577 H7 C10 H8 108.718
H7 C10 H9 108.660 H8 C10 H9 108.300
C10 C2 O11 105.362 O11 N13 O12 112.295
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.182      
2 C 0.157      
3 H 0.175      
4 H 0.191      
5 H 0.195      
6 C -0.541      
7 H 0.167      
8 H 0.200      
9 H 0.191      
10 C -0.546      
11 O -0.431      
12 O -0.246      
13 N 0.307      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.695 0.826 -1.213 3.976
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.422 -0.753 0.634
y -0.753 -36.142 1.503
z 0.634 1.503 -36.639
Traceless
 xyz
x -5.031 -0.753 0.634
y -0.753 2.888 1.503
z 0.634 1.503 2.143
Polar
3z2-r24.286
x2-y2-5.280
xy-0.753
xz0.634
yz1.503


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.906 0.047 -0.304
y 0.047 5.556 -0.159
z -0.304 -0.159 5.195


<r2> (average value of r2) Å2
<r2> 191.626
(<r2>)1/2 13.843