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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-323.298070
Energy at 298.15K-323.306696
Nuclear repulsion energy240.073640
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 PBEPBE/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 3074 3056 20.04      
2 A 3072 3055 13.33      
3 A 3066 3048 35.48      
4 A 3061 3043 0.00      
5 A 2980 2963 14.52      
6 A 2977 2960 16.93      
7 A 2957 2940 14.79      
8 A 1735 1725 302.54      
9 A 1430 1422 5.93      
10 A 1414 1406 6.96      
11 A 1406 1398 0.05      
12 A 1400 1392 0.08      
13 A 1346 1338 6.61      
14 A 1338 1331 20.90      
15 A 1303 1295 3.89      
16 A 1297 1289 26.50      
17 A 1153 1147 12.42      
18 A 1128 1122 8.73      
19 A 1113 1106 31.81      
20 A 936 930 5.87      
21 A 909 903 0.04      
22 A 897 892 0.82      
23 A 873 867 47.71      
24 A 749 745 324.78      
25 A 553 550 49.12      
26 A 452 449 19.78      
27 A 417 414 4.49      
28 A 308 306 5.82      
29 A 273 271 0.98      
30 A 207 205 1.35      
31 A 196 195 0.05      
32 A 186 185 0.17      
33 A 56 55 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 22129.0 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 22000.7 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 PBEPBE/cc-pVDZ
ABC
0.24561 0.06852 0.05837

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.519 -0.000 -1.362
C2 0.814 0.000 -0.288
H3 2.529 1.320 -0.533
H4 1.830 1.320 1.121
H5 0.980 2.173 -0.211
C6 1.582 1.278 0.041
H7 2.529 -1.320 -0.533
H8 0.980 -2.173 -0.211
H9 1.830 -1.320 1.121
C10 1.582 -1.278 0.041
O11 -0.419 0.000 0.478
O12 -2.590 0.000 0.145
N13 -1.570 -0.000 -0.450

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.11352.54293.10242.50112.17472.54292.50113.10242.17472.06533.45532.2801
C21.11352.17782.18172.18021.52642.17782.18022.18171.52641.45143.43172.3899
H32.54292.17781.79631.79681.10872.63963.83383.19292.82393.38425.32974.3073
H43.10242.18171.79631.79581.10903.19273.83332.63972.82402.68544.71503.9714
H52.50112.18021.79681.79581.10733.83374.34503.83333.51132.67454.19463.3591
C62.17471.52641.10871.10901.10732.82383.51132.82402.55532.41344.36423.4364
H72.54292.17782.63963.19273.83372.82381.79681.79631.10873.38425.32984.3072
H82.50112.18023.83383.83334.34503.51131.79681.79581.10732.67454.19483.3589
H93.10242.18173.19292.63973.83332.82401.79631.79581.10902.68534.71503.9711
C102.17471.52642.82392.82403.51132.55531.10871.10731.10902.41344.36433.4362
O112.06531.45143.38422.68542.67452.41343.38422.67452.68532.41342.19691.4789
O123.45533.43175.32974.71504.19464.36425.32984.19484.71504.36432.19691.1805
N132.28012.38994.30733.97143.35913.43644.30723.35893.97113.43621.47891.1805

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 109.944 H1 C2 C10 109.944
H1 C2 O11 106.512 C2 C6 H3 110.465
C2 C6 H4 110.761 C2 C6 H5 110.742
C2 C10 H7 110.465 C2 C10 H8 110.743
C2 C10 H9 110.760 C2 O11 N13 109.285
H3 C6 H4 108.184 H3 C6 H5 108.351
H4 C6 H5 108.248 C6 C2 C10 113.656
C6 C2 O11 108.253 H7 C10 H8 108.351
H7 C10 H9 108.185 H8 C10 H9 108.248
C10 C2 O11 108.254 O11 N13 O12 110.902
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.011      
2 C -0.016      
3 H 0.035      
4 H 0.041      
5 H 0.036      
6 C -0.008      
7 H 0.035      
8 H 0.036      
9 H 0.041      
10 C -0.008      
11 O -0.215      
12 O -0.104      
13 N 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.029 0.000 -0.680 2.140
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.611 0.001 0.240
y 0.001 -34.787 -0.001
z 0.240 -0.001 -36.871
Traceless
 xyz
x -1.782 0.001 0.240
y 0.001 2.453 -0.001
z 0.240 -0.001 -0.672
Polar
3z2-r2-1.344
x2-y2-2.823
xy0.001
xz0.240
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.824 -0.000 0.050
y -0.000 6.654 0.000
z 0.050 0.000 6.137


<r2> (average value of r2) Å2
<r2> 195.712
(<r2>)1/2 13.990