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

using model chemistry: PBEPBE/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-323.300989
Energy at 298.15K-323.309636
Nuclear repulsion energy240.878014
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/6-31G(2df,p)
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 3074 3042 20.06      
2 A 3072 3041 12.97      
3 A 3067 3036 34.89      
4 A 3062 3030 0.00      
5 A 2985 2954 12.06      
6 A 2981 2951 14.39      
7 A 2963 2933 13.07      
8 A 1711 1693 266.34      
9 A 1459 1444 5.86      
10 A 1444 1429 5.60      
11 A 1435 1420 0.13      
12 A 1429 1414 0.41      
13 A 1363 1349 5.03      
14 A 1347 1333 15.46      
15 A 1315 1302 5.35      
16 A 1314 1301 26.40      
17 A 1165 1153 11.30      
18 A 1126 1114 9.01      
19 A 1122 1111 26.19      
20 A 941 932 4.32      
21 A 915 905 0.01      
22 A 901 892 0.89      
23 A 873 864 60.60      
24 A 763 755 331.34      
25 A 569 563 40.63      
26 A 457 453 11.20      
27 A 416 411 3.49      
28 A 309 306 3.43      
29 A 272 270 1.26      
30 A 208 206 1.26      
31 A 197 195 0.03      
32 A 186 184 0.06      
33 A 54 54 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 22246.5 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 22017.4 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/6-31G(2df,p)
ABC
0.24683 0.06900 0.05870

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.529 0.000 -1.362
C2 0.811 -0.000 -0.292
H3 2.524 1.314 -0.518
H4 1.815 1.315 1.121
H5 0.985 2.168 -0.211
C6 1.578 1.277 0.046
H7 2.524 -1.314 -0.518
H8 0.985 -2.168 -0.211
H9 1.815 -1.315 1.121
C10 1.578 -1.277 0.046
O11 -0.424 -0.000 0.465
O12 -2.582 -0.000 0.149
N13 -1.561 0.000 -0.448

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.10652.53393.09082.49692.17122.53382.49703.09082.17122.06033.45802.2808
C21.10652.17082.17652.17661.52772.17082.17662.17651.52771.44843.42082.3766
H32.53392.17081.78571.78691.10192.62733.81913.17792.81503.37405.31404.2916
H43.09082.17651.78571.78631.10203.17813.82052.63042.81652.67904.69123.9485
H52.49692.17661.78691.78631.10073.81914.33613.82053.50512.67264.18933.3523
C62.17121.52771.10191.10201.10072.81503.50512.81642.55392.41154.35243.4244
H72.53382.17082.62733.17813.81912.81501.78691.78571.10193.37405.31394.2915
H82.49702.17663.81913.82054.33613.50511.78691.78631.10072.67254.18933.3523
H93.09082.17653.17792.63043.82052.81641.78571.78631.10202.67914.69133.9486
C102.17121.52772.81502.81653.50512.55391.10191.10071.10202.41154.35243.4244
O112.06031.44843.37402.67902.67262.41153.37402.67252.67912.41152.18011.4574
O123.45803.42085.31404.69124.18934.35245.31394.18934.69134.35242.18011.1825
N132.28082.37664.29163.94853.35233.42444.29153.35233.94863.42441.45741.1825

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 109.997 H1 C2 C10 109.999
H1 C2 O11 106.735 C2 C6 H3 110.240
C2 C6 H4 110.679 C2 C6 H5 110.767
C2 C10 H7 110.240 C2 C10 H8 110.766
C2 C10 H9 110.680 C2 O11 N13 109.744
H3 C6 H4 108.244 H3 C6 H5 108.449
H4 C6 H5 108.383 C6 C2 C10 113.418
C6 C2 O11 108.220 H7 C10 H8 108.450
H7 C10 H9 108.243 H8 C10 H9 108.384
C10 C2 O11 108.221 O11 N13 O12 110.916
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.102      
2 C 0.115      
3 H 0.133      
4 H 0.140      
5 H 0.138      
6 C -0.416      
7 H 0.133      
8 H 0.138      
9 H 0.140      
10 C -0.416      
11 O -0.210      
12 O -0.166      
13 N 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.269 0.000 -0.584 2.343
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.619 0.000 0.103
y 0.000 -34.473 0.000
z 0.103 0.000 -36.388
Traceless
 xyz
x -2.189 0.000 0.103
y 0.000 2.531 0.000
z 0.103 0.000 -0.342
Polar
3z2-r2-0.684
x2-y2-3.146
xy0.000
xz0.103
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.694 0.000 0.076
y 0.000 6.725 0.000
z 0.076 0.000 6.160


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