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

using model chemistry: B3LYP/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 B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-323.668806
Energy at 298.15K-323.677642
Nuclear repulsion energy242.804228
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/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 3123 3014 24.54      
2 A 3121 3012 15.02      
3 A 3120 3011 42.48      
4 A 3113 3004 0.01      
5 A 3045 2939 10.08      
6 A 3043 2937 10.40      
7 A 3040 2934 14.95      
8 A 1754 1693 238.44      
9 A 1509 1456 5.20      
10 A 1494 1442 4.66      
11 A 1486 1434 0.14      
12 A 1480 1429 0.42      
13 A 1419 1370 6.13      
14 A 1403 1354 11.77      
15 A 1373 1325 31.48      
16 A 1367 1319 6.57      
17 A 1208 1165 14.98      
18 A 1165 1124 22.63      
19 A 1154 1113 10.08      
20 A 981 946 5.23      
21 A 945 912 0.02      
22 A 934 901 0.56      
23 A 896 865 145.33      
24 A 827 798 383.66      
25 A 617 595 13.35      
26 A 482 465 3.47      
27 A 425 411 3.79      
28 A 322 311 1.40      
29 A 287 277 1.16      
30 A 220 213 0.82      
31 A 206 199 0.02      
32 A 188 182 0.23      
33 A 43 41 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 22895.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 22093.8 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 B3LYP/6-31G(2df,p)
ABC
0.24912 0.07022 0.05953

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.546 0.000 -1.362
C2 0.807 0.000 -0.297
H3 2.516 1.311 -0.491
H4 1.783 1.314 1.125
H5 0.982 2.160 -0.212
C6 1.567 1.275 0.053
H7 2.516 -1.311 -0.491
H8 0.982 -2.160 -0.213
H9 1.783 -1.314 1.125
C10 1.567 -1.275 0.053
O11 -0.437 -0.000 0.438
O12 -2.557 0.000 0.155
N13 -1.543 -0.000 -0.440

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09642.52163.07302.48522.16122.52192.48543.07322.16142.05103.45362.2830
C21.09642.16252.16862.16871.52532.16262.16872.16871.52531.44543.39452.3543
H32.52162.16251.77441.77501.09432.62243.80513.16892.80823.36225.27934.2656
H43.07302.16861.77441.77401.09443.16873.80802.62832.81092.67044.63793.9040
H52.48522.16871.77501.77401.09333.80524.31993.80813.49482.66564.16243.3307
C62.16121.52531.09431.09441.09332.80833.49482.81112.55062.40694.31813.3973
H72.52192.16262.62243.16873.80522.80831.77491.77441.09433.36205.27954.2655
H82.48542.16873.80513.80804.31993.49481.77491.77401.09332.66504.16263.3304
H93.07322.16873.16892.62833.80812.81111.77441.77401.09452.67004.63783.9038
C102.16141.52532.80822.81093.49482.55061.09431.09331.09452.40644.31813.3971
O112.05101.44543.36222.67042.66562.40693.36202.66502.67002.40642.13881.4119
O123.45363.39455.27934.63794.16244.31815.27954.16264.63784.31812.13881.1757
N132.28302.35434.26563.90403.33073.39734.26553.33043.90383.39711.41191.1757

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 109.973 H1 C2 C10 109.988
H1 C2 O11 106.787 C2 C6 H3 110.197
C2 C6 H4 110.669 C2 C6 H5 110.745
C2 C10 H7 110.206 C2 C10 H8 110.746
C2 C10 H9 110.675 C2 O11 N13 110.961
H3 C6 H4 108.326 H3 C6 H5 108.462
H4 C6 H5 108.366 C6 C2 C10 113.465
C6 C2 O11 108.204 H7 C10 H8 108.451
H7 C10 H9 108.326 H8 C10 H9 108.360
C10 C2 O11 108.175 O11 N13 O12 111.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.097      
2 C 0.144      
3 H 0.122      
4 H 0.130      
5 H 0.127      
6 C -0.384      
7 H 0.122      
8 H 0.127      
9 H 0.130      
10 C -0.384      
11 O -0.239      
12 O -0.193      
13 N 0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.536 0.000 -0.659 2.620
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.315 0.001 0.163
y 0.001 -34.432 -0.001
z 0.163 -0.001 -36.417
Traceless
 xyz
x -2.890 0.001 0.163
y 0.001 2.934 -0.001
z 0.163 -0.001 -0.044
Polar
3z2-r2-0.089
x2-y2-3.883
xy0.001
xz0.163
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.014 -0.000 0.023
y -0.000 6.495 0.000
z 0.023 0.000 5.976


<r2> (average value of r2) Å2
<r2> 192.201
(<r2>)1/2 13.864