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

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-319.459084
Energy at 298.15K-319.467388
Nuclear repulsion energy234.842241
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/STO-3G
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 3489 3113 0.82      
2 A 3487 3112 0.15      
3 A 3485 3110 0.82      
4 A 3483 3108 0.26      
5 A 3335 2976 1.61      
6 A 3314 2958 0.35      
7 A 3314 2957 0.49      
8 A 1683 1502 5.28      
9 A 1675 1495 5.76      
10 A 1673 1493 0.45      
11 A 1668 1489 0.66      
12 A 1642 1465 34.49      
13 A 1570 1401 0.80      
14 A 1554 1387 2.18      
15 A 1462 1305 8.82      
16 A 1422 1269 63.89      
17 A 1286 1148 23.38      
18 A 1244 1110 8.31      
19 A 1213 1082 8.96      
20 A 1064 949 191.62      
21 A 1027 917 0.05      
22 A 1021 911 3.35      
23 A 1014 904 1.69      
24 A 914 816 0.86      
25 A 583 520 0.77      
26 A 492 439 0.29      
27 A 398 355 2.11      
28 A 317 283 0.01      
29 A 270 241 1.04      
30 A 195 174 0.14      
31 A 184 164 0.00      
32 A 165 147 0.04      
33 A 20 17 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 24831.6 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 22159.7 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 B3LYP/STO-3G
ABC
0.23690 0.06568 0.05622

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.553 0.001 1.377
C2 -0.820 -0.000 0.297
H3 -2.524 1.368 0.519
H4 -1.828 1.341 -1.130
H5 -0.970 2.194 0.190
C6 -1.586 1.315 -0.057
H7 -2.591 -1.276 0.535
H8 -1.082 -2.185 0.220
H9 -1.894 -1.308 -1.112
C10 -1.652 -1.279 -0.039
O11 0.447 -0.044 -0.499
O12 2.658 -0.013 -0.159
N13 1.565 0.015 0.493

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.11192.54693.11502.52722.20182.54852.52913.11562.20302.12593.55872.2952
C21.11192.19582.20272.20151.56292.19552.20132.20211.56241.49763.50782.3939
H32.54692.19581.78941.78931.10082.64513.84563.19632.84253.44285.40474.3071
H43.11502.20271.78941.79001.10053.19473.84862.65002.84422.73734.78513.9886
H52.52722.20151.78931.79001.10073.84514.37973.84823.54672.73654.26063.3569
C62.20181.56291.10081.10051.10072.84183.54692.84432.59572.48554.44823.4536
H72.54852.19552.64513.19473.84512.84181.78941.78931.10093.43815.44304.3527
H82.52912.20133.84563.84864.37973.54691.78941.78991.10062.72764.34083.4527
H93.11562.20213.19632.65003.84822.84431.78931.78991.10062.73054.82704.0366
C102.20301.56242.84252.84423.54672.59571.10091.10061.10062.47904.49333.5086
O112.12591.49763.44282.73732.73652.48553.43812.72762.73052.47902.23651.4960
O123.55873.50785.40474.78514.26064.44825.44304.34084.82704.49332.23651.2723
N132.29522.39394.30713.98863.35693.45364.35273.45274.03663.50861.49601.2723

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 109.653 H1 C2 C10 109.777
H1 C2 O11 108.204 C2 C6 H3 109.827
C2 C6 H4 110.382 C2 C6 H5 110.280
C2 C10 H7 109.834 C2 C10 H8 110.302
C2 C10 H9 110.365 C2 O11 N13 106.204
H3 C6 H4 108.754 H3 C6 H5 108.737
H4 C6 H5 108.819 C6 C2 C10 112.311
C6 C2 O11 108.588 H7 C10 H8 108.747
H7 C10 H9 108.741 H8 C10 H9 108.811
C10 C2 O11 108.203 O11 N13 O12 107.512
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.089      
2 C 0.035      
3 H 0.081      
4 H 0.082      
5 H 0.082      
6 C -0.224      
7 H 0.081      
8 H 0.082      
9 H 0.082      
10 C -0.224      
11 O -0.116      
12 O -0.084      
13 N 0.034      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.039 0.020 0.401 2.078
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.092 0.013 -0.097
y 0.013 -31.930 -0.109
z -0.097 -0.109 -33.892
Traceless
 xyz
x -2.181 0.013 -0.097
y 0.013 2.562 -0.109
z -0.097 -0.109 -0.381
Polar
3z2-r2-0.762
x2-y2-3.162
xy0.013
xz-0.097
yz-0.109


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.587 0.005 -0.012
y 0.005 3.044 0.011
z -0.012 0.011 2.945


<r2> (average value of r2) Å2
<r2> 200.523
(<r2>)1/2 14.161