return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-323.770070
Energy at 298.15K-323.778902
Nuclear repulsion energy242.875649
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/cc-pVTZ
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 3109 3005 28.79      
2 A 3107 3003 16.92      
3 A 3105 3002 45.07      
4 A 3098 2994 0.14      
5 A 3042 2940 7.30      
6 A 3037 2936 12.78      
7 A 3034 2933 14.99      
8 A 1748 1689 274.62      
9 A 1510 1460 7.12      
10 A 1497 1447 6.24      
11 A 1489 1439 0.29      
12 A 1483 1434 0.82      
13 A 1424 1376 8.78      
14 A 1408 1361 14.65      
15 A 1373 1327 30.93      
16 A 1372 1326 5.67      
17 A 1209 1168 15.26      
18 A 1161 1122 21.70      
19 A 1155 1116 10.61      
20 A 974 942 7.55      
21 A 948 916 0.15      
22 A 939 908 0.41      
23 A 890 860 81.49      
24 A 793 766 480.89      
25 A 610 589 26.23      
26 A 479 463 8.45      
27 A 428 414 4.34      
28 A 324 313 3.08      
29 A 286 277 1.09      
30 A 221 214 1.19      
31 A 208 201 0.03      
32 A 183 177 0.32      
33 A 38 37 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 22840.0 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 22077.1 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/cc-pVTZ
ABC
0.25038 0.06999 0.05943

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.550 0.000 -1.357
C2 0.812 0.000 -0.297
H3 2.515 1.307 -0.489
H4 1.784 1.311 1.121
H5 0.988 2.154 -0.215
C6 1.569 1.272 0.052
H7 2.515 -1.307 -0.490
H8 0.987 -2.154 -0.214
H9 1.784 -1.311 1.121
C10 1.569 -1.272 0.052
O11 -0.436 -0.000 0.441
O12 -2.560 0.000 0.153
N13 -1.551 0.000 -0.438

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09212.51473.06242.47672.15432.51462.47683.06252.15432.05033.45642.2927
C21.09212.15532.16132.16241.52042.15552.16232.16131.52051.45013.40172.3675
H32.51472.15531.76841.76831.09082.61413.79293.15882.79963.35955.27974.2715
H43.06242.16131.76841.76831.09063.15983.79752.62202.80352.66654.63903.9076
H52.47672.16241.76831.76831.08953.79314.30743.79753.48482.66404.16613.3366
C62.15431.52041.09081.09061.08952.80013.48472.80322.54362.40644.32133.4048
H72.51462.15552.61413.15983.79312.80011.76831.76831.09083.35945.27964.2714
H82.47682.16233.79293.79754.30743.48471.76831.76831.08952.66324.16553.3362
H93.06252.16133.15882.62203.79752.80321.76831.76831.09062.66654.63923.9078
C102.15431.52052.79962.80353.48482.54361.09081.08951.09062.40624.32123.4047
O112.05031.45013.35952.66652.66402.40643.35942.66322.66652.40622.14271.4196
O123.45643.40175.27974.63904.16614.32135.27964.16554.63924.32122.14271.1691
N132.29272.36754.27153.90763.33663.40484.27143.33623.90783.40471.41961.1691

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 110.013 H1 C2 C10 110.013
H1 C2 O11 106.661 C2 C6 H3 110.172
C2 C6 H4 110.659 C2 C6 H5 110.810
C2 C10 H7 110.183 C2 C10 H8 110.802
C2 C10 H9 110.656 C2 O11 N13 111.167
H3 C6 H4 108.319 H3 C6 H5 108.395
H4 C6 H5 108.407 C6 C2 C10 113.538
C6 C2 O11 108.184 H7 C10 H8 108.396
H7 C10 H9 108.317 H8 C10 H9 108.409
C10 C2 O11 108.167 O11 N13 O12 111.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.069     -0.131
2 C 0.115     0.729
3 H 0.091     0.117
4 H 0.099     0.112
5 H 0.103     0.139
6 C -0.275     -0.508
7 H 0.091     0.118
8 H 0.103     0.140
9 H 0.099     0.113
10 C -0.275     -0.511
11 O -0.207     -0.262
12 O -0.111     -0.118
13 N 0.100     0.062


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.539 0.000 -0.782 2.656
CHELPG        
AIM        
ESP 2.453 0.001 -0.844 2.594


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.984 0.000 0.254
y 0.000 -35.092 0.001
z 0.254 0.001 -37.265
Traceless
 xyz
x -2.805 0.000 0.254
y 0.000 3.032 0.001
z 0.254 0.001 -0.227
Polar
3z2-r2-0.453
x2-y2-3.891
xy0.000
xz0.254
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.749 0.000 0.018
y 0.000 7.131 0.001
z 0.018 0.001 6.600


<r2> (average value of r2) Å2
<r2> 192.835
(<r2>)1/2 13.887