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

using model chemistry: B3LYP/3-21G

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/3-21G
 hartrees
Energy at 0K-321.851020
Energy at 298.15K-321.859718
Nuclear repulsion energy237.492584
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/3-21G
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 3139 3029 28.14      
2 A 3134 3024 13.42      
3 A 3132 3022 30.59      
4 A 3126 3016 1.87      
5 A 3071 2963 5.63      
6 A 3063 2956 10.46      
7 A 3060 2953 12.69      
8 A 1574 1519 13.13      
9 A 1560 1505 9.42      
10 A 1553 1498 0.99      
11 A 1546 1492 1.36      
12 A 1469 1417 47.71      
13 A 1465 1413 81.18      
14 A 1452 1401 12.68      
15 A 1402 1353 10.88      
16 A 1351 1304 56.83      
17 A 1232 1188 21.95      
18 A 1170 1129 29.32      
19 A 1159 1119 13.15      
20 A 985 950 1.59      
21 A 960 927 0.01      
22 A 932 899 15.85      
23 A 875 845 143.09      
24 A 825 796 262.64      
25 A 555 536 3.93      
26 A 470 454 0.58      
27 A 401 387 5.57      
28 A 316 305 0.22      
29 A 272 263 0.91      
30 A 211 203 0.02      
31 A 205 198 0.80      
32 A 169 163 0.50      
33 A 40 39 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 22937.9 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 22132.8 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/3-21G
ABC
0.24368 0.06662 0.05713

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.538 0.000 -1.362
C2 -0.836 0.000 -0.308
H3 -2.542 -1.323 -0.517
H4 -1.823 -1.296 1.114
H5 -1.000 -2.159 -0.204
C6 -1.601 -1.279 0.042
H7 -2.541 1.324 -0.517
H8 -0.998 2.159 -0.204
H9 -1.821 1.296 1.114
C10 -1.600 1.280 0.043
O11 0.414 -0.001 0.501
O12 2.634 -0.000 0.146
N13 1.586 0.000 -0.467

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09552.54553.07562.49302.17702.54552.49303.07562.17702.09193.51252.3046
C21.09552.16882.16182.16771.53132.16872.16772.16181.53131.48883.49982.4269
H32.54552.16881.78271.78211.09512.64693.82173.16852.82363.39435.38354.3348
H43.07562.16181.78271.77761.09443.16823.78852.59202.79832.65634.74123.9743
H52.49302.16771.78211.77761.09403.82174.31823.78843.49962.67474.24143.3788
C62.17701.53131.09511.09441.09402.82353.49962.79842.55912.43054.42583.4719
H72.54552.16872.64693.16823.82172.82351.78211.78271.09513.39445.38284.3340
H82.49302.16773.82173.78854.31823.49961.78211.77761.09402.67494.24003.3771
H93.07562.16183.16852.59203.78842.79841.78271.77761.09442.65634.74033.9733
C102.17701.53132.82362.79833.49962.55911.09511.09401.09442.43064.42503.4709
O112.09191.48883.39432.65632.67472.43053.39442.67492.65632.43062.24831.5195
O123.51253.49985.38354.74124.24144.42585.38284.24004.74034.42502.24831.2145
N132.30462.42694.33483.97433.37883.47194.33403.37713.97333.47091.51951.2145

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 110.852 H1 C2 C10 110.851
H1 C2 O11 107.106 C2 C6 H3 110.227
C2 C6 H4 109.721 C2 C6 H5 110.206
C2 C10 H7 110.226 C2 C10 H8 110.208
C2 C10 H9 109.719 C2 O11 N13 107.558
H3 C6 H4 109.018 H3 C6 H5 108.994
H4 C6 H5 108.641 C6 C2 C10 113.355
C6 C2 O11 107.168 H7 C10 H8 108.994
H7 C10 H9 109.019 H8 C10 H9 108.641
C10 C2 O11 107.174 O11 N13 O12 110.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.207     -0.118
2 C -0.016     0.690
3 H 0.191     0.137
4 H 0.207     0.133
5 H 0.203     0.156
6 C -0.545     -0.566
7 H 0.191     0.137
8 H 0.203     0.155
9 H 0.207     0.132
10 C -0.545     -0.562
11 O -0.346     -0.279
12 O -0.254     -0.121
13 N 0.296     0.107


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.302 0.001 -0.979 2.501
CHELPG        
AIM        
ESP -2.216 0.001 -1.042 2.448


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.110 0.001 -0.609
y 0.001 -34.484 0.002
z -0.609 0.002 -36.758
Traceless
 xyz
x -2.490 0.001 -0.609
y 0.001 2.951 0.002
z -0.609 0.002 -0.461
Polar
3z2-r2-0.923
x2-y2-3.627
xy0.001
xz-0.609
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.831 0.002 0.018
y 0.002 5.405 0.000
z 0.018 0.000 5.179


<r2> (average value of r2) Å2
<r2> 199.121
(<r2>)1/2 14.111