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

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-323.503439
Energy at 298.15K-323.512311
Nuclear repulsion energy244.302639
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 B1B95/6-31G*
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 3178 3017 22.12      
2 A 3177 3016 14.13      
3 A 3173 3013 39.41      
4 A 3168 3008 0.07      
5 A 3096 2939 9.45      
6 A 3089 2933 10.68      
7 A 3086 2930 14.48      
8 A 1808 1717 240.89      
9 A 1537 1459 6.99      
10 A 1523 1446 6.77      
11 A 1514 1437 0.39      
12 A 1509 1433 0.41      
13 A 1444 1370 12.81      
14 A 1433 1361 19.93      
15 A 1389 1318 31.51      
16 A 1384 1314 3.84      
17 A 1223 1161 18.17      
18 A 1189 1129 28.65      
19 A 1182 1122 8.62      
20 A 1002 952 7.83      
21 A 958 910 0.10      
22 A 943 896 1.24      
23 A 931 883 352.24      
24 A 882 837 208.43      
25 A 631 599 5.56      
26 A 491 466 0.80      
27 A 429 407 4.32      
28 A 322 305 0.54      
29 A 291 276 1.05      
30 A 224 213 0.69      
31 A 212 201 0.04      
32 A 186 176 0.40      
33 A 40 38 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 23321.6 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 22139.2 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 B1B95/6-31G*
ABC
0.25197 0.07129 0.06042

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.541 0.000 -1.362
C2 0.804 0.000 -0.300
H3 2.504 1.308 -0.482
H4 1.764 1.301 1.127
H5 0.969 2.150 -0.209
C6 1.554 1.268 0.056
H7 2.505 -1.307 -0.482
H8 0.971 -2.150 -0.210
H9 1.764 -1.301 1.127
C10 1.555 -1.267 0.055
O11 -0.438 -0.001 0.430
O12 -2.540 -0.000 0.156
N13 -1.524 0.000 -0.438

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09472.51793.06352.47742.15482.51802.47733.06352.15482.04263.43492.2620
C21.09472.15332.15642.15871.51532.15322.15872.15641.51531.44043.37452.3314
H32.51792.15331.77171.77221.09252.61493.79303.15342.79693.34715.25004.2351
H43.06352.15641.77171.77161.09253.15293.78522.60182.79072.65114.59963.8664
H52.47742.15871.77221.77161.09163.79304.30073.78533.47752.64884.13173.2999
C62.15481.51531.09251.09251.09162.79673.47752.79092.53482.39124.28703.3648
H72.51802.15322.61493.15293.79302.79671.77221.77171.09253.34705.25064.2358
H82.47732.15873.79303.78524.30073.47751.77221.77161.09162.64884.13303.3013
H93.06352.15643.15342.60183.78532.79091.77171.77161.09252.65084.60003.8669
C102.15481.51532.79692.79073.47752.53481.09251.09161.09252.39114.28763.3656
O112.04261.44043.34712.65112.64882.39123.34702.64882.65082.39112.11951.3901
O123.43493.37455.25004.59964.13174.28705.25064.13304.60004.28762.11951.1775
N132.26202.33144.23513.86643.29993.36484.23583.30133.86693.36561.39011.1775

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 110.260 H1 C2 C10 110.262
H1 C2 O11 106.560 C2 C6 H3 110.268
C2 C6 H4 110.516 C2 C6 H5 110.754
C2 C10 H7 110.265 C2 C10 H8 110.756
C2 C10 H9 110.516 C2 O11 N13 110.893
H3 C6 H4 108.353 H3 C6 H5 108.467
H4 C6 H5 108.410 C6 C2 C10 113.527
C6 C2 O11 107.974 H7 C10 H8 108.468
H7 C10 H9 108.353 H8 C10 H9 108.410
C10 C2 O11 107.967 O11 N13 O12 111.006
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.175      
2 C 0.072      
3 H 0.169      
4 H 0.179      
5 H 0.180      
6 C -0.490      
7 H 0.169      
8 H 0.180      
9 H 0.179      
10 C -0.490      
11 O -0.358      
12 O -0.261      
13 N 0.295      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.749 0.001 -0.753 2.850
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.497 -0.001 0.244
y -0.001 -34.222 0.002
z 0.244 0.002 -36.391
Traceless
 xyz
x -3.191 -0.001 0.244
y -0.001 3.222 0.002
z 0.244 0.002 -0.031
Polar
3z2-r2-0.062
x2-y2-4.275
xy-0.001
xz0.244
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.553 -0.000 -0.034
y -0.000 6.009 -0.000
z -0.034 -0.000 5.656


<r2> (average value of r2) Å2
<r2> 189.801
(<r2>)1/2 13.777