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

using model chemistry: BLYP/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 BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-323.573369
Energy at 298.15K-323.581946
Nuclear repulsion energy238.973576
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 BLYP/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 3045 3028 28.34      
2 A 3043 3026 17.22      
3 A 3039 3022 47.84      
4 A 3032 3016 0.33      
5 A 2970 2954 15.29      
6 A 2966 2949 17.24      
7 A 2949 2933 14.21      
8 A 1682 1672 277.11      
9 A 1472 1464 4.43      
10 A 1457 1449 4.21      
11 A 1450 1442 0.05      
12 A 1444 1436 0.45      
13 A 1380 1372 1.34      
14 A 1361 1353 5.64      
15 A 1325 1318 30.58      
16 A 1324 1317 12.25      
17 A 1169 1163 9.10      
18 A 1116 1110 22.89      
19 A 1111 1105 10.32      
20 A 920 915 5.83      
21 A 919 914 0.27      
22 A 906 901 0.16      
23 A 854 849 48.64      
24 A 725 721 311.47      
25 A 550 547 43.90      
26 A 443 440 21.43      
27 A 412 410 3.79      
28 A 305 303 6.53      
29 A 267 266 0.84      
30 A 206 205 1.48      
31 A 196 195 0.02      
32 A 181 180 0.08      
33 A 55 54 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 22135.8 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 22014.1 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 BLYP/6-31G(2df,p)
ABC
0.24349 0.06762 0.05760

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.541 -0.000 -1.361
C2 0.821 0.000 -0.293
H3 2.534 1.328 -0.520
H4 1.828 1.330 1.120
H5 0.993 2.176 -0.212
C6 1.590 1.288 0.045
H7 2.541 -1.319 -0.522
H8 1.004 -2.175 -0.213
H9 1.836 -1.325 1.118
C10 1.597 -1.284 0.044
O11 -0.420 -0.004 0.472
O12 -2.605 -0.001 0.152
N13 -1.588 0.001 -0.454

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.10442.53903.09512.50192.17672.53842.50253.09532.17672.07003.49092.3141
C21.10442.17932.18562.18391.53742.17922.18392.18571.53741.45833.45532.4148
H32.53902.17931.78521.78571.10142.64673.83443.19492.83173.38935.35114.3313
H43.09512.18561.78521.78471.10123.19683.83862.65492.83592.69284.72873.9888
H52.50192.18391.78571.78471.10003.83454.35033.83863.52122.68654.22153.3839
C62.17671.53741.10141.10121.10002.83233.52122.83542.57202.42724.39003.4647
H72.53842.17922.64673.19683.83452.83231.78571.78511.10143.38885.35474.3354
H82.50252.18393.83443.83864.35033.52121.78571.78471.10002.68504.22923.3932
H93.09532.18573.19492.65493.83862.83541.78511.78471.10122.69314.73433.9947
C102.17671.53742.83172.83593.52122.57201.10141.10001.10122.42664.39483.4703
O112.07001.45833.38932.69282.68652.42723.38882.68502.69312.42662.20871.4909
O123.49093.45535.35114.72874.22154.39005.35474.22924.73434.39482.20871.1839
N132.31412.41484.33133.98883.38393.46474.33543.39323.99473.47031.49091.1839

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 109.871 H1 C2 C10 109.877
H1 C2 O11 106.938 C2 C6 H3 110.254
C2 C6 H4 110.766 C2 C6 H5 110.702
C2 C10 H7 110.250 C2 C10 H8 110.701
C2 C10 H9 110.772 C2 O11 N13 109.927
H3 C6 H4 108.282 H3 C6 H5 108.416
H4 C6 H5 108.340 C6 C2 C10 113.535
C6 C2 O11 108.208 H7 C10 H8 108.418
H7 C10 H9 108.279 H8 C10 H9 108.340
C10 C2 O11 108.172 O11 N13 O12 110.803
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.073      
2 C 0.155      
3 H 0.105      
4 H 0.114      
5 H 0.110      
6 C -0.345      
7 H 0.105      
8 H 0.110      
9 H 0.114      
10 C -0.345      
11 O -0.202      
12 O -0.130      
13 N 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.110 0.004 -0.636 2.204
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.568 -0.003 0.176
y -0.003 -34.701 0.010
z 0.176 0.010 -36.586
Traceless
 xyz
x -1.924 -0.003 0.176
y -0.003 2.376 0.010
z 0.176 0.010 -0.451
Polar
3z2-r2-0.903
x2-y2-2.867
xy-0.003
xz0.176
yz0.010


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.888 -0.002 0.091
y -0.002 6.725 -0.001
z 0.091 -0.001 6.171


<r2> (average value of r2) Å2
<r2> 197.694
(<r2>)1/2 14.060