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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-323.307142
Energy at 298.15K-323.316045
Nuclear repulsion energy243.964171
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 HSEh1PBE/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 3169 3014 22.05      
2 A 3168 3013 13.96      
3 A 3166 3011 38.74      
4 A 3160 3005 0.03      
5 A 3086 2935 9.70      
6 A 3081 2930 10.28      
7 A 3078 2927 14.61      
8 A 1805 1717 243.54      
9 A 1536 1461 7.65      
10 A 1522 1447 6.81      
11 A 1512 1438 0.44      
12 A 1507 1434 0.44      
13 A 1444 1373 13.20      
14 A 1433 1363 21.59      
15 A 1388 1320 30.66      
16 A 1385 1317 3.37      
17 A 1225 1165 18.64      
18 A 1190 1131 27.68      
19 A 1182 1124 8.64      
20 A 1003 954 6.10      
21 A 960 913 0.08      
22 A 946 899 1.30      
23 A 932 886 339.62      
24 A 882 838 218.05      
25 A 633 602 5.56      
26 A 496 472 1.02      
27 A 433 412 4.22      
28 A 327 311 0.55      
29 A 295 280 1.08      
30 A 227 216 0.77      
31 A 215 205 0.04      
32 A 187 178 0.36      
33 A 38 36 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 23304.5 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 22162.6 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 HSEh1PBE/6-31G*
ABC
0.25134 0.07109 0.06025

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.779 0.004 -1.455
C2 0.814 -0.005 -0.361
H3 2.093 1.724 -0.217
H4 1.154 1.385 1.255
H5 0.360 2.107 -0.163
C6 1.123 1.398 0.162
H7 2.845 -0.686 -0.273
H8 1.652 -2.005 -0.277
H9 1.901 -1.038 1.192
C10 1.869 -1.002 0.099
O11 -0.452 -0.490 0.134
O12 -2.461 -0.185 0.199
N13 -1.473 0.223 -0.304

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09472.49363.06512.50342.16262.47872.48713.05822.14902.06973.64302.5384
C21.09472.15542.15882.16901.52862.14452.17012.15901.52341.44303.32742.2985
H32.49362.15541.77901.77651.09182.52463.75483.10602.75303.39174.95593.8703
H43.06512.15881.77901.77861.09353.07983.75332.53632.74712.71184.08013.2682
H52.50342.16901.77651.77861.09143.74024.31143.75513.46602.73743.65252.6323
C62.16261.52861.09181.09351.09142.73813.47122.75642.51402.45883.91812.8872
H72.47872.14452.52463.07983.74022.73811.77851.77811.09123.32785.35104.4127
H82.48712.17013.75483.75334.31143.47121.77851.77631.09292.62444.52313.8375
H93.05822.15903.10602.53633.75512.75641.77811.77631.09382.63734.55433.8998
C102.14901.52342.75302.74713.46602.51401.09121.09291.09382.37714.40823.5823
O112.06971.44303.39172.71182.73742.45883.32782.62442.63732.37712.03361.3200
O123.64303.32744.95594.08013.65253.91815.35104.52314.55434.40822.03361.1816
N132.53842.29853.87033.26822.63232.88724.41273.83753.89983.58231.32001.1816

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 109.948 H1 C2 C10 109.238
H1 C2 O11 108.512 C2 C6 H3 109.553
C2 C6 H4 109.717 C2 C6 H5 110.653
C2 C10 H7 109.084 C2 C10 H8 111.016
C2 C10 H9 110.081 C2 O11 N13 112.512
H3 C6 H4 108.992 H3 C6 H5 108.911
H4 C6 H5 108.985 C6 C2 C10 110.912
C6 C2 O11 111.643 H7 C10 H8 109.037
H7 C10 H9 108.934 H8 C10 H9 108.652
C10 C2 O11 106.486 O11 N13 O12 108.643
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.181      
2 C 0.073      
3 H 0.177      
4 H 0.186      
5 H 0.187      
6 C -0.516      
7 H 0.177      
8 H 0.187      
9 H 0.186      
10 C -0.516      
11 O -0.353      
12 O -0.259      
13 N 0.291      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.753 0.000 -0.734 2.849
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.602 0.000 0.220
y 0.000 -34.318 0.000
z 0.220 0.000 -36.490
Traceless
 xyz
x -3.198 0.000 0.220
y 0.000 3.228 0.000
z 0.220 0.000 -0.031
Polar
3z2-r2-0.061
x2-y2-4.284
xy0.000
xz0.220
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.607 0.000 -0.036
y 0.000 6.025 0.000
z -0.036 0.000 5.678


<r2> (average value of r2) Å2
<r2> 190.348
(<r2>)1/2 13.797