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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-323.442927
Energy at 298.15K-323.451718
Nuclear repulsion energy240.133996
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 mPW1PW91/6-31G
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 3184 3014 24.80      
2 A 3181 3011 13.55      
3 A 3175 3006 35.69      
4 A 3170 3001 2.36      
5 A 3094 2929 7.94      
6 A 3084 2919 12.66      
7 A 3081 2917 15.61      
8 A 1665 1576 224.76      
9 A 1557 1474 11.44      
10 A 1544 1462 10.30      
11 A 1536 1454 1.18      
12 A 1530 1448 2.04      
13 A 1472 1393 10.86      
14 A 1455 1378 19.11      
15 A 1408 1333 8.46      
16 A 1392 1318 37.67      
17 A 1245 1179 17.37      
18 A 1200 1136 12.10      
19 A 1180 1117 35.86      
20 A 988 935 0.09      
21 A 975 923 1.99      
22 A 963 912 21.95      
23 A 900 852 21.95      
24 A 791 749 449.15      
25 A 589 557 11.55      
26 A 481 455 4.49      
27 A 423 401 6.30      
28 A 324 307 1.24      
29 A 279 264 1.15      
30 A 213 202 1.23      
31 A 207 196 0.06      
32 A 179 169 0.56      
33 A 40 38 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 23254.1 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 22012.4 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 mPW1PW91/6-31G
ABC
0.24795 0.06815 0.05815

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.560 0.000 -1.366
C2 0.838 -0.000 -0.306
H3 2.535 1.319 -0.484
H4 1.789 1.306 1.126
H5 0.994 2.155 -0.212
C6 1.583 1.274 0.053
H7 2.535 -1.319 -0.484
H8 0.995 -2.155 -0.212
H9 1.789 -1.306 1.126
C10 1.583 -1.274 0.053
O11 -0.427 -0.000 0.453
O12 -2.602 -0.000 0.157
N13 -1.569 0.000 -0.452

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09602.53293.07002.48302.16402.53312.48303.07002.16412.06963.51022.3177
C21.09602.15612.15852.16301.51882.15622.16302.15841.51891.47553.47182.4122
H32.53292.15611.77461.77401.09382.63743.80993.16822.81373.37495.34234.3109
H43.07002.15851.77461.77271.09303.16853.79512.61222.80222.65874.68263.9332
H52.48302.16301.77401.77271.09233.81014.31063.79513.48982.66614.20933.3577
C62.16401.51881.09381.09301.09232.81393.48972.80202.54842.41334.37633.4372
H72.53312.15622.63743.16853.81012.81391.77411.77461.09383.37515.34264.3112
H82.48302.16303.80993.79514.31063.48971.77411.77271.09232.66614.20943.3581
H93.07002.15843.16822.61223.79512.80201.77461.77271.09302.65874.68273.9334
C102.16411.51892.81372.80223.48982.54841.09381.09231.09302.41344.37653.4376
O112.06961.47553.37492.65872.66612.41333.37512.66612.65872.41342.19541.4569
O123.51023.47185.34234.68264.20934.37635.34264.20944.68274.37652.19541.1988
N132.31772.41224.31093.93323.35773.43724.31123.35813.93343.43761.45691.1988

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 110.663 H1 C2 C10 110.666
H1 C2 O11 106.245 C2 C6 H3 110.165
C2 C6 H4 110.407 C2 C6 H5 110.810
C2 C10 H7 110.175 C2 C10 H8 110.801
C2 C10 H9 110.398 C2 O11 N13 110.686
H3 C6 H4 108.485 H3 C6 H5 108.483
H4 C6 H5 108.425 C6 C2 C10 114.057
C6 C2 O11 107.396 H7 C10 H8 108.487
H7 C10 H9 108.485 H8 C10 H9 108.427
C10 C2 O11 107.403 O11 N13 O12 111.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.192      
2 C 0.028      
3 H 0.170      
4 H 0.186      
5 H 0.182      
6 C -0.470      
7 H 0.170      
8 H 0.182      
9 H 0.186      
10 C -0.470      
11 O -0.402      
12 O -0.250      
13 N 0.296      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.014 0.000 -1.060 3.195
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.154 -0.001 0.526
y -0.001 -34.312 0.001
z 0.526 0.001 -37.163
Traceless
 xyz
x -3.417 -0.001 0.526
y -0.001 3.847 0.001
z 0.526 0.001 -0.430
Polar
3z2-r2-0.861
x2-y2-4.842
xy-0.001
xz0.526
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.011 0.000 -0.047
y 0.000 5.698 0.000
z -0.047 0.000 5.523


<r2> (average value of r2) Å2
<r2> 196.228
(<r2>)1/2 14.008