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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-323.408298
Energy at 298.15K-323.417043
Nuclear repulsion energy239.244205
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 B3PW91/6-31G
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 3165 3031 26.81      
2 A 3161 3027 14.03      
3 A 3156 3022 37.05      
4 A 3150 3017 3.02      
5 A 3074 2944 8.53      
6 A 3066 2937 13.93      
7 A 3063 2933 16.51      
8 A 1648 1578 232.81      
9 A 1549 1483 11.13      
10 A 1536 1471 9.96      
11 A 1529 1464 1.09      
12 A 1522 1458 2.01      
13 A 1463 1401 9.48      
14 A 1447 1385 17.25      
15 A 1399 1340 8.94      
16 A 1381 1323 37.78      
17 A 1236 1184 16.27      
18 A 1190 1139 12.37      
19 A 1170 1121 35.26      
20 A 981 940 0.21      
21 A 969 928 1.72      
22 A 949 909 18.54      
23 A 891 853 21.64      
24 A 769 736 422.57      
25 A 576 552 15.68      
26 A 474 454 6.63      
27 A 420 403 6.16      
28 A 321 308 1.84      
29 A 275 264 1.09      
30 A 210 202 1.36      
31 A 205 197 0.06      
32 A 178 170 0.51      
33 A 44 42 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 23083.1 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 22106.7 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 B3PW91/6-31G
ABC
0.24654 0.06756 0.05769

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.558 0.000 -1.365
C2 0.841 0.000 -0.304
H3 2.539 1.322 -0.493
H4 1.801 1.311 1.124
H5 0.998 2.159 -0.213
C6 1.589 1.277 0.050
H7 2.540 -1.321 -0.493
H8 0.999 -2.159 -0.213
H9 1.802 -1.311 1.124
C10 1.590 -1.277 0.050
O11 -0.424 -0.001 0.462
O12 -2.614 -0.000 0.155
N13 -1.579 0.000 -0.454

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09782.53623.07542.48682.16732.53612.48683.07542.16732.07403.51732.3232
C21.09782.16002.16332.16701.52182.15992.16702.16331.52181.47933.48552.4252
H32.53622.16001.77711.77651.09562.64233.81673.17572.81943.38265.35924.3254
H43.07542.16331.77711.77531.09473.17573.80452.62172.80972.66694.70653.9544
H52.48682.16701.77651.77531.09403.81674.31883.80453.49672.67274.22413.3708
C62.16731.52181.09561.09471.09402.81943.49672.80972.55402.41964.39383.4529
H72.53612.15992.64233.17573.81672.81941.77651.77711.09563.38255.35974.3260
H82.48682.16703.81673.80454.31883.49671.77651.77531.09402.67254.22533.3720
H93.07542.16333.17572.62173.80452.80971.77711.77531.09472.66684.70723.9550
C102.16731.52182.81942.80973.49672.55401.09561.09401.09472.41954.39443.4536
O112.07401.47933.38262.66692.67272.41963.38252.67252.66682.41952.21091.4741
O123.51733.48555.35924.70654.22414.39385.35974.22534.70724.39442.21091.2007
N132.32322.42524.32543.95443.37083.45294.32603.37203.95503.45361.47411.2007

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 110.604 H1 C2 C10 110.605
H1 C2 O11 106.235 C2 C6 H3 110.156
C2 C6 H4 110.476 C2 C6 H5 110.816
C2 C10 H7 110.154 C2 C10 H8 110.816
C2 C10 H9 110.475 C2 O11 N13 110.397
H3 C6 H4 108.457 H3 C6 H5 108.453
H4 C6 H5 108.415 C6 C2 C10 114.097
C6 C2 O11 107.451 H7 C10 H8 108.453
H7 C10 H9 108.457 H8 C10 H9 108.415
C10 C2 O11 107.443 O11 N13 O12 111.083
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.186      
2 C 0.034      
3 H 0.166      
4 H 0.182      
5 H 0.178      
6 C -0.461      
7 H 0.166      
8 H 0.178      
9 H 0.182      
10 C -0.461      
11 O -0.392      
12 O -0.241      
13 N 0.283      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.934 0.001 -1.051 3.117
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.974 -0.001 0.532
y -0.001 -34.335 0.002
z 0.532 0.002 -37.156
Traceless
 xyz
x -3.229 -0.001 0.532
y -0.001 3.730 0.002
z 0.532 0.002 -0.501
Polar
3z2-r2-1.002
x2-y2-4.639
xy-0.001
xz0.532
yz0.002


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


<r2> (average value of r2) Å2
<r2> 197.524
(<r2>)1/2 14.054