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

using model chemistry: B1B95/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-323.552912
Energy at 298.15K-323.561773
Nuclear repulsion energy 
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/aug-cc-pVDZ
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 3168 3035 21.78      
2 A 3166 3033 14.24      
3 A 3161 3028 38.43      
4 A 3155 3022 0.02      
5 A 3095 2964 6.98      
6 A 3073 2943 11.79      
7 A 3069 2940 13.91      
8 A 1784 1709 268.53      
9 A 1485 1422 6.54      
10 A 1470 1408 7.23      
11 A 1461 1400 0.12      
12 A 1457 1396 0.15      
13 A 1400 1341 19.10      
14 A 1397 1338 23.71      
15 A 1362 1305 23.43      
16 A 1351 1294 0.62      
17 A 1200 1149 20.04      
18 A 1174 1124 8.13      
19 A 1166 1117 21.17      
20 A 989 948 5.53      
21 A 942 902 0.28      
22 A 925 886 0.81      
23 A 913 875 193.39      
24 A 865 829 419.27      
25 A 630 604 5.42      
26 A 489 468 1.03      
27 A 426 408 4.22      
28 A 323 309 0.81      
29 A 292 280 1.32      
30 A 221 212 0.89      
31 A 203 194 0.05      
32 A 184 176 0.36      
33 A 33 31 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 23013.0 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 22044.1 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 B1B95/aug-cc-pVDZ
ABC
0.25222 0.07129 0.06041

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.538 0.000 -1.360
C2 -0.806 0.000 -0.297
H3 -2.505 -1.302 -0.489
H4 -1.770 -1.303 1.128
H5 -0.969 -2.151 -0.214
C6 -1.555 -1.267 0.054
H7 -2.504 1.304 -0.489
H8 -0.967 2.151 -0.213
H9 -1.769 1.304 1.128
C10 -1.554 1.268 0.055
O11 0.443 -0.001 0.433
O12 2.540 -0.000 0.150
N13 1.521 0.000 -0.433

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09692.51483.06722.47532.15442.51432.47533.06722.15432.04423.42922.2583
C21.09692.14932.15812.15881.51322.14932.15892.15821.51321.44613.37592.3309
H32.51482.14931.77641.77631.09532.60533.79003.15362.79323.35155.24984.2320
H43.06722.15811.77641.77781.09533.15453.79172.60702.79422.65954.60743.8685
H52.47532.15881.77631.77781.09393.79004.30223.79173.47862.65274.13263.2983
C62.15441.51321.09531.09531.09392.79353.47862.79402.53452.39514.28783.3624
H72.51432.14932.60533.15453.79002.79351.77621.77651.09533.35165.24904.2311
H82.47532.15893.79003.79174.30223.47861.77621.77781.09392.65284.13103.2967
H93.06722.15823.15362.60703.79172.79401.77651.77781.09532.66014.60723.8681
C102.15431.51322.79322.79423.47862.53451.09531.09391.09532.39534.28703.3616
O112.04421.44613.35152.65952.65272.39513.35162.65282.66012.39532.11671.3835
O123.42923.37595.24984.60744.13264.28785.24904.13104.60724.28702.11671.1745
N132.25832.33094.23203.86853.29833.36244.23113.29673.86813.36161.38351.1745

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 110.244 H1 C2 C10 110.236
H1 C2 O11 106.188 C2 C6 H3 109.936
C2 C6 H4 110.631 C2 C6 H5 110.772
C2 C10 H7 109.931 C2 C10 H8 110.771
C2 C10 H9 110.636 C2 O11 N13 110.910
H3 C6 H4 108.375 H3 C6 H5 108.459
H4 C6 H5 108.599 C6 C2 C10 113.745
C6 C2 O11 108.043 H7 C10 H8 108.457
H7 C10 H9 108.379 H8 C10 H9 108.598
C10 C2 O11 108.057 O11 N13 O12 111.422
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.343      
2 C 0.342      
3 H -0.132      
4 H -0.125      
5 H -0.190      
6 C 0.759      
7 H -0.132      
8 H -0.190      
9 H -0.125      
10 C 0.758      
11 O -0.558      
12 O -0.447      
13 N 0.384      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.933 0.001 -0.794 3.039
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.451 0.001 -0.220
y 0.001 -34.915 0.002
z -0.220 0.002 -37.246
Traceless
 xyz
x -3.371 0.001 -0.220
y 0.001 3.434 0.002
z -0.220 0.002 -0.063
Polar
3z2-r2-0.126
x2-y2-4.536
xy0.001
xz-0.220
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.071 0.000 -0.025
y 0.000 7.655 -0.000
z -0.025 -0.000 7.136


<r2> (average value of r2) Å2
<r2> 190.331
(<r2>)1/2 13.796