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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-323.277519
Energy at 298.15K-323.286178
Nuclear repulsion energy240.241785
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 PBEPBEultrafine/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 3080 3029 22.26      
2 A 3078 3028 14.85      
3 A 3073 3022 40.32      
4 A 3067 3017 0.26      
5 A 2994 2945 13.53      
6 A 2991 2941 15.35      
7 A 2974 2925 13.95      
8 A 1716 1688 271.90      
9 A 1490 1465 6.95      
10 A 1476 1451 7.30      
11 A 1467 1443 0.36      
12 A 1462 1438 0.64      
13 A 1391 1368 5.98      
14 A 1377 1354 16.52      
15 A 1334 1312 6.32      
16 A 1331 1309 30.13      
17 A 1179 1159 10.70      
18 A 1137 1118 8.96      
19 A 1135 1116 30.57      
20 A 942 927 5.79      
21 A 926 911 0.01      
22 A 915 900 1.17      
23 A 876 861 58.62      
24 A 766 753 331.50      
25 A 563 554 37.37      
26 A 459 452 11.71      
27 A 418 411 4.03      
28 A 308 303 3.28      
29 A 276 271 1.11      
30 A 213 210 1.65      
31 A 209 206 0.03      
32 A 186 183 0.14      
33 A 53 52 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 22430.6 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 22060.5 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 PBEPBEultrafine/6-31G*
ABC
0.24596 0.06861 0.05841

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.534 0.000 -1.365
C2 0.817 0.000 -0.295
H3 2.529 1.319 -0.515
H4 1.815 1.316 1.125
H5 0.985 2.170 -0.210
C6 1.581 1.279 0.047
H7 2.530 -1.319 -0.514
H8 0.986 -2.170 -0.211
H9 1.814 -1.316 1.125
C10 1.581 -1.278 0.047
O11 -0.423 -0.000 0.464
O12 -2.590 -0.000 0.153
N13 -1.566 0.000 -0.452

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.10732.53853.09372.49902.17352.53922.49903.09372.17372.06473.47342.2902
C21.10732.17312.17772.17781.52812.17322.17782.17761.52811.45353.43592.3880
H32.53852.17311.78841.78921.10352.63813.82743.18532.82223.37895.32864.3031
H43.09372.17771.78841.78851.10333.18383.82352.63172.81882.67914.69913.9559
H52.49902.17781.78921.78851.10223.82734.33933.82343.50862.67304.19753.3575
C62.17351.52811.10351.10331.10222.82173.50862.81912.55702.41324.36353.4329
H72.53922.17322.63813.18383.82732.82171.78921.78831.10353.37885.32904.3038
H82.49902.17783.82743.82354.33933.50861.78921.78851.10222.67334.19823.3585
H93.09372.17763.18532.63173.82342.81911.78831.78851.10332.67834.69833.9556
C102.17371.52812.82222.81883.50862.55701.10351.10221.10332.41314.36353.4333
O112.06471.45353.37892.67912.67302.41323.37882.67332.67832.41312.18921.4650
O123.47343.43595.32864.69914.19754.36355.32904.19824.69834.36352.18921.1892
N132.29022.38804.30313.95593.35753.43294.30383.35853.95563.43331.46501.1892

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 110.102 H1 C2 C10 110.117
H1 C2 O11 106.686 C2 C6 H3 110.295
C2 C6 H4 110.665 C2 C6 H5 110.744
C2 C10 H7 110.300 C2 C10 H8 110.747
C2 C10 H9 110.655 C2 O11 N13 109.817
H3 C6 H4 108.268 H3 C6 H5 108.419
H4 C6 H5 108.369 C6 C2 C10 113.580
C6 C2 O11 108.044 H7 C10 H8 108.423
H7 C10 H9 108.263 H8 C10 H9 108.373
C10 C2 O11 108.036 O11 N13 O12 110.714
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.158      
2 C 0.083      
3 H 0.164      
4 H 0.173      
5 H 0.173      
6 C -0.485      
7 H 0.164      
8 H 0.173      
9 H 0.173      
10 C -0.485      
11 O -0.319      
12 O -0.212      
13 N 0.240      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.358 0.000 -0.672 2.452
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.773 -0.001 0.193
y -0.001 -34.503 0.001
z 0.193 0.001 -36.574
Traceless
 xyz
x -2.235 -0.001 0.193
y -0.001 2.670 0.001
z 0.193 0.001 -0.435
Polar
3z2-r2-0.871
x2-y2-3.270
xy-0.001
xz0.193
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.493 0.000 0.033
y 0.000 6.261 -0.000
z 0.033 -0.000 5.877


<r2> (average value of r2) Å2
<r2> 195.397
(<r2>)1/2 13.978