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

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-323.518017
Energy at 298.15K-323.526854
HF Energy-323.119251
Nuclear repulsion energy242.916372
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 B2PLYP/cc-pVTZ
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 3140 3013 25.57      
2 A 3138 3011 15.46      
3 A 3135 3008 41.74      
4 A 3128 3001 0.24      
5 A 3071 2946 7.53      
6 A 3059 2935 12.28      
7 A 3056 2932 14.63      
8 A 1697 1628 246.70      
9 A 1522 1460 7.08      
10 A 1509 1448 6.13      
11 A 1500 1439 0.32      
12 A 1495 1435 0.68      
13 A 1430 1372 10.49      
14 A 1416 1359 16.91      
15 A 1380 1324 4.12      
16 A 1379 1323 35.57      
17 A 1217 1167 15.73      
18 A 1169 1122 9.55      
19 A 1168 1120 23.68      
20 A 980 941 10.09      
21 A 954 915 0.01      
22 A 944 905 0.52      
23 A 898 861 69.35      
24 A 789 757 488.87      
25 A 599 575 39.65      
26 A 478 458 11.99      
27 A 430 412 4.49      
28 A 322 309 4.60      
29 A 289 277 1.15      
30 A 224 215 1.65      
31 A 212 203 0.02      
32 A 185 177 0.29      
33 A 33 32 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 22971.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 22038.7 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 B2PLYP/cc-pVTZ
ABC
0.25134 0.07001 0.05953

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.544 -0.000 -1.356
C2 0.811 0.000 -0.299
H3 2.509 1.304 -0.491
H4 1.780 1.300 1.119
H5 0.981 2.147 -0.211
C6 1.565 1.268 0.051
H7 2.511 -1.302 -0.491
H8 0.984 -2.147 -0.211
H9 1.781 -1.299 1.118
C10 1.567 -1.267 0.051
O11 -0.432 -0.001 0.446
O12 -2.563 -0.000 0.149
N13 -1.541 0.000 -0.438

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09052.51213.05682.47262.15222.51232.47263.05682.15232.04953.45192.2784
C21.09052.14992.15402.15571.51632.15002.15572.15401.51631.44873.40292.3560
H32.51212.14991.76741.76771.08932.60553.78333.14622.79113.35135.27594.2555
H43.05682.15401.76741.76721.08913.14573.77972.59962.78822.65304.63613.8918
H52.47262.15571.76771.76721.08803.78334.29413.77973.47372.65374.15933.3204
C62.15221.51631.08931.08911.08802.79103.47372.78832.53442.39884.31963.3909
H72.51232.15002.60553.14573.78332.79101.76771.76741.08933.35125.27684.2564
H82.47262.15573.78333.77974.29413.47371.76771.76721.08802.65374.16123.3221
H93.05682.15403.14622.59963.77972.78831.76741.76721.08912.65274.63683.8924
C102.15231.51632.79112.78823.47372.53441.08931.08801.08912.39864.32063.3918
O112.04951.44873.35132.65302.65372.39883.35122.65372.65272.39862.15151.4185
O123.45193.40295.27594.63614.15934.31965.27684.16124.63684.32062.15151.1779
N132.27842.35604.25553.89183.32043.39094.25643.32213.89243.39181.41851.1779

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 110.231 H1 C2 C10 110.234
H1 C2 O11 106.785 C2 C6 H3 110.118
C2 C6 H4 110.460 C2 C6 H5 110.658
C2 C10 H7 110.120 C2 C10 H8 110.659
C2 C10 H9 110.458 C2 O11 N13 110.507
H3 C6 H4 108.450 H3 C6 H5 108.559
H4 C6 H5 108.532 C6 C2 C10 113.376
C6 C2 O11 107.979 H7 C10 H8 108.559
H7 C10 H9 108.449 H8 C10 H9 108.532
C10 C2 O11 107.970 O11 N13 O12 111.588
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.082      
2 C 0.116      
3 H 0.092      
4 H 0.102      
5 H 0.106      
6 C -0.280      
7 H 0.092      
8 H 0.106      
9 H 0.102      
10 C -0.280      
11 O -0.253      
12 O -0.141      
13 N 0.156      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.755 -0.000 0.054
y -0.000 7.034 -0.000
z 0.054 -0.000 6.511


<r2> (average value of r2) Å2
<r2> 192.529
(<r2>)1/2 13.875