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

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-323.535109
Energy at 298.15K-323.543951
Nuclear repulsion energy244.486762
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 B1B95/6-31G(2df,p)
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 3157 3024 20.65      
2 A 3155 3022 12.56      
3 A 3152 3019 34.96      
4 A 3147 3014 0.03      
5 A 3068 2938 9.16      
6 A 3064 2934 10.06      
7 A 3062 2932 13.71      
8 A 1789 1713 237.82      
9 A 1502 1438 5.75      
10 A 1487 1424 5.68      
11 A 1478 1415 0.17      
12 A 1473 1411 0.28      
13 A 1408 1349 11.19      
14 A 1397 1338 18.44      
15 A 1366 1308 27.05      
16 A 1358 1301 3.25      
17 A 1204 1153 17.84      
18 A 1172 1123 25.34      
19 A 1165 1115 8.77      
20 A 993 951 4.76      
21 A 942 902 0.14      
22 A 926 886 0.96      
23 A 915 877 266.48      
24 A 865 828 279.83      
25 A 628 602 8.33      
26 A 485 464 1.14      
27 A 424 406 3.69      
28 A 318 304 0.73      
29 A 286 274 1.21      
30 A 219 209 0.66      
31 A 204 195 0.03      
32 A 187 179 0.24      
33 A 42 40 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 23017.3 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 22043.7 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 B1B95/6-31G(2df,p)
ABC
0.25219 0.07138 0.06048

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.534 0.000 -1.359
C2 0.799 0.000 -0.296
H3 2.501 1.304 -0.490
H4 1.770 1.302 1.123
H5 0.970 2.151 -0.210
C6 1.554 1.267 0.053
H7 2.502 -1.303 -0.490
H8 0.971 -2.150 -0.210
H9 1.771 -1.301 1.123
C10 1.555 -1.267 0.053
O11 -0.438 -0.000 0.435
O12 -2.538 -0.000 0.152
N13 -1.523 0.000 -0.435

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.09502.51533.06332.47702.15432.51532.47713.06342.15442.04033.42292.2550
C21.09502.15292.15712.15911.51612.15292.15902.15711.51611.43723.36692.3267
H32.51532.15291.77081.77171.09202.60753.78863.15022.79303.34585.24444.2310
H43.06332.15711.77081.77121.09233.15023.78602.60322.79112.65414.60423.8693
H52.47702.15911.77171.77121.09113.78874.30103.78603.47722.65044.13053.3005
C62.15431.51611.09201.09231.09112.79303.47712.79112.53442.39204.28513.3641
H72.51532.15292.60753.15023.78872.79301.77171.77081.09203.34585.24464.2312
H82.47712.15903.78863.78604.30103.47711.77171.77121.09112.65024.13103.3010
H93.06342.15713.15022.60323.78602.79111.77081.77121.09232.65404.60443.8696
C102.15441.51612.79302.79113.47722.53441.09201.09111.09232.39194.28543.3644
O112.04031.43723.34582.65412.65042.39203.34582.65022.65402.39192.11911.3915
O123.42293.36695.24444.60424.13054.28515.24464.13104.60444.28542.11911.1719
N132.25502.32674.23103.86933.30053.36414.23123.30103.86963.36441.39151.1719

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 110.144 H1 C2 C10 110.148
H1 C2 O11 106.583 C2 C6 H3 110.210
C2 C6 H4 110.530 C2 C6 H5 110.756
C2 C10 H7 110.212 C2 C10 H8 110.755
C2 C10 H9 110.530 C2 O11 N13 110.667
H3 C6 H4 108.333 H3 C6 H5 108.502
H4 C6 H5 108.436 C6 C2 C10 113.399
C6 C2 O11 108.152 H7 C10 H8 108.503
H7 C10 H9 108.332 H8 C10 H9 108.437
C10 C2 O11 108.146 O11 N13 O12 111.223
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.113      
2 C 0.115      
3 H 0.133      
4 H 0.142      
5 H 0.140      
6 C -0.408      
7 H 0.133      
8 H 0.140      
9 H 0.142      
10 C -0.408      
11 O -0.257      
12 O -0.223      
13 N 0.238      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.614 0.000 -0.647 2.693
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.160 -0.000 0.145
y -0.000 -34.171 0.001
z 0.145 0.001 -36.172
Traceless
 xyz
x -2.989 -0.000 0.145
y -0.000 2.996 0.001
z 0.145 0.001 -0.007
Polar
3z2-r2-0.014
x2-y2-3.990
xy-0.000
xz0.145
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.860 -0.000 0.017
y -0.000 6.485 0.000
z 0.017 0.000 5.956


<r2> (average value of r2) Å2
<r2> 189.508
(<r2>)1/2 13.766