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

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-321.763413
Energy at 298.15K-321.771917
Nuclear repulsion energy233.938961
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 BLYP/3-21G
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 3058 3041 31.86      
2 A 3053 3037 15.50      
3 A 3050 3033 38.43      
4 A 3043 3027 2.46      
5 A 2985 2969 14.86      
6 A 2981 2965 14.59      
7 A 2979 2962 7.82      
8 A 1539 1531 10.36      
9 A 1524 1516 8.37      
10 A 1519 1510 0.65      
11 A 1511 1503 1.18      
12 A 1427 1420 6.19      
13 A 1411 1403 7.86      
14 A 1386 1379 123.03      
15 A 1362 1354 11.60      
16 A 1299 1292 66.76      
17 A 1193 1186 18.87      
18 A 1128 1122 28.81      
19 A 1116 1110 12.09      
20 A 959 954 1.59      
21 A 927 922 0.07      
22 A 876 871 5.82      
23 A 838 833 76.85      
24 A 764 760 220.56      
25 A 509 506 5.37      
26 A 446 443 1.07      
27 A 388 386 4.98      
28 A 301 300 0.44      
29 A 257 255 0.77      
30 A 204 203 0.02      
31 A 193 192 0.98      
32 A 170 170 0.30      
33 A 53 53 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 22223.1 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 22100.8 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 BLYP/3-21G
ABC
0.23791 0.06435 0.05540

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.530 -0.000 -1.361
C2 0.848 0.000 -0.305
H3 2.559 1.337 -0.549
H4 1.870 1.309 1.108
H5 1.011 2.174 -0.202
C6 1.625 1.291 0.034
H7 2.561 -1.335 -0.548
H8 1.013 -2.175 -0.204
H9 1.870 -1.309 1.108
C10 1.625 -1.291 0.034
O11 -0.400 -0.000 0.536
O12 -2.684 -0.000 0.140
N13 -1.618 0.000 -0.477

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.10352.56223.09922.51062.19382.56262.51023.09912.19382.11363.54802.3235
C21.10352.18522.17992.18291.54432.18522.18312.17981.54441.50543.56062.4726
H32.56222.18521.79481.79431.10262.67243.85263.19712.84933.42445.45534.3870
H43.09922.17991.79481.79011.10163.19533.81932.61722.82322.68244.83684.0490
H52.51062.18291.79431.79011.10123.85244.34893.81923.52742.69564.30123.4229
C62.19381.54431.10261.10161.10122.84863.52742.82372.58222.45394.49973.5279
H72.56262.18522.67243.19533.85242.84861.79431.79481.10263.42445.45604.3878
H82.51022.18313.85263.81934.34893.52741.79431.79011.10122.69644.30273.4242
H93.09912.17983.19712.61723.81922.82371.79481.79011.10162.68174.83624.0486
C102.19381.54442.84932.82323.52742.58221.10261.10121.10162.45394.50023.5284
O112.11361.50543.42442.68242.69562.45393.42442.69642.68172.45392.31821.5844
O123.54803.56065.45534.83684.30124.49975.45604.30274.83624.50022.31821.2317
N132.32352.47264.38704.04903.42293.52794.38783.42424.04863.52841.58441.2317

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 110.793 H1 C2 C10 110.789
H1 C2 O11 107.211 C2 C6 H3 110.171
C2 C6 H4 109.814 C2 C6 H5 110.073
C2 C10 H7 110.166 C2 C10 H8 110.082
C2 C10 H9 109.803 C2 O11 N13 106.281
H3 C6 H4 109.027 H3 C6 H5 109.014
H4 C6 H5 108.709 C6 C2 C10 113.444
C6 C2 O11 107.137 H7 C10 H8 109.018
H7 C10 H9 109.030 H8 C10 H9 108.711
C10 C2 O11 107.136 O11 N13 O12 110.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.189      
2 C -0.013      
3 H 0.178      
4 H 0.192      
5 H 0.190      
6 C -0.513      
7 H 0.178      
8 H 0.190      
9 H 0.192      
10 C -0.513      
11 O -0.295      
12 O -0.223      
13 N 0.247      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.072 0.000 -0.875 2.249
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.592 -0.000 0.545
y -0.000 -34.583 0.001
z 0.545 0.001 -36.700
Traceless
 xyz
x -1.950 -0.000 0.545
y -0.000 2.563 0.001
z 0.545 0.001 -0.612
Polar
3z2-r2-1.224
x2-y2-3.009
xy-0.000
xz0.545
yz0.001


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> 204.438
(<r2>)1/2 14.298