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

using model chemistry: BLYP/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 BLYP/6-31G
 hartrees
Energy at 0K-323.454251
Energy at 298.15K-323.462736
Nuclear repulsion energy234.108103
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/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 3065 3042 36.34      
2 A 3061 3038 19.26      
3 A 3053 3030 49.34      
4 A 3046 3023 3.80      
5 A 2979 2956 21.70      
6 A 2975 2952 18.83      
7 A 2972 2949 11.41      
8 A 1555 1543 266.76      
9 A 1514 1503 6.99      
10 A 1501 1489 7.79      
11 A 1496 1485 0.59      
12 A 1488 1477 1.42      
13 A 1425 1414 1.75      
14 A 1409 1398 6.37      
15 A 1354 1343 11.45      
16 A 1328 1318 42.31      
17 A 1194 1185 10.69      
18 A 1132 1123 11.91      
19 A 1124 1116 30.29      
20 A 954 947 0.92      
21 A 935 928 0.15      
22 A 876 869 12.26      
23 A 832 826 18.79      
24 A 692 687 269.42      
25 A 518 514 13.64      
26 A 435 432 13.19      
27 A 404 401 5.81      
28 A 302 300 4.31      
29 A 257 255 0.52      
30 A 200 198 0.05      
31 A 196 195 1.62      
32 A 174 173 0.29      
33 A 54 54 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 22248.6 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 22079.5 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 BLYP/6-31G
ABC
0.23858 0.06410 0.05509

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.549 -0.000 -1.360
C2 0.861 0.000 -0.299
H3 2.566 1.340 -0.537
H4 1.871 1.330 1.112
H5 1.020 2.180 -0.211
C6 1.625 1.294 0.038
H7 2.570 -1.335 -0.539
H8 1.026 -2.180 -0.212
H9 1.876 -1.328 1.111
C10 1.629 -1.291 0.037
O11 -0.402 -0.003 0.513
O12 -2.684 -0.001 0.148
N13 -1.640 0.001 -0.472

Atom - Atom Distances (Å)
  H1 C2 H3 H4 H5 C6 H7 H8 H9 C10 O11 O12 N13
H11.10552.55743.10292.50882.18752.55702.50913.10302.18752.10113.56722.3622
C21.10552.18182.18692.18761.53992.18172.18762.18691.53991.50153.57242.5063
H32.55742.18181.78981.78951.10392.67463.85523.21072.85163.42265.46134.4144
H43.10292.18691.78981.78801.10263.21213.84532.65832.84412.70194.84204.0745
H52.50882.18761.78951.78801.10173.85524.35963.84523.53322.70394.31303.4485
C62.18751.53991.10391.10261.10172.85203.53322.84372.58512.45244.50023.5483
H72.55702.18172.67463.21213.85522.85201.78951.78981.10393.42235.46344.4166
H82.50912.18763.85523.84534.35963.53321.78951.78801.10172.70284.31753.4537
H93.10302.18693.21072.65833.84522.84371.78981.78801.10262.70214.84554.0779
C102.18751.53992.85162.84413.53322.58511.10391.10171.10262.45204.50303.5514
O112.10111.50153.42262.70192.70392.45243.42232.70282.70212.45202.31101.5823
O123.56723.57245.46134.84204.31304.50025.46344.31754.84554.50302.31101.2141
N132.36222.50634.41444.07453.44853.54834.41663.45374.07793.55141.58231.2141

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 110.487 H1 C2 C10 110.488
H1 C2 O11 106.408 C2 C6 H3 110.134
C2 C6 H4 110.612 C2 C6 H5 110.723
C2 C10 H7 110.131 C2 C10 H8 110.723
C2 C10 H9 110.615 C2 O11 N13 108.703
H3 C6 H4 108.421 H3 C6 H5 108.458
H4 C6 H5 108.421 C6 C2 C10 114.150
C6 C2 O11 107.471 H7 C10 H8 108.460
H7 C10 H9 108.420 H8 C10 H9 108.422
C10 C2 O11 107.449 O11 N13 O12 110.780
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.131      
2 C 0.092      
3 H 0.125      
4 H 0.139      
5 H 0.135      
6 C -0.354      
7 H 0.125      
8 H 0.135      
9 H 0.139      
10 C -0.354      
11 O -0.344      
12 O -0.192      
13 N 0.223      


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