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All results from a given calculation for C4H10O (Propane, 2-methoxy-)

using model chemistry: HF/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/3-21G
 hartrees
Energy at 0K-230.858371
Energy at 298.15K-230.869812
Nuclear repulsion energy196.873080
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 HF/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 3286 2976 48.58      
2 A 3279 2969 55.07      
3 A 3272 2964 15.43      
4 A 3272 2963 54.13      
5 A 3259 2951 4.66      
6 A 3244 2937 2.83      
7 A 3241 2935 68.91      
8 A 3208 2906 17.80      
9 A 3201 2899 8.83      
10 A 3194 2893 22.53      
11 A 1700 1539 11.83      
12 A 1686 1527 3.81      
13 A 1682 1523 4.36      
14 A 1670 1512 9.67      
15 A 1660 1504 0.49      
16 A 1656 1500 1.34      
17 A 1630 1477 1.84      
18 A 1575 1426 11.67      
19 A 1561 1414 14.76      
20 A 1508 1365 10.46      
21 A 1506 1364 8.76      
22 A 1332 1206 67.73      
23 A 1323 1199 79.74      
24 A 1288 1166 5.04      
25 A 1266 1146 2.29      
26 A 1221 1105 25.44      
27 A 1143 1035 48.59      
28 A 1046 947 1.94      
29 A 1004 910 0.73      
30 A 957 867 12.25      
31 A 815 738 5.84      
32 A 580 525 4.03      
33 A 422 383 13.36      
34 A 394 357 2.00      
35 A 310 281 1.79      
36 A 274 248 0.09      
37 A 272 247 1.91      
38 A 193 175 3.60      
39 A 75 68 5.58      

Unscaled Zero Point Vibrational Energy (zpe) 32102.2 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 29071.8 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 HF/3-21G
ABC
0.21421 0.13613 0.10676

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.745 -0.000 0.406
H2 1.618 -0.880 1.025
H3 2.747 -0.001 0.002
H4 1.619 0.881 1.023
O5 0.863 -0.001 -0.725
C6 -1.018 -1.270 0.254
H7 -2.100 -1.331 0.241
H8 -0.613 -2.144 -0.240
H9 -0.695 -1.274 1.289
C10 -1.017 1.270 0.254
H11 -2.099 1.332 0.240
H12 -0.694 1.275 1.289
H13 -0.612 2.144 -0.241
C14 -0.559 0.000 -0.475
H15 -0.984 0.000 -1.468

Atom - Atom Distances (Å)
  C1 H2 H3 H4 O5 C6 H7 H8 H9 C10 H11 H12 H13 C14 H15
C11.08351.07981.08341.43443.04434.07203.25222.89083.04384.07162.89043.25142.46693.3105
H21.08351.75841.76192.09912.77373.82652.85972.36143.48764.39643.17213.96542.78663.7096
H31.07981.75841.75842.01923.98025.03103.99243.88853.98015.03103.88863.99233.33994.0095
H41.08341.76191.75842.09913.48884.39753.96673.17372.77343.82642.36162.85842.78683.7095
O51.43442.09912.01922.09912.47073.38782.64712.84662.47093.38782.84682.64731.44371.9904
C63.04432.77373.98023.48882.47071.08401.08311.08382.53992.81742.76553.47351.53422.1404
H74.07203.82655.03104.39753.38781.08401.76161.75382.81742.66263.14033.81072.15772.4367
H83.25222.85973.99243.96672.64711.08311.76161.76163.47353.81073.74604.28842.15752.4985
H92.89082.36143.88853.17372.84661.08381.75381.76162.76553.14042.54863.74602.17993.0512
C103.04383.48763.98012.77342.47092.53992.81743.47352.76551.08401.08381.08311.53422.1403
H114.07164.39645.03103.82643.38782.81742.66263.81073.14041.08401.75381.76152.15772.4366
H122.89043.17213.88862.36162.84682.76553.14033.74602.54861.08381.75381.76162.17993.0512
H133.25143.96543.99232.85842.64733.47353.81074.28843.74601.08311.76151.76162.15762.4985
C142.46692.78663.33992.78681.44371.53422.15772.15752.17991.53422.15772.17992.15761.0806
H153.31053.70964.00953.70951.99042.14042.43672.49853.05122.14032.43663.05122.49851.0806

picture of Propane, 2-methoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O5 C14 117.987 H2 C1 H3 108.753
H2 C1 H4 108.801 H2 C1 O5 112.205
H3 C1 H4 108.753 H3 C1 O5 105.996
H4 C1 O5 112.204 O5 C14 C6 112.103
O5 C14 C10 112.111 O5 C14 H15 103.144
C6 C14 C10 111.746 C6 C14 H15 108.640
H7 C6 H8 108.758 H7 C6 H9 108.002
H7 C6 C14 109.807 H8 C6 H9 108.771
H8 C6 C14 109.849 H9 C6 C14 111.589
C10 C14 H15 108.638 H11 C10 H12 108.002
H11 C10 H13 108.756 H11 C10 C14 109.805
H12 C10 H13 108.771 H12 C10 C14 111.590
H13 C10 C14 109.852
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.259 0.214   0.098
2 H 0.181 0.002   0.034
3 H 0.216 0.045   0.081
4 H 0.181 0.002   0.034
5 O -0.649 -0.618   -0.585
6 C -0.609 -0.391   -0.568
7 H 0.201 0.077   0.130
8 H 0.221 0.104   0.153
9 H 0.198 0.098   0.152
10 C -0.609 -0.393   -0.568
11 H 0.201 0.078   0.130
12 H 0.198 0.098   0.152
13 H 0.221 0.104   0.153
14 C 0.075 0.612   0.602
15 H 0.233 -0.033   0.002


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.646 0.001 1.585 1.711
CHELPG -0.629 0.001 1.624 1.741
AIM        
ESP -0.632 0.002 1.614 1.733


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.198 0.001 3.007
y 0.001 -33.580 -0.001
z 3.007 -0.001 -34.639
Traceless
 xyz
x 2.911 0.001 3.007
y 0.001 -0.661 -0.001
z 3.007 -0.001 -2.250
Polar
3z2-r2-4.500
x2-y22.382
xy0.001
xz3.007
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.010 0.000 0.239
y 0.000 6.098 -0.000
z 0.239 -0.000 5.669


<r2> (average value of r2) Å2
<r2> 135.517
(<r2>)1/2 11.641