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All results from a given calculation for C5H12O (Butane, 1-methoxy-)

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-271.485244
Energy at 298.15K-271.498569
Nuclear repulsion energy245.498409
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 B3LYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3127 3017 29.55      
2 A' 3112 3003 36.11      
3 A' 3064 2956 29.59      
4 A' 3046 2939 21.40      
5 A' 3037 2930 19.08      
6 A' 2987 2883 66.53      
7 A' 2970 2866 27.67      
8 A' 1593 1537 0.68      
9 A' 1577 1521 6.93      
10 A' 1572 1517 13.54      
11 A' 1559 1504 1.56      
12 A' 1551 1497 0.30      
13 A' 1510 1457 1.72      
14 A' 1462 1410 2.96      
15 A' 1428 1378 33.19      
16 A' 1400 1351 0.77      
17 A' 1333 1286 0.11      
18 A' 1203 1161 16.73      
19 A' 1143 1103 2.68      
20 A' 1099 1060 126.77      
21 A' 1060 1023 1.64      
22 A' 1010 974 0.36      
23 A' 941 908 8.59      
24 A' 891 859 11.69      
25 A' 481 464 2.19      
26 A' 374 361 3.10      
27 A' 309 298 1.11      
28 A' 133 129 1.61      
29 A" 3117 3008 80.11      
30 A" 3103 2994 0.81      
31 A" 3063 2955 4.37      
32 A" 3021 2915 72.53      
33 A" 2997 2892 52.47      
34 A" 1568 1513 8.23      
35 A" 1550 1495 6.97      
36 A" 1363 1315 0.05      
37 A" 1350 1303 0.29      
38 A" 1274 1229 0.12      
39 A" 1206 1163 4.33      
40 A" 1158 1118 0.03      
41 A" 995 960 0.06      
42 A" 850 820 0.48      
43 A" 768 741 5.34      
44 A" 252 243 0.82      
45 A" 234 226 2.70      
46 A" 135 130 1.89      
47 A" 104 100 2.28      
48 A" 69 66 1.55      

Unscaled Zero Point Vibrational Energy (zpe) 36572.7 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 35289.0 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 B3LYP/3-21G
ABC
0.53260 0.03952 0.03811

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.426 2.831 0.000
C2 1.429 1.287 0.000
C3 -1.541 -2.684 0.000
O4 -1.401 -1.238 0.000
C5 -0.005 -0.824 0.000
C6 0.000 0.706 0.000
H7 -2.614 -2.888 0.000
H8 2.448 3.227 0.000
H9 0.909 3.213 0.887
H10 0.909 3.213 -0.887
H11 1.970 0.922 0.884
H12 1.970 0.922 -0.884
H13 -1.087 -3.144 0.892
H14 -1.087 -3.144 -0.892
H15 -0.548 1.052 -0.884
H16 -0.548 1.052 0.884
H17 0.519 -1.209 -0.890
H18 0.519 -1.209 0.890

Atom - Atom Distances (Å)
  C1 C2 C3 O4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.54376.26274.95523.92522.55887.00211.09551.09611.09612.17232.17236.54326.54322.80122.80124.23524.2352
C21.54374.95933.79342.55231.54275.81212.19082.18352.18351.09821.09825.17345.17342.17902.17902.80222.8022
C36.26274.95931.45262.41243.72441.09237.13106.44736.44735.11015.11011.10121.10123.96533.96532.68582.6858
O44.95523.79341.45261.45632.39702.04755.89515.09315.09314.10044.10042.12742.12742.59872.59872.11692.1169
C53.92522.55232.41241.45631.53043.32674.73564.23344.23342.78042.78042.71092.71092.14362.14361.10271.1027
C62.55881.54273.72442.39701.53044.44453.51332.81022.81022.16962.16964.09934.09931.09621.09622.17512.1751
H77.00215.81211.09232.04753.32674.44457.93817.10087.10086.02596.02591.78681.78684.53534.53533.66463.6646
H81.09552.19087.13105.89514.73563.51337.93811.77651.77652.51402.51407.34037.34033.80653.80654.91834.9183
H91.09612.18356.44735.09314.23342.81027.10081.77651.77492.52463.08396.66336.89673.15182.60684.78214.4393
H101.09612.18356.44735.09314.23342.81027.10081.77651.77493.08392.52466.89676.66332.60683.15184.43934.7821
H112.17231.09825.11014.10042.78042.16966.02592.51402.52463.08391.76735.08735.38823.07942.52143.12962.5782
H122.17231.09825.11014.10042.78042.16966.02592.51403.08392.52461.76735.38825.08732.52143.07942.57823.1296
H136.54325.17341.10122.12742.71094.09931.78687.34036.66336.89675.08735.38821.78324.58794.23033.08232.5149
H146.54325.17341.10122.12742.71094.09931.78687.34036.89676.66335.38825.08731.78324.23034.58792.51493.0823
H152.80122.17903.96532.59872.14361.09624.53533.80653.15182.60683.07942.52144.58794.23031.76842.50003.0658
H162.80122.17903.96532.59872.14361.09624.53533.80652.60683.15182.52143.07944.23034.58791.76843.06582.5000
H174.23522.80222.68582.11691.10272.17513.66464.91834.78214.43933.12962.57823.08232.51492.50003.06581.7809
H184.23522.80222.68582.11691.10272.17513.66464.91834.43934.78212.57823.12962.51493.08233.06582.50001.7809

picture of Butane, 1-methoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 112.007 C1 C2 H11 109.461
C1 C2 H12 109.461 C2 C1 H8 111.082
C2 C1 H9 110.466 C2 C1 H10 110.466
C2 C6 C5 112.309 C2 C6 H15 110.174
C2 C6 H16 110.174 C3 O4 C5 112.054
O4 C3 H7 106.267 O4 C3 H13 112.093
O4 C3 H14 112.093 O4 C5 C6 106.724
O4 C5 H17 110.878 O4 C5 H18 110.878
C5 C6 H15 108.254 C5 C6 H16 108.254
C6 C2 H11 109.324 C6 C2 H12 109.324
C6 C5 H17 110.336 C6 C5 H18 110.336
H7 C3 H13 109.094 H7 C3 H14 109.094
H8 C1 H9 108.310 H8 C1 H10 108.310
H9 C1 H10 108.113 H11 C2 H12 107.140
H13 C3 H14 108.130 H15 C6 H16 107.528
H17 C5 H18 107.713
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.548     -0.315
2 C -0.389     0.093
3 C -0.309     -0.039
4 O -0.486     -0.360
5 C -0.099     0.078
6 C -0.384     -0.112
7 H 0.203     0.091
8 H 0.186     0.084
9 H 0.188     0.082
10 H 0.188     0.082
11 H 0.186     0.000
12 H 0.186     0.000
13 H 0.171     0.058
14 H 0.171     0.058
15 H 0.200     0.059
16 H 0.200     0.059
17 H 0.168     0.042
18 H 0.168     0.042


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.057 -0.809 0.000 1.331
CHELPG        
AIM        
ESP 1.034 -0.833 0.000 1.328


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.239 1.193 0.000
y 1.193 -35.317 0.000
z 0.000 0.000 -39.609
Traceless
 xyz
x -3.776 1.193 0.000
y 1.193 5.107 0.000
z 0.000 0.000 -1.331
Polar
3z2-r2-2.662
x2-y2-5.922
xy1.193
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.193 1.365 0.000
y 1.365 9.525 0.000
z 0.000 0.000 7.201


<r2> (average value of r2) Å2
<r2> 298.821
(<r2>)1/2 17.286