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All results from a given calculation for C5H12O (2-Pentanol)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-272.881392
Energy at 298.15K-272.894820
Nuclear repulsion energy254.406320
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 B3PW91/6-31G*
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 3780 3617 8.07      
2 A 3143 3007 28.63      
3 A 3131 2995 37.50      
4 A 3127 2992 61.34      
5 A 3120 2985 32.05      
6 A 3099 2965 32.47      
7 A 3072 2939 3.66      
8 A 3053 2921 42.80      
9 A 3049 2917 19.99      
10 A 3048 2916 38.10      
11 A 3037 2906 9.67      
12 A 2970 2841 59.19      
13 A 1535 1469 6.05      
14 A 1526 1460 4.98      
15 A 1525 1459 1.78      
16 A 1524 1458 7.78      
17 A 1519 1453 1.40      
18 A 1508 1442 0.45      
19 A 1448 1385 19.59      
20 A 1437 1375 3.89      
21 A 1432 1370 19.35      
22 A 1408 1347 9.75      
23 A 1391 1331 3.94      
24 A 1340 1282 1.20      
25 A 1325 1268 21.81      
26 A 1296 1240 6.00      
27 A 1258 1203 16.95      
28 A 1196 1145 15.21      
29 A 1163 1112 35.81      
30 A 1112 1064 47.34      
31 A 1104 1056 1.58      
32 A 1058 1012 2.82      
33 A 1015 971 4.65      
34 A 976 934 9.56      
35 A 925 885 20.30      
36 A 884 846 0.81      
37 A 847 810 0.29      
38 A 753 720 3.50      
39 A 492 470 8.58      
40 A 450 430 1.28      
41 A 412 394 9.23      
42 A 320 306 1.00      
43 A 310 297 120.66      
44 A 267 255 1.01      
45 A 248 237 0.53      
46 A 183 175 1.59      
47 A 115 110 0.01      
48 A 81 78 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 36506.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 34926.0 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 B3PW91/6-31G*
ABC
0.23318 0.05755 0.04964

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.535 1.289 0.207
H2 -0.871 2.098 -0.119
H3 -2.543 1.531 -0.154
H4 -1.560 1.276 1.302
O5 -1.977 -1.096 0.082
H6 -2.863 -0.845 -0.214
C7 -1.080 -0.067 -0.326
H8 -1.044 -0.020 -1.430
C9 0.296 -0.491 0.179
H10 0.272 -0.511 1.278
C11 2.815 -0.147 0.145
H12 3.631 0.491 -0.213
H13 2.879 -0.189 1.239
H14 2.993 -1.161 -0.234
C15 1.454 0.380 -0.308
H16 1.432 0.437 -1.405
H17 1.329 1.409 0.054
H18 0.455 -1.528 -0.145

Atom - Atom Distances (Å)
  C1 H2 H3 H4 O5 H6 C7 H8 C9 H10 C11 H12 H13 H14 C15 H16 H17 H18
C11.09551.09801.09612.42922.54821.52592.15212.55392.76634.58105.24344.76815.16673.16633.48262.87063.4671
H21.09551.76541.78033.38603.55442.18452.49652.85583.17234.32424.78114.59805.05622.89763.11792.31243.8613
H31.09801.76541.77552.69852.39822.17342.50603.50193.76135.62266.26095.85696.15634.16274.30893.87984.2838
H41.09611.78031.77552.70042.91422.16463.06762.79882.56004.74445.46434.67575.38833.53334.12243.15053.7447
O52.42923.38602.69852.70040.96771.42492.07702.35392.61344.88485.83495.07354.97983.75524.02304.14812.4801
H62.54823.55442.39822.91420.96771.94842.33833.20303.48785.73156.62945.95925.86424.48844.63824.76713.3884
C71.52592.18452.17342.16461.42491.94841.10531.52612.14423.92404.74494.25914.21832.57342.78062.85092.1274
H82.15212.49652.50603.06762.07702.33831.10532.14603.05004.16954.85724.74784.36182.76762.51823.14262.4846
C92.55392.85583.50192.79882.35393.20301.52612.14601.09922.54213.49802.80842.80911.52852.15942.16661.0980
H102.76633.17233.76132.56002.61343.48782.14423.05001.09922.80703.80822.62703.17962.16863.07302.51001.7584
C114.58104.32425.62264.74444.88485.73153.92404.16952.54212.80701.09591.09681.09671.52762.15792.15352.7493
H125.24344.78116.26095.46435.83496.62944.74494.85723.49803.80821.09591.77041.77092.18122.50162.49203.7637
H134.76814.59805.85694.67575.07355.95924.25914.74782.80842.62701.09681.77041.76862.17863.07882.52203.0959
H145.16675.05626.15635.38834.97985.86424.21834.36182.80913.17961.09671.77091.76862.17852.52193.07502.5657
C153.16632.89764.16273.53333.75524.48842.57342.76761.52852.16861.52762.18122.17862.17851.09971.09822.1600
H163.48263.11794.30894.12244.02304.63822.78062.51822.15943.07302.15792.50163.07882.52191.09971.75692.5312
H172.87062.31243.87983.15054.14814.76712.85093.14262.16662.51002.15352.49202.52203.07501.09821.75693.0712
H183.46713.86134.28383.74472.48013.38842.12742.48461.09801.75842.74933.76373.09592.56572.16002.53123.0712

picture of 2-Pentanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C7 O5 110.777 C1 C7 H8 108.694
C1 C7 C9 113.604 H2 C1 H3 107.182
H2 C1 H4 108.651 H2 C1 C7 111.833
H3 C1 H4 108.040 H3 C1 C7 110.791
H4 C1 C7 110.210 O5 C7 H8 109.700
O5 C7 C9 105.765 H6 O5 C7 107.507
C7 C9 H10 108.420 C7 C9 C15 114.803
C7 C9 H18 107.202 H8 C7 C9 108.213
C9 C15 C11 112.573 C9 C15 H16 109.412
C9 C15 H17 110.059 H10 C9 C15 110.168
H10 C9 H18 106.316 C11 C15 H16 109.359
C11 C15 H17 109.100 H12 C11 H13 107.694
H12 C11 H14 107.736 H12 C11 C15 111.425
H13 C11 H14 107.476 H13 C11 C15 111.162
H14 C11 C15 111.162 C15 C9 H18 109.556
H16 C15 H17 106.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.531     -0.433
2 H 0.170     0.099
3 H 0.155     0.106
4 H 0.178     0.128
5 O -0.637     -0.652
6 H 0.398     0.415
7 C 0.110     0.298
8 H 0.133     0.004
9 C -0.305     -0.148
10 H 0.163     0.084
11 C -0.507     -0.321
12 H 0.166     0.083
13 H 0.167     0.078
14 H 0.167     0.083
15 C -0.316     0.073
16 H 0.157     0.010
17 H 0.160     0.021
18 H 0.172     0.077


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.411 1.294 -0.726 1.539
CHELPG        
AIM        
ESP -0.408 1.292 -0.713 1.531


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.178 -1.721 1.810
y -1.721 -41.786 0.775
z 1.810 0.775 -39.239
Traceless
 xyz
x 5.335 -1.721 1.810
y -1.721 -4.578 0.775
z 1.810 0.775 -0.757
Polar
3z2-r2-1.514
x2-y26.608
xy-1.721
xz1.810
yz0.775


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> 239.273
(<r2>)1/2 15.468