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

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 C1 1A
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-271.492619
Energy at 298.15K-271.506045
Nuclear repulsion energy252.629326
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
4/u)
Dep P Dep U
1 A 3463 3331 3.43      
2 A 3133 3014 25.32      
3 A 3117 2998 78.07      
4 A 3112 2993 34.62      
5 A 3106 2988 21.49      
6 A 3098 2981 6.08      
7 A 3067 2950 3.64      
8 A 3057 2941 32.00      
9 A 3046 2930 18.54      
10 A 3045 2929 26.92      
11 A 3039 2923 8.54      
12 A 2979 2866 49.70      
13 A 1574 1514 10.19      
14 A 1568 1509 7.09      
15 A 1566 1506 5.03      
16 A 1561 1502 5.37      
17 A 1557 1497 0.24      
18 A 1546 1487 0.72      
19 A 1464 1408 4.31      
20 A 1455 1400 4.65      
21 A 1441 1386 24.37      
22 A 1410 1357 8.94      
23 A 1394 1341 2.30      
24 A 1367 1316 0.39      
25 A 1348 1297 11.60      
26 A 1316 1266 4.31      
27 A 1271 1222 23.50      
28 A 1211 1165 19.11      
29 A 1152 1108 15.44      
30 A 1112 1069 36.28      
31 A 1078 1038 1.75      
32 A 1039 1000 2.90      
33 A 1017 979 2.35      
34 A 956 920 11.66      
35 A 917 882 14.27      
36 A 905 870 20.42      
37 A 841 809 0.67      
38 A 768 739 4.27      
39 A 477 458 8.56      
40 A 445 428 0.31      
41 A 398 383 9.65      
42 A 321 309 0.57      
43 A 300 289 130.95      
44 A 262 252 0.10      
45 A 244 235 0.04      
46 A 184 177 2.36      
47 A 117 112 0.01      
48 A 85 82 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 36462.5 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 35076.9 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
0.22769 0.05701 0.04921

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.531 1.305 -0.221
H2 0.835 2.106 0.048
H3 2.522 1.576 0.166
H4 1.592 1.230 -1.311
O5 1.990 -1.113 -0.086
H6 2.909 -0.850 0.194
C7 1.079 -0.048 0.349
H8 1.037 0.012 1.449
C9 -0.293 -0.490 -0.177
H10 -0.261 -0.473 -1.274
C11 -2.826 -0.152 -0.168
H12 -3.649 0.466 0.206
H13 -2.858 -0.142 -1.264
H14 -2.990 -1.183 0.167
C15 -1.464 0.370 0.339
H16 -1.458 0.368 1.437
H17 -1.333 1.410 0.015
H18 -0.436 -1.533 0.131

Atom - Atom Distances (Å)
  C1 H2 H3 H4 O5 H6 C7 H8 C9 H10 C11 H12 H13 H14 C15 H16 H17 H18
C11.09441.09771.09482.46522.59171.53612.16892.55992.73624.59485.26544.73775.17543.18723.54442.87563.4708
H21.09441.77241.78523.42233.61392.18782.52692.83873.09834.30634.77684.51725.04552.89473.19442.27653.8544
H31.09771.77241.77992.75312.45762.18042.50973.50903.74485.63046.27075.82586.16434.16824.34943.86154.2914
H41.09481.78521.77992.67382.88612.15653.06732.79232.51744.76795.50934.65635.38523.57744.19483.21613.7177
O52.46523.42232.75312.67380.99571.46782.12862.36862.62464.91165.86375.08244.98713.78294.05034.17352.4713
H62.59173.61392.45762.88610.99572.00402.41283.24353.51385.78836.68895.98995.90814.54204.70084.80963.4137
C71.53612.18782.18042.15651.46782.00401.10261.53452.14703.94024.75834.25504.22832.57692.79182.83772.1322
H82.16892.52692.50973.06732.12862.41281.10262.15973.05504.19054.86944.74844.39152.75932.52013.10232.5083
C92.55992.83873.50902.79232.36863.24351.53452.15971.09722.55513.51062.80672.80571.54142.16762.17421.0966
H102.73623.09833.74482.51742.62463.51382.14703.05501.09722.81123.81452.61743.16642.18123.08052.52131.7676
C114.59484.30635.63044.76794.91165.78833.94024.19052.55512.81121.09561.09621.09621.54422.17212.16892.7763
H125.26544.77686.27075.50935.86376.68894.75834.86943.51063.81451.09561.77641.77662.19162.51562.50873.7854
H134.73774.51725.82584.65635.08245.98994.25504.74842.80672.61741.09621.77641.77452.18453.08442.52383.1216
H145.17545.04556.16435.38524.98715.90814.22834.39152.80573.16641.09621.77661.77452.18412.52293.08122.5785
C153.18722.89474.16823.57743.78294.54202.57692.75931.54142.18121.54422.19162.18452.18411.09851.09712.1728
H163.54443.19444.34944.19484.05034.70082.79182.52012.16763.08052.17212.51563.08442.52291.09851.76742.5230
H172.87562.27653.86153.21614.17354.80962.83773.10232.17422.52132.16892.50872.52383.08121.09711.76743.0787
H183.47083.85444.29143.71772.47133.41372.13222.50831.09661.76762.77633.78543.12162.57852.17282.52303.0787

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 110.288 C1 C7 H8 109.467
C1 C7 C9 112.962 H2 C1 H3 107.915
H2 C1 H4 109.266 H2 C1 C7 111.446
H3 C1 H4 108.548 H3 C1 C7 110.657
H4 C1 C7 108.953 O5 C7 H8 111.023
O5 C7 C9 104.154 H6 O5 C7 107.322
C7 C9 H10 108.192 C7 C9 C15 113.815
C7 C9 H18 107.091 H8 C7 C9 108.861
C9 C15 C11 111.801 C9 C15 H16 109.246
C9 C15 H17 109.838 H10 C9 C15 110.379
H10 C9 H18 107.361 C11 C15 H16 109.398
C11 C15 H17 109.230 H12 C11 H13 108.281
H12 C11 H14 108.305 H12 C11 C15 111.104
H13 C11 H14 108.075 H13 C11 C15 110.503
H14 C11 C15 110.476 C15 C9 H18 109.754
H16 C15 H17 107.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.569      
2 H 0.191      
3 H 0.176      
4 H 0.201      
5 O -0.551      
6 H 0.327      
7 C 0.019      
8 H 0.168      
9 C -0.347      
10 H 0.192      
11 C -0.547      
12 H 0.185      
13 H 0.187      
14 H 0.188      
15 C -0.395      
16 H 0.185      
17 H 0.189      
18 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.453 1.368 0.732 1.616
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.256 1.902 1.769
y 1.902 -42.259 -0.774
z 1.769 -0.774 -39.586
Traceless
 xyz
x 5.666 1.902 1.769
y 1.902 -4.838 -0.774
z 1.769 -0.774 -0.829
Polar
3z2-r2-1.657
x2-y27.003
xy1.902
xz1.769
yz-0.774


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.664 0.034 0.047
y 0.034 7.582 0.097
z 0.047 0.097 7.110


<r2> (average value of r2) Å2
<r2> 241.539
(<r2>)1/2 15.542