return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: LSDA/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 LSDA/6-31G**
 hartrees
Energy at 0K-271.535370
Energy at 298.15K-271.548716
Nuclear repulsion energy256.564918
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 LSDA/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 3726 3657 7.97      
2 A 3077 3020 33.16      
3 A 3077 3020 2.62      
4 A 3064 3007 28.84      
5 A 3059 3001 22.18      
6 A 3024 2968 30.41      
7 A 2997 2941 2.39      
8 A 2984 2928 28.20      
9 A 2975 2919 13.42      
10 A 2969 2913 39.16      
11 A 2958 2903 2.28      
12 A 2860 2806 60.40      
13 A 1455 1427 8.15      
14 A 1447 1420 1.88      
15 A 1442 1415 8.57      
16 A 1438 1411 9.84      
17 A 1435 1408 2.07      
18 A 1422 1396 1.30      
19 A 1388 1362 22.73      
20 A 1363 1338 9.05      
21 A 1359 1334 33.13      
22 A 1336 1311 2.35      
23 A 1322 1297 5.40      
24 A 1272 1248 0.81      
25 A 1251 1228 38.16      
26 A 1234 1211 2.09      
27 A 1199 1177 7.55      
28 A 1156 1135 26.95      
29 A 1144 1122 14.43      
30 A 1103 1082 0.31      
31 A 1075 1054 68.93      
32 A 1061 1042 4.20      
33 A 980 961 2.28      
34 A 942 925 2.12      
35 A 907 890 17.59      
36 A 855 839 1.56      
37 A 834 818 0.86      
38 A 732 719 5.04      
39 A 480 471 7.46      
40 A 438 430 0.32      
41 A 409 401 13.15      
42 A 321 315 6.57      
43 A 302 297 105.97      
44 A 273 268 1.65      
45 A 251 246 0.69      
46 A 182 179 1.69      
47 A 121 119 0.01      
48 A 83 82 0.49      

Unscaled Zero Point Vibrational Energy (zpe) 35389.5 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 34727.8 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 LSDA/6-31G**
ABC
0.23709 0.05914 0.05098

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.480 1.279 0.205
H2 -0.786 2.076 -0.112
H3 -2.487 1.562 -0.153
H4 -1.502 1.250 1.308
O5 -1.971 -1.073 0.081
H6 -2.868 -0.768 -0.150
C7 -1.069 -0.071 -0.330
H8 -1.021 -0.014 -1.445
C9 0.289 -0.502 0.166
H10 0.254 -0.538 1.274
C11 2.775 -0.151 0.142
H12 3.603 0.493 -0.194
H13 2.832 -0.223 1.242
H14 2.953 -1.164 -0.259
C15 1.428 0.376 -0.296
H16 1.397 0.461 -1.401
H17 1.287 1.405 0.087
H18 0.453 -1.544 -0.170

Atom - Atom Distances (Å)
  C1 H2 H3 H4 O5 H6 C7 H8 C9 H10 C11 H12 H13 H14 C15 H16 H17 H18
C11.10321.10491.10402.40562.49811.50912.14592.51072.73014.48915.15944.68275.08263.08653.39522.77273.4416
H21.10321.77721.79213.36963.52422.17592.48982.80653.13584.20694.66654.49514.94892.79753.00572.18783.8257
H31.10491.77721.78922.69452.36042.16942.50973.47333.73605.54076.18315.78096.08484.09304.22513.78464.2759
H41.10401.79211.78922.66852.83952.14853.06762.75362.50704.64915.37574.57835.30373.45364.04593.04903.7165
O52.40563.36962.69452.66850.97481.40952.08632.33272.58104.83485.79675.01404.93643.71423.98674.09312.4822
H62.49813.52422.36042.83950.97481.93752.37783.18373.43935.68346.59285.89255.83494.44784.61124.69453.4102
C71.50912.17592.16942.14851.40951.93751.11781.50852.13093.87314.70804.20844.16802.53682.74062.81092.1237
H82.14592.48982.50973.06762.08632.37781.11782.13363.04874.11674.81774.70254.30392.73332.46503.11272.4778
C92.51072.80653.47332.75362.33273.18371.50852.13361.10842.51033.47912.77522.77741.51062.14742.15361.1067
H102.73013.13583.73602.50702.58103.43932.13093.04871.10842.78943.79882.59683.16532.16273.07522.49981.7704
C114.48914.20695.54074.64914.83485.68343.87314.11672.51032.78941.10191.10391.10391.51082.15712.15302.7252
H125.15944.66656.18315.37575.79676.59284.70804.81773.47913.79881.10191.78051.78112.18082.51502.50513.7513
H134.68274.49515.78094.57835.01405.89254.20844.70252.77522.59681.10391.78051.77542.16723.08432.52413.0655
H145.08264.94896.08485.30374.93645.83494.16804.30392.77743.16531.10391.78111.77542.16692.52293.08082.5299
C153.08652.79754.09303.45363.71424.44782.53682.73331.51062.16271.51082.18082.16722.16691.10821.10732.1563
H163.39523.00574.22514.04593.98674.61122.74062.46502.14743.07522.15712.51503.08432.52291.10821.76542.5347
H172.77272.18783.78463.04904.09314.69452.81093.11272.15362.49982.15302.50512.52413.08081.10731.76543.0747
H183.44163.82574.27593.71652.48223.41022.12372.47781.10671.77042.72523.75133.06552.52992.15632.53473.0747

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 110.976 C1 C7 H8 108.637
C1 C7 C9 112.612 H2 C1 H3 107.196
H2 C1 H4 108.570 H2 C1 C7 111.872
H3 C1 H4 108.199 H3 C1 C7 111.243
H4 C1 C7 109.639 O5 C7 H8 110.746
O5 C7 C9 106.093 H6 O5 C7 107.292
C7 C9 H10 108.053 C7 C9 C15 114.329
C7 C9 H18 107.602 H8 C7 C9 107.729
C9 C15 C11 112.376 C9 C15 H16 109.210
C9 C15 H17 109.739 H10 C9 C15 110.394
H10 C9 H18 106.108 C11 C15 H16 109.952
C11 C15 H17 109.682 H12 C11 H13 107.645
H12 C11 H14 107.694 H12 C11 C15 112.220
H13 C11 H14 107.059 H13 C11 C15 111.011
H14 C11 C15 110.986 C15 C9 H18 109.991
H16 C15 H17 105.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.435      
2 H 0.138      
3 H 0.124      
4 H 0.148      
5 O -0.513      
6 H 0.316      
7 C 0.096      
8 H 0.096      
9 C -0.226      
10 H 0.127      
11 C -0.426      
12 H 0.135      
13 H 0.140      
14 H 0.140      
15 C -0.247      
16 H 0.126      
17 H 0.126      
18 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.474 1.254 -0.553 1.450
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.026 -1.805 1.360
y -1.805 -41.903 0.601
z 1.360 0.601 -39.684
Traceless
 xyz
x 5.768 -1.805 1.360
y -1.805 -4.548 0.601
z 1.360 0.601 -1.220
Polar
3z2-r2-2.439
x2-y26.878
xy-1.805
xz1.360
yz0.601


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.595 -0.156 0.020
y -0.156 8.470 -0.084
z 0.020 -0.084 7.991


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000