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: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-51.445388
Energy at 298.15K-51.458637
Nuclear repulsion energy145.497036
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/CEP-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 3785 3656 6.30      
2 A 3116 3009 48.51      
3 A 3109 3002 143.39      
4 A 3103 2997 60.45      
5 A 3095 2989 44.92      
6 A 3088 2982 23.33      
7 A 3057 2952 3.60      
8 A 3039 2935 55.57      
9 A 3035 2931 24.23      
10 A 3031 2927 51.05      
11 A 3027 2923 15.18      
12 A 2983 2881 63.35      
13 A 1510 1458 8.31      
14 A 1500 1449 4.57      
15 A 1499 1448 1.95      
16 A 1498 1447 8.49      
17 A 1492 1441 1.34      
18 A 1482 1431 0.52      
19 A 1425 1376 24.15      
20 A 1412 1364 2.09      
21 A 1409 1361 13.93      
22 A 1381 1334 10.78      
23 A 1359 1313 6.89      
24 A 1318 1273 2.09      
25 A 1301 1256 19.88      
26 A 1275 1231 7.33      
27 A 1232 1189 19.91      
28 A 1165 1125 12.16      
29 A 1131 1093 36.87      
30 A 1093 1055 43.30      
31 A 1073 1036 3.95      
32 A 1029 994 3.65      
33 A 995 961 4.04      
34 A 952 919 12.00      
35 A 902 871 24.26      
36 A 859 829 0.64      
37 A 823 795 0.12      
38 A 728 703 5.14      
39 A 473 457 7.83      
40 A 437 422 1.47      
41 A 399 385 9.61      
42 A 314 304 5.56      
43 A 295 284 122.27      
44 A 259 250 0.13      
45 A 240 231 0.12      
46 A 180 174 1.78      
47 A 113 109 0.01      
48 A 78 76 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 36048.4 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 34812.0 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/CEP-31G*
ABC
0.22737 0.05636 0.04861

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.553 1.293 0.210
H2 -0.888 2.106 -0.131
H3 -2.574 1.532 -0.143
H4 -1.562 1.284 1.314
O5 -2.000 -1.126 0.088
H6 -2.893 -0.873 -0.209
C7 -1.089 -0.079 -0.331
H8 -1.061 -0.040 -1.441
C9 0.301 -0.502 0.185
H10 0.281 -0.507 1.290
C11 2.843 -0.145 0.144
H12 3.666 0.493 -0.223
H13 2.901 -0.171 1.247
H14 3.019 -1.172 -0.224
C15 1.465 0.384 -0.325
H16 1.443 0.424 -1.431
H17 1.336 1.423 0.030
H18 0.468 -1.546 -0.134

Atom - Atom Distances (Å)
  C1 H2 H3 H4 O5 H6 C7 H8 C9 H10 C11 H12 H13 H14 C15 H16 H17 H18
C11.10441.10651.10452.46302.58131.54532.17742.58012.78684.62485.29734.80185.21153.19623.52392.89733.5018
H21.10441.78101.79373.42573.59232.20372.52042.88393.19604.36614.83264.63115.10112.92253.15502.33283.8967
H31.10651.78101.79112.72902.42722.19842.53873.53673.78915.67736.32635.90006.21254.20254.36123.91554.3279
H41.10451.79371.79112.73942.95732.18803.09712.81682.56944.77585.50624.69475.42013.55764.15953.17253.7723
O52.46303.42572.72902.73940.97411.45012.09782.38652.65174.94175.90125.12655.02903.80234.07024.19902.5139
H62.58133.59232.42722.95730.97411.97462.36013.23953.52905.79246.69976.01555.91934.53694.68794.81813.4287
C71.54532.20372.19842.18801.45011.97461.11041.54232.16563.96134.79094.29264.25262.59572.80622.87552.1492
H82.17742.52042.53873.09712.09782.36011.11042.17003.07814.21404.90984.78944.40502.79292.54603.16962.5127
C92.58012.88393.53672.81682.38653.23951.54232.17001.10582.56693.53252.82842.82881.54872.18452.19051.1050
H102.78683.19603.78912.56942.65173.52902.16563.07811.10582.82993.84062.64233.19872.19203.10202.53441.7737
C114.62484.36615.67734.77584.94175.79243.96134.21402.56692.82991.10421.10511.10521.54882.18282.17692.7713
H125.29734.83266.32635.50625.90126.69974.79094.90983.53253.84061.10421.78561.78602.20642.53102.52123.7936
H134.80184.63115.90004.69475.12656.01554.29264.78942.82842.64231.10511.78561.78312.20113.10742.54373.1177
H145.21155.10116.21255.42015.02905.91934.25264.40502.82883.19871.10521.78601.78312.20142.54753.10272.5795
C153.19622.92254.20253.55763.80234.53692.59572.79291.54872.19201.54882.20642.20112.20141.10681.10522.1807
H163.52393.15504.36124.15954.07024.68792.80622.54602.18453.10202.18282.53103.10742.54751.10681.77292.5525
H172.89732.33283.91553.17254.19904.81812.87553.16962.19052.53442.17692.52122.54373.10271.10521.77293.0976
H183.50183.89674.32793.77232.51393.42872.14922.51271.10501.77372.77133.79363.11772.57952.18072.55253.0976

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 110.580 C1 C7 H8 109.049
C1 C7 C9 113.362 H2 C1 H3 107.333
H2 C1 H4 108.592 H2 C1 C7 111.458
H3 C1 H4 108.208 H3 C1 C7 110.916
H4 C1 C7 110.217 O5 C7 H8 109.311
O5 C7 C9 105.746 H6 O5 C7 107.453
C7 C9 H10 108.611 C7 C9 C15 114.227
C7 C9 H18 107.405 H8 C7 C9 108.690
C9 C15 C11 111.930 C9 C15 H16 109.572
C9 C15 H17 110.132 H10 C9 C15 110.215
H10 C9 H18 106.698 C11 C15 H16 109.444
C11 C15 H17 109.069 H12 C11 H13 107.844
H12 C11 H14 107.875 H12 C11 C15 111.436
H13 C11 H14 107.557 H13 C11 C15 110.973
H14 C11 C15 110.990 C15 C9 H18 109.384
H16 C15 H17 106.545
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.542      
2 H 0.154      
3 H 0.157      
4 H 0.160      
5 O -0.459      
6 H 0.359      
7 C 0.026      
8 H 0.114      
9 C -0.272      
10 H 0.134      
11 C -0.444      
12 H 0.175      
13 H 0.135      
14 H 0.132      
15 C -0.226      
16 H 0.125      
17 H 0.122      
18 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.291 1.479 -0.809 1.711
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.774 -2.068 1.861
y -2.068 -42.137 0.861
z 1.861 0.861 -38.929
Traceless
 xyz
x 4.759 -2.068 1.861
y -2.068 -4.785 0.861
z 1.861 0.861 0.026
Polar
3z2-r20.052
x2-y26.362
xy-2.068
xz1.861
yz0.861


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.426 -0.115 0.074
y -0.115 8.158 -0.098
z 0.074 -0.098 7.388


<r2> (average value of r2) Å2
<r2> 200.738
(<r2>)1/2 14.168