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 C5H10O (Cyclopentanol)

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-271.637357
Energy at 298.15K-271.649192
Nuclear repulsion energy251.213688
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 BLYP/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 3655 3627 3.87      
2 A 3036 3013 90.06      
3 A 3028 3004 26.56      
4 A 3018 2994 9.92      
5 A 3005 2982 21.28      
6 A 2989 2966 44.14      
7 A 2975 2952 42.80      
8 A 2971 2948 5.53      
9 A 2969 2946 41.75      
10 A 2879 2857 58.26      
11 A 1496 1484 1.18      
12 A 1474 1462 2.58      
13 A 1471 1460 0.71      
14 A 1463 1451 0.22      
15 A 1397 1386 3.59      
16 A 1337 1326 28.58      
17 A 1303 1293 0.03      
18 A 1296 1286 0.05      
19 A 1283 1273 5.63      
20 A 1260 1250 12.33      
21 A 1256 1247 4.24      
22 A 1218 1209 11.43      
23 A 1187 1178 13.64      
24 A 1169 1160 1.04      
25 A 1154 1145 1.73      
26 A 1048 1040 49.34      
27 A 1026 1018 50.11      
28 A 1004 996 8.94      
29 A 963 956 1.13      
30 A 946 938 1.99      
31 A 920 913 5.24      
32 A 861 855 0.12      
33 A 844 838 0.31      
34 A 794 788 0.11      
35 A 750 745 2.01      
36 A 603 599 0.51      
37 A 520 516 4.42      
38 A 456 453 7.53      
39 A 345 342 15.94      
40 A 288 285 98.37      
41 A 175 173 0.70      
42 A 27 27 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 30927.5 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 30689.4 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 BLYP/6-31G**
ABC
0.20958 0.09871 0.07370

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.038 1.111 -0.958
H2 -2.035 1.252 0.801
C3 -1.508 0.789 -0.049
H4 -2.207 -1.267 -0.596
H5 -1.790 -1.070 1.110
C6 -1.496 -0.778 0.088
H7 0.168 -1.282 -1.265
H8 0.241 -2.167 0.277
C9 -0.030 -1.204 -0.182
H10 0.206 2.119 0.504
H11 0.303 1.442 -1.137
C12 -0.006 1.222 -0.101
H13 0.808 -0.068 1.475
C14 0.799 -0.025 0.364
H15 2.633 0.659 0.238
O16 2.144 -0.094 -0.147

Atom - Atom Distances (Å)
  H1 H2 C3 H4 H5 C6 H7 H8 C9 H10 H11 C12 H13 C14 H15 O16
H11.76461.10122.41103.01592.22633.26884.17943.16152.86152.37132.20833.92583.32974.84314.4267
H21.76461.10142.88482.35462.21773.94184.14053.31902.42043.04252.22043.20633.13834.73924.4907
C31.10121.10142.23942.20841.57312.92843.45032.48472.23802.21121.56362.90162.48044.15293.7576
H42.41102.88482.23941.76761.10092.46792.75082.21744.30033.73233.35903.84923.39145.27574.5282
H53.01592.35462.20841.76761.10313.08572.45442.18753.80963.96703.14642.80802.88964.82844.2429
C62.22632.21771.57311.10091.10312.20302.23231.55043.38523.10882.50102.78152.43124.37473.7105
H73.26883.94182.92842.46793.08572.20301.78011.10413.83332.72952.76633.06412.15253.47862.5618
H84.17944.14053.45032.75082.45442.23231.78011.10094.29243.87673.41922.48242.21603.70312.8457
C93.16153.31902.48472.21742.18751.55041.10411.10093.40092.83242.42722.17621.54143.27692.4404
H102.86152.42042.23804.30033.80963.38523.83334.29243.40091.77811.10262.46762.22842.84553.0127
H112.37133.04252.21123.73233.96703.10882.72953.87672.83241.77811.10323.05882.15622.81622.5933
C122.20832.22041.56363.35903.14642.50102.76633.41922.42721.10261.10322.19331.55492.71982.5206
H133.92583.20632.90163.84922.80802.78153.06412.48242.17622.46763.05882.19331.11132.32182.1006
C143.32973.13832.48043.39142.88962.43122.15252.21601.54142.22842.15621.55491.11131.96171.4401
H154.84314.73924.15295.27574.82844.37473.47863.70313.27692.84552.81622.71982.32181.96170.9770
O164.42674.49073.75764.52824.24293.71052.56182.84572.44043.01272.59332.52062.10061.44010.9770

picture of Cyclopentanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C3 H2 106.478 H1 C3 C6 111.494
H1 C3 C12 110.733 H2 C3 C6 110.801
H2 C3 C12 111.670 C3 C6 H4 112.549
C3 C6 H5 109.976 C3 C6 C9 105.401
C3 C12 H10 113.009 C3 C12 H11 110.844
C3 C12 C14 105.381 H4 C6 H5 106.637
H4 C6 C9 112.402 H5 C6 C9 109.905
C6 C3 C12 105.754 C6 C9 H7 111.061
C6 C9 H8 113.609 C6 C9 C14 103.687
H7 C9 H8 107.659 H7 C9 C14 107.761
H8 C9 C14 112.945 C9 C14 C12 103.240
C9 C14 H13 109.167 C9 C14 O16 109.833
H10 C12 H11 107.437 H10 C12 C14 112.862
H11 C12 C14 107.199 C12 C14 H13 109.574
C12 C14 O16 114.568 H13 C14 O16 110.170
C14 O16 H15 106.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.085      
2 H 0.081      
3 C -0.162      
4 H 0.079      
5 H 0.083      
6 C -0.162      
7 H 0.091      
8 H 0.080      
9 C -0.158      
10 H 0.067      
11 H 0.090      
12 C -0.174      
13 H 0.054      
14 C 0.175      
15 H 0.286      
16 O -0.515      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.501 1.052 0.839 1.436
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.390 3.431 2.226
y 3.431 -37.556 0.347
z 2.226 0.347 -37.645
Traceless
 xyz
x -0.790 3.431 2.226
y 3.431 0.462 0.347
z 2.226 0.347 0.328
Polar
3z2-r20.656
x2-y2-0.835
xy3.431
xz2.226
yz0.347


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> 169.364
(<r2>)1/2 13.014