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: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-271.644306
Energy at 298.15K-271.656334
Nuclear repulsion energy255.031147
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 B1B95/6-31G**
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 3868 3694 17.07      
2 A 3148 3006 61.77      
3 A 3137 2995 15.35      
4 A 3123 2982 5.13      
5 A 3117 2976 38.04      
6 A 3092 2952 34.21      
7 A 3080 2940 27.05      
8 A 3074 2935 23.43      
9 A 3064 2925 30.49      
10 A 2983 2848 53.67      
11 A 1528 1459 2.82      
12 A 1501 1434 5.10      
13 A 1499 1431 2.46      
14 A 1487 1420 0.74      
15 A 1439 1374 4.24      
16 A 1385 1322 34.21      
17 A 1342 1281 0.08      
18 A 1331 1271 1.26      
19 A 1320 1260 9.10      
20 A 1298 1239 7.13      
21 A 1276 1218 18.26      
22 A 1265 1208 2.93      
23 A 1214 1159 26.58      
24 A 1203 1149 0.50      
25 A 1191 1137 1.82      
26 A 1136 1085 62.99      
27 A 1088 1039 35.11      
28 A 1067 1018 5.12      
29 A 988 943 0.77      
30 A 977 932 8.50      
31 A 960 917 2.62      
32 A 910 869 0.08      
33 A 897 856 0.08      
34 A 820 783 0.97      
35 A 767 732 1.94      
36 A 612 584 0.60      
37 A 538 514 5.90      
38 A 461 441 7.32      
39 A 357 341 17.39      
40 A 293 280 111.43      
41 A 181 173 1.00      
42 A 34 32 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 32023.8 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 30576.4 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 B1B95/6-31G**
ABC
0.21639 0.10182 0.07617

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.181 1.280 -0.562
H2 -1.709 1.087 1.116
C3 -1.460 0.788 0.093
H4 -2.037 -1.074 -0.922
H5 -2.007 -1.203 0.823
C6 -1.492 -0.756 -0.031
H7 0.280 -1.413 -1.131
H8 0.196 -2.094 0.490
C9 -0.020 -1.201 -0.100
H10 0.270 2.150 0.188
H11 0.158 1.201 -1.302
C12 -0.017 1.177 -0.221
H13 0.766 0.072 1.454
C14 0.785 0.010 0.353
H15 2.598 0.670 0.199
O16 2.111 -0.098 -0.116

Atom - Atom Distances (Å)
  H1 H2 C3 H4 H5 C6 H7 H8 C9 H10 H11 C12 H13 C14 H15 O16
H11.75361.09182.38592.84842.21413.69244.25933.32322.70742.45532.19403.76943.35374.87804.5307
H21.75361.09432.98832.32782.18133.90593.76053.09362.43103.05732.15872.69642.82174.42354.1857
C31.09181.09432.19772.18951.54883.06103.34722.46352.20442.17651.52772.70512.38984.06133.6857
H42.38592.98832.19771.74941.09212.35112.83192.18224.11743.18453.10513.84913.28115.07804.3378
H52.84842.32782.18951.74941.09243.01522.39942.19114.10273.87053.27323.11663.08015.01044.3663
C62.21412.18131.54881.09211.09242.18692.21601.53983.40562.85802.43882.82622.43274.33763.6641
H73.69243.90593.06102.35113.01522.18691.76031.09443.79962.62212.76113.02072.11763.38882.4731
H84.25933.76053.34722.83192.39942.21601.76031.09154.25563.75073.35392.43872.18973.67382.8324
C93.32323.09362.46352.18222.19111.53981.09441.09153.37642.69192.38122.15731.52353.23192.4001
H102.70742.43102.20444.11744.10273.40563.79964.25563.37641.77041.09402.48312.20692.75862.9217
H112.45533.05732.17653.18453.87052.85802.62213.75072.69191.77041.09563.03922.13262.91332.6283
C122.19402.15871.52773.10513.27322.43882.76113.35392.38121.09401.09562.15321.52702.69622.4828
H133.76942.69642.70513.84913.11662.82623.02072.43872.15732.48313.03922.15321.10272.29972.0746
C143.35372.82172.38983.28113.08012.43272.11762.18971.52352.20692.13261.52701.10271.93571.4113
H154.87804.42354.06135.07805.01044.33763.38883.67383.23192.75862.91332.69622.29971.93570.9621
O164.53074.18573.68574.33784.36633.66412.47312.83242.40012.92172.62832.48282.07461.41130.9621

picture of Cyclopentanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C3 H2 106.677 H1 C3 C6 112.818
H1 C3 C12 112.706 H2 C3 C6 110.046
H2 C3 C12 109.732 C3 C6 H4 111.475
C3 C6 H5 110.801 C3 C6 C9 105.802
C3 C12 H10 113.421 C3 C12 H11 111.060
C3 C12 C14 102.951 H4 C6 H5 106.416
H4 C6 C9 110.875 H5 C6 C9 111.562
C6 C3 C12 104.882 C6 C9 H7 111.103
C6 C9 H8 113.645 C6 C9 C14 105.147
H7 C9 H8 107.284 H7 C9 C14 106.828
H8 C9 C14 112.681 C9 C14 C12 102.631
C9 C14 H13 109.413 C9 C14 O16 109.669
H10 C12 H11 107.907 H10 C12 C14 113.680
H11 C12 C14 107.682 C12 C14 H13 108.860
C12 C14 O16 115.283 H13 C14 O16 110.620
C14 O16 H15 107.777
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.119      
2 H 0.120      
3 C -0.239      
4 H 0.122      
5 H 0.119      
6 C -0.238      
7 H 0.133      
8 H 0.121      
9 C -0.232      
10 H 0.105      
11 H 0.126      
12 C -0.247      
13 H 0.093      
14 C 0.138      
15 H 0.312      
16 O -0.552      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.513 1.180 0.767 1.498
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.959 3.702 1.987
y 3.702 -36.980 0.298
z 1.987 0.298 -37.156
Traceless
 xyz
x -0.891 3.702 1.987
y 3.702 0.577 0.298
z 1.987 0.298 0.314
Polar
3z2-r20.627
x2-y2-0.979
xy3.702
xz1.987
yz0.298


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.621 0.215 -0.015
y 0.215 8.131 0.087
z -0.015 0.087 7.277


<r2> (average value of r2) Å2
<r2> 164.540
(<r2>)1/2 12.827