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 (1-Pentanol)

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-271.218133
Energy at 298.15K-271.231817
Nuclear repulsion energy245.355329
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 HF/6-31G(2df,p)
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' 4191 3795 49.67      
2 A' 3229 2924 57.18      
3 A' 3173 2873 56.43      
4 A' 3161 2863 32.29      
5 A' 3155 2857 41.62      
6 A' 3143 2846 33.50      
7 A' 3123 2828 40.76      
8 A' 1654 1498 3.04      
9 A' 1631 1477 3.81      
10 A' 1621 1468 0.27      
11 A' 1611 1459 1.73      
12 A' 1607 1455 0.42      
13 A' 1598 1447 8.12      
14 A' 1543 1397 0.61      
15 A' 1535 1390 1.96      
16 A' 1479 1339 12.26      
17 A' 1404 1271 30.66      
18 A' 1332 1206 51.68      
19 A' 1211 1097 4.78      
20 A' 1182 1070 92.96      
21 A' 1130 1023 0.21      
22 A' 1096 992 0.26      
23 A' 1069 968 10.94      
24 A' 956 866 1.98      
25 A' 530 480 11.89      
26 A' 386 350 0.10      
27 A' 336 304 4.31      
28 A' 145 131 1.51      
29 A" 3228 2923 147.11      
30 A" 3217 2913 35.09      
31 A" 3188 2886 7.04      
32 A" 3164 2865 5.97      
33 A" 3148 2851 49.76      
34 A" 1616 1464 4.77      
35 A" 1442 1306 0.46      
36 A" 1428 1293 0.42      
37 A" 1408 1275 0.20      
38 A" 1343 1216 1.01      
39 A" 1295 1173 2.40      
40 A" 1058 958 1.01      
41 A" 923 836 0.12      
42 A" 823 746 0.49      
43 A" 781 708 1.81      
44 A" 286 259 120.24      
45 A" 264 239 2.04      
46 A" 166 150 1.73      
47 A" 106 96 4.19      
48 A" 85 77 1.89      

Unscaled Zero Point Vibrational Energy (zpe) 38597.6 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 34950.1 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 HF/6-31G(2df,p)
ABC
0.53506 0.03818 0.03683

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.310 -2.786 0.000
H2 2.169 -3.166 0.000
C3 1.411 -1.388 0.000
H4 1.957 -1.042 0.878
H5 1.957 -1.042 -0.878
C6 0.009 -0.805 0.000
H7 -0.519 -1.183 -0.872
H8 -0.519 -1.183 0.872
C9 0.000 0.723 0.000
H10 0.541 1.090 0.871
H11 0.541 1.090 -0.871
C12 -1.410 1.315 0.000
H13 -1.952 0.950 0.871
H14 -1.952 0.950 -0.871
C15 -1.418 2.842 0.000
H16 -0.912 3.237 0.877
H17 -0.912 3.237 -0.877
H18 -2.432 3.230 0.000

Atom - Atom Distances (Å)
  O1 H2 C3 H4 H5 C6 H7 H8 C9 H10 H11 C12 H13 H14 C15 H16 H17 H18
O10.93931.40102.05732.05732.36902.58362.58363.74484.04634.04634.92025.03515.03516.25406.47896.47897.0843
H20.93931.93202.30842.30843.19913.45223.45224.45224.63904.63905.73405.88875.88876.99707.15917.15917.8784
C31.40101.93201.09071.09071.51832.12832.12832.53922.76752.76753.90694.18774.18775.08935.24975.24976.0082
H42.05732.30841.09071.75692.14953.03572.48012.77722.55893.09994.20204.38684.72265.21955.15115.44226.1869
H52.05732.30841.09071.75692.14952.48013.03572.77723.09992.55894.20204.72264.38685.21955.44225.15116.1869
C62.36903.19911.51832.14952.14951.08741.08741.52812.15322.15322.55122.77242.77243.91694.23784.23784.7163
H72.58363.45222.12833.03572.48011.08741.74442.15903.05482.50832.79133.10482.56954.21544.76964.43714.8878
H82.58363.45222.12832.48013.03571.08741.74442.15902.50833.05482.79132.56953.10484.21544.43714.76964.8878
C93.74484.45222.53922.77722.77721.52812.15902.15901.08971.08971.52902.14922.14922.55012.81482.81483.4930
H104.04634.63902.76752.55893.09992.15323.05482.50831.08971.74282.14862.49703.04462.76892.59233.12713.7655
H114.04634.63902.76753.09992.55892.15322.50833.05481.08971.74282.14863.04462.49702.76893.12712.59233.7655
C124.92025.73403.90694.20204.20202.55122.79132.79131.52902.14862.14861.08841.08841.52762.17082.17082.1709
H135.03515.88874.18774.38684.72262.77243.10482.56952.14922.49703.04461.08841.74132.15002.51193.06032.4869
H145.03515.88874.18774.72264.38682.77242.56953.10482.14923.04462.49701.08841.74132.15003.06032.51192.4869
C156.25406.99705.08935.21955.21953.91694.21544.21542.55012.76892.76891.52762.15002.15001.08701.08701.0859
H166.47897.15915.24975.15115.44224.23784.76964.43712.81482.59233.12712.17082.51193.06031.08701.75501.7553
H176.47897.15915.24975.44225.15114.23784.43714.76962.81483.12712.59232.17083.06032.51191.08701.75501.7553
H187.08437.87846.00826.18696.18694.71634.88784.88783.49303.76553.76552.17092.48692.48691.08591.75531.7553

picture of 1-Pentanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 H4 110.697 O1 C3 H5 110.697
O1 C3 C6 108.417 H2 O1 C3 109.708
C3 C6 H7 108.393 C3 C6 H8 108.393
C3 C6 C9 112.919 H4 C3 H5 107.300
H4 C3 C6 109.864 H5 C3 C6 109.864
C6 C9 H10 109.533 C6 C9 H11 109.533
C6 C9 C12 113.126 H7 C6 H8 106.664
H7 C6 C9 110.127 H8 C6 C9 110.127
C9 C12 H13 109.238 C9 C12 H14 109.238
C9 C12 C15 113.082 H10 C9 H11 106.194
H10 C9 C12 109.109 H11 C9 C12 109.109
C12 C15 H16 111.136 C12 C15 H17 111.136
C12 C15 H18 111.205 H13 C12 H14 106.251
H13 C12 C15 109.402 H14 C12 C15 109.402
H16 C15 H17 107.661 H16 C15 H18 107.767
H17 C15 H18 107.767
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.573      
2 H 0.326      
3 C 0.020      
4 H 0.102      
5 H 0.102      
6 C -0.229      
7 H 0.130      
8 H 0.130      
9 C -0.242      
10 H 0.116      
11 H 0.116      
12 C -0.220      
13 H 0.120      
14 H 0.120      
15 C -0.409      
16 H 0.129      
17 H 0.129      
18 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.258 0.751 0.000 1.465
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.730 -3.738 0.000
y -3.738 -43.314 0.000
z 0.000 0.000 -39.373
Traceless
 xyz
x 6.613 -3.738 0.000
y -3.738 -6.262 0.000
z 0.000 0.000 -0.351
Polar
3z2-r2-0.702
x2-y28.583
xy-3.738
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.500 -1.019 0.000
y -1.019 9.438 0.000
z 0.000 0.000 7.538


<r2> (average value of r2) Å2
<r2> 300.494
(<r2>)1/2 17.335