Sorry, I lost your molecule, please back up and select it again.
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 (2-Pentanol)

using model chemistry: B3PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-269.514246
Energy at 298.15K-269.527215
Nuclear repulsion energy250.205063
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 B3PW91/STO-3G
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 3730 3301 43.40      
2 A 3511 3108 0.91      
3 A 3507 3103 3.13      
4 A 3504 3101 1.80      
5 A 3497 3095 1.93      
6 A 3478 3078 3.65      
7 A 3462 3064 0.19      
8 A 3366 2979 6.42      
9 A 3358 2972 0.45      
10 A 3332 2949 2.64      
11 A 3328 2945 1.20      
12 A 3270 2894 20.36      
13 A 1702 1506 3.15      
14 A 1692 1497 3.84      
15 A 1689 1495 1.26      
16 A 1686 1492 3.43      
17 A 1682 1489 0.57      
18 A 1667 1475 0.48      
19 A 1604 1419 12.01      
20 A 1583 1401 0.14      
21 A 1565 1385 4.56      
22 A 1538 1361 4.82      
23 A 1486 1315 12.65      
24 A 1451 1284 3.72      
25 A 1435 1270 0.05      
26 A 1386 1226 3.07      
27 A 1353 1198 14.31      
28 A 1283 1135 17.21      
29 A 1237 1094 7.73      
30 A 1199 1061 10.41      
31 A 1178 1042 1.40      
32 A 1140 1009 0.55      
33 A 1089 964 1.24      
34 A 1039 920 1.00      
35 A 991 877 6.80      
36 A 951 842 1.58      
37 A 900 797 2.04      
38 A 798 707 6.25      
39 A 491 435 2.98      
40 A 455 402 0.43      
41 A 397 351 3.94      
42 A 352 311 68.82      
43 A 321 284 0.67      
44 A 239 211 0.07      
45 A 211 187 0.30      
46 A 187 165 1.14      
47 A 103 91 0.03      
48 A 66 59 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 39742.3 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 35172.0 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 B3PW91/STO-3G
ABC
0.22240 0.05584 0.04813

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C1

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.243      
2 H 0.080      
3 H 0.071      
4 H 0.080      
5 O -0.252      
6 H 0.163      
7 C 0.027      
8 H 0.058      
9 C -0.143      
10 H 0.075      
11 C -0.229      
12 H 0.076      
13 H 0.076      
14 H 0.076      
15 C -0.137      
16 H 0.071      
17 H 0.071      
18 H 0.079      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.227 1.113 -0.647 1.307
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.147 -1.732 1.615
y -1.732 -38.620 0.590
z 1.615 0.590 -36.441
Traceless
 xyz
x 3.383 -1.732 1.615
y -1.732 -3.326 0.590
z 1.615 0.590 -0.057
Polar
3z2-r2-0.115
x2-y24.473
xy-1.732
xz1.615
yz0.590


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.496 0.101 0.103
y 0.101 4.228 -0.076
z 0.103 -0.076 3.882


<r2> (average value of r2) Å2
<r2> 244.375
(<r2>)1/2 15.633