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All results from a given calculation for C4H10O (2-Butanol, (.+/-.)-)

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-232.313434
Energy at 298.15K-232.324753
Nuclear repulsion energy192.472693
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 B3PW91/3-21G*
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 3495 3353 1.14      
2 A 3155 3027 15.33      
3 A 3145 3017 17.47      
4 A 3130 3003 52.46      
5 A 3122 2995 21.97      
6 A 3095 2970 9.04      
7 A 3083 2958 14.58      
8 A 3060 2936 23.29      
9 A 3046 2922 18.22      
10 A 3032 2909 15.31      
11 A 1573 1509 8.79      
12 A 1555 1492 15.69      
13 A 1552 1489 10.52      
14 A 1551 1488 1.39      
15 A 1534 1472 1.85      
16 A 1447 1388 0.68      
17 A 1446 1387 30.66      
18 A 1411 1354 34.34      
19 A 1398 1341 3.65      
20 A 1378 1322 1.74      
21 A 1359 1304 1.44      
22 A 1291 1239 6.23      
23 A 1204 1155 7.29      
24 A 1138 1092 22.68      
25 A 1098 1054 49.78      
26 A 1045 1002 16.84      
27 A 1021 979 7.47      
28 A 1010 969 29.41      
29 A 922 884 16.64      
30 A 834 800 8.36      
31 A 783 752 2.01      
32 A 491 471 14.86      
33 A 446 428 7.40      
34 A 374 359 83.47      
35 A 350 335 61.36      
36 A 260 249 2.11      
37 A 246 236 1.24      
38 A 226 217 0.03      
39 A 138 132 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 30220.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 28993.1 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 B3PW91/3-21G*
ABC
0.26066 0.11598 0.08917

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.452 1.428 0.055
H2 -0.581 1.434 1.041
C3 -1.822 -0.624 0.012
H4 -1.930 -0.687 1.104
H5 -1.891 -1.639 -0.395
C6 -0.481 0.021 -0.351
H7 -0.371 0.059 -1.440
C8 0.710 -0.745 0.249
H9 0.701 -1.777 -0.125
H10 0.575 -0.794 1.341
C11 2.039 -0.051 -0.086
H12 2.257 -0.133 -1.158
H13 1.945 1.012 0.160
H14 2.875 -0.486 0.473
H15 -2.644 -0.021 -0.386

Atom - Atom Distances (Å)
  O1 H2 C3 H4 H5 C6 H7 C8 H9 H10 C11 H12 H13 H14 H15
O10.99452.46792.78523.41801.46462.02862.47193.41112.76512.90023.35362.43503.86092.6650
H20.99452.61412.51403.63641.98542.84412.65333.64862.52743.21483.91682.70793.99352.9006
C32.46792.61411.09901.09621.53202.16382.54592.77742.74603.90474.27184.10944.72131.0948
H42.78522.51401.09901.77702.17183.07562.77553.10192.51844.19184.79074.33474.84991.7820
H53.41803.63641.09621.77702.17902.50742.82502.60983.13254.25054.47844.69594.97971.7847
C61.46461.98541.53202.17182.17901.09581.53752.16362.15412.53472.85842.66943.49212.1643
H72.02862.84412.16383.07562.50741.09582.16052.50013.05892.76692.65022.97183.80702.5069
C82.47192.65332.54592.77552.82501.53752.16051.09791.10151.53632.17832.14922.19163.4899
H93.41113.64862.77743.10192.60982.16362.50011.09791.76992.18482.48783.06712.59813.7872
H102.76512.52742.74602.51843.13252.15413.05891.10151.76992.17483.08332.55552.47703.7345
C112.90023.21483.90474.19184.25052.53472.76691.53632.18482.17481.09701.09441.09554.6931
H123.35363.91684.27184.79074.47842.85842.65022.17832.48783.08331.09701.77331.77904.9629
H132.43502.70794.10944.33474.69592.66942.97182.14923.06712.55551.09441.77331.79064.7357
H143.86093.99354.72134.84994.97973.49213.80702.19162.59812.47701.09551.77901.79065.6049
H152.66502.90061.09481.78201.78472.16432.50693.48993.78723.73454.69314.96294.73575.6049

picture of 2-Butanol, (.+/-.)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C6 C3 110.870 O1 C6 H7 103.876
O1 C6 C8 110.830 H2 O1 C6 106.099
C3 C6 H7 109.744 C3 C6 C8 112.081
H4 C3 H5 108.095 H4 C3 C6 110.190
H4 C3 H15 108.639 H5 C3 C6 110.926
H5 C3 H15 109.090 C6 C3 H15 109.846
C6 C8 H9 109.225 C6 C8 H10 108.285
C6 C8 C11 111.095 H7 C6 C8 109.110
C8 C11 H12 110.511 C8 C11 H13 108.394
C8 C11 H14 111.667 H9 C8 H10 107.168
H9 C8 C11 110.974 H10 C8 C11 109.975
H12 C11 H13 108.033 H12 C11 H14 108.461
H13 C11 H14 109.707
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.549      
2 H 0.339      
3 C -0.628      
4 H 0.197      
5 H 0.210      
6 C -0.014      
7 H 0.233      
8 C -0.445      
9 H 0.210      
10 H 0.197      
11 C -0.614      
12 H 0.207      
13 H 0.226      
14 H 0.203      
15 H 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.354 -1.331 1.052 1.733
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.012 0.250 -0.682
y 0.250 -35.617 2.538
z -0.682 2.538 -30.411
Traceless
 xyz
x 0.003 0.250 -0.682
y 0.250 -3.906 2.538
z -0.682 2.538 3.903
Polar
3z2-r27.806
x2-y22.605
xy0.250
xz-0.682
yz2.538


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> 145.810
(<r2>)1/2 12.075