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

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-233.477340
Energy at 298.15K-233.488517
Nuclear repulsion energy192.803044
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 3649 3480 3.87      
2 A 3167 3021 30.44      
3 A 3165 3018 15.44      
4 A 3147 3001 55.74      
5 A 3139 2994 32.27      
6 A 3105 2962 16.71      
7 A 3085 2942 18.02      
8 A 3065 2923 27.72      
9 A 3053 2912 22.99      
10 A 3031 2890 26.16      
11 A 1551 1479 9.74      
12 A 1537 1465 10.48      
13 A 1535 1464 10.29      
14 A 1534 1463 3.76      
15 A 1522 1452 0.98      
16 A 1449 1382 10.89      
17 A 1446 1379 9.96      
18 A 1416 1351 24.79      
19 A 1409 1343 8.36      
20 A 1359 1296 1.41      
21 A 1352 1290 5.44      
22 A 1279 1220 6.03      
23 A 1211 1155 9.74      
24 A 1160 1106 18.69      
25 A 1092 1041 63.26      
26 A 1072 1022 2.68      
27 A 1030 982 23.57      
28 A 1005 959 20.30      
29 A 927 884 23.02      
30 A 835 796 11.57      
31 A 787 750 1.81      
32 A 493 470 15.13      
33 A 451 430 8.93      
34 A 368 351 18.32      
35 A 299 285 145.18      
36 A 250 239 0.52      
37 A 233 222 4.72      
38 A 207 197 0.14      
39 A 118 112 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 30265.3 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 28864.0 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 B1B95/6-31G
ABC
0.26305 0.11506 0.08896

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)
O1 -0.503 1.419 0.054
H2 -0.639 1.477 1.020
C3 -1.803 -0.655 -0.001
H4 -1.938 -0.709 1.086
H5 -1.840 -1.676 -0.392
C6 -0.480 0.016 -0.341
H7 -0.356 0.066 -1.427
C8 0.724 -0.700 0.273
H9 0.708 -1.750 -0.044
H10 0.599 -0.708 1.366
C11 2.053 -0.049 -0.100
H12 2.236 -0.124 -1.177
H13 2.037 1.012 0.159
H14 2.891 -0.525 0.417
H15 -2.635 -0.088 -0.424

Atom - Atom Distances (Å)
  O1 H2 C3 H4 H5 C6 H7 C8 H9 H10 C11 H12 H13 H14 H15
O10.97702.44762.76673.40041.45732.01172.45793.39392.73112.95183.37582.57493.92802.6541
H20.97702.63372.54363.65662.00262.83882.67433.65492.53483.29103.95622.84954.10262.9180
C32.44762.63371.09681.09401.52222.15522.54142.73972.76343.90414.23954.18884.71361.0921
H42.76672.54361.09681.76852.16643.06922.78353.06032.55244.21584.78414.43004.87861.7752
H53.40043.65661.09401.76852.17202.51122.82262.57313.15804.22934.43164.74984.93551.7757
C61.45732.00261.52222.16642.17201.09371.52892.14932.14532.54492.84432.75233.49682.1595
H72.01172.83882.15523.06922.51121.09372.15442.51843.05142.75322.61113.02363.78082.4944
C82.45792.67432.54142.78352.82261.52892.15441.09711.10031.52602.17242.16042.17883.4841
H93.39393.65492.73973.06032.57312.14932.51841.09711.75652.16872.50223.07162.54483.7527
H102.73112.53482.76342.55243.15802.14533.05141.10031.75652.16723.07992.54602.48723.7475
C112.95183.29103.90414.21584.22932.54492.75321.52602.16872.16721.09491.09251.09344.6993
H123.37583.95624.23954.78414.43162.84432.61112.17242.50223.07991.09491.76481.76964.9287
H132.57492.84954.18884.43004.74982.75233.02362.16043.07162.54601.09251.76481.77694.8351
H143.92804.10264.71364.87864.93553.49683.78082.17882.54482.48721.09341.76961.77695.6063
H152.65412.91801.09211.77521.77572.15952.49443.48413.75273.74754.69934.92874.83515.6063

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 110.453 O1 C6 H7 103.183
O1 C6 C8 110.763 H2 O1 C6 109.108
C3 C6 H7 109.869 C3 C6 C8 112.801
H4 C3 H5 107.659 H4 C3 C6 110.575
H4 C3 H15 108.392 H5 C3 C6 111.185
H5 C3 H15 108.630 C6 C3 H15 110.306
C6 C8 H9 108.749 C6 C8 H10 108.259
C6 C8 C11 112.822 H7 C6 C8 109.336
C8 C11 H12 110.891 C8 C11 H13 110.078
C8 C11 H14 111.498 H9 C8 H10 106.136
H9 C8 C11 110.468 H10 C8 C11 110.160
H12 C11 H13 107.565 H12 C11 H14 107.930
H13 C11 H14 108.756
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 O -0.606      
2 H 0.355      
3 C -0.459      
4 H 0.141      
5 H 0.155      
6 C 0.057      
7 H 0.172      
8 C -0.295      
9 H 0.150      
10 H 0.135      
11 C -0.450      
12 H 0.151      
13 H 0.172      
14 H 0.147      
15 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.236 -1.584 1.133 1.961
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.829 0.447 -0.800
y 0.447 -35.952 2.809
z -0.800 2.809 -30.526
Traceless
 xyz
x 0.411 0.447 -0.800
y 0.447 -4.275 2.809
z -0.800 2.809 3.864
Polar
3z2-r27.729
x2-y23.124
xy0.447
xz-0.800
yz2.809


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.300 0.053 -0.072
y 0.053 6.674 0.197
z -0.072 0.197 6.600


<r2> (average value of r2) Å2
<r2> 146.277
(<r2>)1/2 12.094