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 C4H10O (2-Butanol, (.+/-.)-)

using model chemistry: BLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-311G*
 hartrees
Energy at 0K-233.600602
Energy at 298.15K-233.611647
Nuclear repulsion energy191.223455
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 BLYP/6-311G*
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 3588 3579 1.76      
2 A 3032 3025 42.73      
3 A 3027 3020 28.75      
4 A 3009 3002 70.19      
5 A 3001 2993 50.73      
6 A 2967 2960 35.37      
7 A 2957 2950 17.20      
8 A 2952 2944 40.90      
9 A 2941 2934 19.82      
10 A 2914 2906 24.86      
11 A 1492 1488 6.78      
12 A 1478 1475 15.42      
13 A 1477 1473 0.42      
14 A 1474 1470 5.76      
15 A 1458 1454 0.69      
16 A 1395 1391 33.36      
17 A 1383 1379 14.80      
18 A 1379 1376 5.79      
19 A 1352 1349 2.98      
20 A 1315 1311 4.64      
21 A 1298 1295 5.25      
22 A 1238 1235 8.68      
23 A 1140 1137 6.76      
24 A 1095 1092 19.20      
25 A 1065 1062 55.17      
26 A 997 994 7.31      
27 A 973 971 7.65      
28 A 956 953 23.62      
29 A 879 877 23.13      
30 A 795 793 5.24      
31 A 747 745 1.69      
32 A 480 479 15.53      
33 A 448 447 8.14      
34 A 365 364 16.74      
35 A 299 298 106.55      
36 A 249 249 0.41      
37 A 228 227 2.67      
38 A 212 212 0.04      
39 A 115 115 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 29084.3 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 29011.6 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 BLYP/6-311G*
ABC
0.26045 0.11200 0.08691

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.532 1.427 0.057
H2 -0.667 1.452 1.024
C3 -1.816 -0.675 -0.008
H4 -1.973 -0.736 1.082
H5 -1.840 -1.702 -0.405
C6 -0.487 0.029 -0.333
H7 -0.362 0.076 -1.427
C8 0.738 -0.689 0.279
H9 0.722 -1.749 -0.027
H10 0.625 -0.691 1.380
C11 2.085 -0.049 -0.107
H12 2.265 -0.125 -1.190
H13 2.098 1.017 0.156
H14 2.925 -0.541 0.406
H15 -2.657 -0.116 -0.441

Atom - Atom Distances (Å)
  O1 H2 C3 H4 H5 C6 H7 C8 H9 H10 C11 H12 H13 H14 H15
O10.97732.46342.79393.42181.45192.01372.47763.41542.75273.00893.43362.66353.99312.6730
H20.97732.62872.54923.65571.97512.82782.66703.64452.52813.33253.99882.93044.15412.9272
C32.46342.62871.10321.10111.53882.16592.57032.75582.80853.95214.28474.26714.76071.0987
H42.79392.54921.10321.77792.19033.09062.82783.08502.61574.28404.84794.52824.94811.7811
H53.42183.65571.10111.77792.19792.52762.85302.58953.20684.26904.46734.81794.97041.7842
C61.45191.97511.53882.19032.19791.10231.54612.17142.16582.58282.88672.81003.53682.1783
H72.01372.82782.16593.09062.52761.10232.17012.54313.07362.78382.64623.07333.81402.5056
C82.47762.66702.57032.82782.85301.54612.17011.10381.10661.54032.19342.18522.19533.5181
H93.41543.64452.75583.08502.58952.17142.54311.10381.76322.18082.52483.09532.54963.7757
H102.75272.52812.80852.61573.20682.16583.07361.10661.76322.18043.10142.56652.50203.7978
C113.00893.33253.95214.28404.26902.58282.78381.54032.18082.18041.10131.09821.10004.7547
H123.43363.99884.28474.84794.46732.88672.64622.19342.52483.10141.10131.77341.77634.9797
H132.66352.93044.26714.52824.81792.81003.07332.18523.09532.56651.09821.77341.78194.9249
H143.99314.15414.76074.94814.97043.53683.81402.19532.54962.50201.10001.77631.78195.6620
H152.67302.92721.09871.78111.78422.17832.50563.51813.77573.79784.75474.97974.92495.6620

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 110.881 O1 C6 H7 103.223
O1 C6 C8 111.431 H2 O1 C6 107.175
C3 C6 H7 109.069 C3 C6 C8 112.858
H4 C3 H5 107.514 H4 C3 C6 110.925
H4 C3 H15 107.973 H5 C3 C6 111.651
H5 C3 H15 108.399 C6 C3 H15 110.247
C6 C8 H9 108.907 C6 C8 H10 108.323
C6 C8 C11 113.612 H7 C6 C8 108.897
C8 C11 H12 111.179 C8 C11 H13 110.717
C8 C11 H14 111.402 H9 C8 H10 105.816
H9 C8 C11 110.033 H10 C8 C11 109.841
H12 C11 H13 107.474 H12 C11 H14 107.594
H13 C11 H14 108.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.514      
2 H 0.353      
3 C -0.581      
4 H 0.176      
5 H 0.192      
6 C -0.005      
7 H 0.187      
8 C -0.378      
9 H 0.186      
10 H 0.168      
11 C -0.578      
12 H 0.191      
13 H 0.202      
14 H 0.193      
15 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.175 -1.239 0.971 1.584
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.623 0.159 -0.687
y 0.159 -36.497 2.541
z -0.687 2.541 -31.598
Traceless
 xyz
x -0.576 0.159 -0.687
y 0.159 -3.387 2.541
z -0.687 2.541 3.962
Polar
3z2-r27.924
x2-y21.874
xy0.159
xz-0.687
yz2.541


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> 149.810
(<r2>)1/2 12.240