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: HF/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-232.187792
Energy at 298.15K-232.199317
Nuclear repulsion energy193.732917
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/aug-cc-pVDZ
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 4153 3781 36.40      
2 A 3253 2962 59.77      
3 A 3249 2958 31.50      
4 A 3230 2941 128.10      
5 A 3224 2936 17.17      
6 A 3199 2913 15.28      
7 A 3185 2900 19.00      
8 A 3166 2883 28.79      
9 A 3156 2874 44.29      
10 A 3141 2860 22.84      
11 A 1603 1460 6.50      
12 A 1594 1451 8.09      
13 A 1592 1450 6.23      
14 A 1591 1449 0.13      
15 A 1581 1439 0.27      
16 A 1540 1402 36.07      
17 A 1527 1390 20.08      
18 A 1518 1382 8.46      
19 A 1504 1369 3.57      
20 A 1432 1304 1.50      
21 A 1426 1298 6.20      
22 A 1350 1229 8.81      
23 A 1279 1165 27.06      
24 A 1224 1114 28.90      
25 A 1181 1075 72.79      
26 A 1115 1015 3.59      
27 A 1075 979 10.70      
28 A 1049 956 7.57      
29 A 995 906 10.31      
30 A 873 795 6.16      
31 A 825 752 0.70      
32 A 531 483 9.59      
33 A 496 452 7.74      
34 A 403 367 6.36      
35 A 297 271 122.36      
36 A 273 249 1.94      
37 A 252 229 2.74      
38 A 236 215 0.15      
39 A 118 108 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 31715.9 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 28880.5 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/aug-cc-pVDZ
ABC
0.26911 0.11415 0.08903

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.543 1.396 0.057
H2 -0.708 1.457 0.984
C3 -1.789 -0.677 -0.011
H4 -1.955 -0.726 1.068
H5 -1.779 -1.698 -0.395
C6 -0.480 0.037 -0.328
H7 -0.351 0.068 -1.410
C8 0.731 -0.663 0.288
H9 0.710 -1.714 -0.010
H10 0.627 -0.651 1.379
C11 2.069 -0.045 -0.110
H12 2.214 -0.094 -1.191
H13 2.124 1.001 0.186
H14 2.896 -0.578 0.361
H15 -2.626 -0.145 -0.462

Atom - Atom Distances (Å)
  O1 H2 C3 H4 H5 C6 H7 C8 H9 H10 C11 H12 H13 H14 H15
O10.94372.41922.74223.36181.41401.98802.43283.35392.70312.98843.37382.69943.97742.6429
H20.94372.59102.51593.60591.94702.79092.65543.61352.52633.34183.95952.97724.18572.8879
C32.41922.59101.09351.09081.52422.13972.53762.70572.78763.91084.21374.26194.70101.0893
H42.74222.51591.09351.76532.16993.05712.79773.04022.60224.24854.78414.51664.90511.7688
H53.36183.60591.09081.76532.16812.48732.79902.51823.16704.19754.37574.78024.86631.7699
C61.41401.94701.52422.16992.16811.09041.52832.14072.14722.55962.83182.82363.50002.1585
H71.98802.79092.13973.05712.48731.09042.14302.50283.04182.75012.58003.08973.75542.4739
C82.43282.65542.53762.79772.79901.52832.14301.09261.09511.52732.17112.17282.16833.4788
H93.35393.61352.70573.04022.51822.14072.50281.09261.75112.15482.50623.06762.49183.7143
H102.70312.52632.78762.60223.16702.14723.04181.09511.75112.15943.07122.52772.48783.7721
C112.98843.34183.91084.24854.19752.55962.75011.52732.15482.15941.09181.08881.09084.7099
H123.37383.95954.21374.78414.37572.83182.58002.17112.50623.07121.09181.76241.76344.8953
H132.69942.97724.26194.51664.78022.82363.08972.17283.06762.52771.08881.76241.76644.9295
H143.97744.18574.70104.90514.86633.50003.75542.16832.49182.48781.09081.76341.76645.6004
H152.64292.88791.08931.76881.76992.15852.47393.47883.71433.77214.70994.89534.92955.6004

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 110.786 O1 C6 H7 104.340
O1 C6 C8 111.490 H2 O1 C6 109.730
C3 C6 H7 108.701 C3 C6 C8 112.463
H4 C3 H5 107.843 H4 C3 C6 110.905
H4 C3 H15 108.267 H5 C3 C6 110.923
H5 C3 H15 108.556 C6 C3 H15 110.253
C6 C8 H9 108.379 C6 C8 H10 108.736
C6 C8 C11 113.791 H7 C6 C8 108.683
C8 C11 H12 110.882 C8 C11 H13 111.208
C8 C11 H14 110.726 H9 C8 H10 106.344
H9 C8 C11 109.555 H10 C8 C11 109.760
H12 C11 H13 107.841 H12 C11 H14 107.782
H13 C11 H14 108.270
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.753      
2 H 0.106      
3 C 0.618      
4 H -0.081      
5 H -0.044      
6 C 0.271      
7 H -0.317      
8 C 0.277      
9 H -0.142      
10 H -0.173      
11 C 0.433      
12 H -0.070      
13 H -0.038      
14 H -0.062      
15 H -0.026      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.162 -1.399 0.928 1.687
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.044 0.258 -0.740
y 0.258 -36.254 2.458
z -0.740 2.458 -31.137
Traceless
 xyz
x -0.349 0.258 -0.740
y 0.258 -3.663 2.458
z -0.740 2.458 4.012
Polar
3z2-r28.024
x2-y22.209
xy0.258
xz-0.740
yz2.458


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.740 0.131 -0.070
y 0.131 7.644 0.049
z -0.070 0.049 7.340


<r2> (average value of r2) Å2
<r2> 146.628
(<r2>)1/2 12.109