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 C5H12O (1-Butanol, 2-methyl-)

using model chemistry: HF/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-271.280374
Energy at 298.15K-271.294078
Nuclear repulsion energy259.216926
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/6-311+G(3df,2p)
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 4203 3819 64.34      
2 A 3243 2947 29.63      
3 A 3221 2926 81.54      
4 A 3207 2914 76.26      
5 A 3201 2909 58.00      
6 A 3179 2888 69.61      
7 A 3169 2879 26.99      
8 A 3154 2865 12.04      
9 A 3151 2863 83.74      
10 A 3142 2855 12.10      
11 A 3132 2846 7.37      
12 A 3117 2832 34.57      
13 A 1649 1498 3.03      
14 A 1628 1479 6.50      
15 A 1623 1475 8.63      
16 A 1618 1470 3.76      
17 A 1614 1467 3.64      
18 A 1605 1459 1.65      
19 A 1586 1441 3.80      
20 A 1541 1400 1.49      
21 A 1534 1394 4.48      
22 A 1516 1377 0.74      
23 A 1484 1348 5.16      
24 A 1444 1312 1.77      
25 A 1411 1282 9.61      
26 A 1381 1255 5.48      
27 A 1345 1222 51.37      
28 A 1276 1159 0.37      
29 A 1275 1158 8.03      
30 A 1206 1096 3.05      
31 A 1172 1065 109.33      
32 A 1104 1003 0.36      
33 A 1099 998 7.82      
34 A 1048 952 3.50      
35 A 1000 908 1.02      
36 A 968 879 0.52      
37 A 879 799 3.49      
38 A 814 740 4.21      
39 A 527 479 8.10      
40 A 474 431 1.43      
41 A 413 375 1.26      
42 A 297 270 4.06      
43 A 283 257 26.69      
44 A 255 232 90.05      
45 A 240 218 4.41      
46 A 232 211 1.81      
47 A 122 111 4.53      
48 A 70 63 4.38      

Unscaled Zero Point Vibrational Energy (zpe) 38423.2 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 34911.3 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/6-311+G(3df,2p)
ABC
0.16469 0.07591 0.05665

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.755 1.699 -0.021
H2 -1.774 1.669 -0.379
H3 -0.776 1.940 1.038
H4 -0.240 2.505 -0.532
O5 -2.087 -0.867 -0.237
H6 -2.576 -1.578 0.130
C7 -0.822 -0.783 0.365
H8 -0.924 -0.611 1.436
H9 -0.289 -1.718 0.230
C10 -0.044 0.367 -0.262
H11 -0.018 0.185 -1.334
C12 2.297 -0.736 -0.180
H13 3.316 -0.572 0.151
H14 1.976 -1.687 0.228
H15 2.314 -0.830 -1.261
C16 1.399 0.421 0.255
H17 1.844 1.348 -0.093
H18 1.390 0.485 1.341

Atom - Atom Distances (Å)
  C1 H2 H3 H4 O5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16 H17 H18
C11.08101.08661.08432.89983.75292.51332.73693.45781.52902.13493.90784.66464.35664.16562.51992.62312.8160
H21.08101.75401.75432.55983.38372.73413.03603.74852.16872.49004.73335.58725.06884.87273.46883.64373.7912
H31.08661.75401.75293.35034.05502.80532.58613.77752.16803.04624.25364.88294.62384.74452.76652.91462.6270
H41.08431.75431.75293.85674.75143.45833.74894.29172.16472.46514.13144.75204.80194.26392.76612.42373.2011
O52.89982.55983.35033.85670.93811.40332.05382.04342.38632.56704.38625.42494.17024.51873.74904.51424.0506
H63.75293.38374.05504.75140.93811.94032.31792.29443.21673.43474.95555.97794.55445.13944.45195.30584.6320
C72.51332.73412.80533.45831.40331.94031.08931.08481.52332.11453.16724.14932.94333.53352.52943.44382.7302
H82.73693.03602.58613.74892.05382.31791.08931.75602.14763.02103.60624.43063.32014.22012.80323.71982.5620
H93.45783.74853.77754.29172.04342.29441.08481.75602.15552.47772.79593.78312.26433.12822.72473.74832.9839
C101.52902.16872.16802.16472.38633.21671.52332.14762.15551.08752.58973.51352.92172.82751.53452.13482.1542
H112.13492.49003.04622.46512.56703.43472.11453.02102.47771.08752.74573.72753.14912.54462.14212.52153.0376
C123.90784.73334.25364.13144.38624.95553.16723.60622.79592.58972.74571.08411.08311.08501.52812.13472.1517
H134.66465.58724.88294.75205.42495.97794.14934.43063.78313.51353.72751.08411.74501.75092.16112.43162.4986
H144.35665.06884.62384.80194.17024.55442.94333.32012.26432.92173.14911.08311.74501.75122.18503.05422.5092
H154.16564.87274.74454.26394.51875.13943.53354.22013.12822.82752.54461.08501.75091.75122.16832.51593.0588
C162.51993.46882.76652.76613.74904.45192.52942.80322.72471.53452.14211.52812.16112.18502.16831.08531.0880
H172.62313.64372.91462.42374.51425.30583.44383.71983.74832.13482.52152.13472.43163.05422.51591.08531.7343
H182.81603.79122.62703.20114.05064.63202.73022.56202.98392.15423.03762.15172.49862.50923.05881.08801.7343

picture of 1-Butanol, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C10 C7 110.854 C1 C10 H11 108.169
C1 C10 C16 110.680 H2 C1 H3 108.036
H2 C1 H4 108.227 H2 C1 C10 111.227
H3 C1 H4 107.693 H3 C1 C10 110.829
H4 C1 C10 110.700 O5 C7 H8 110.338
O5 C7 H9 109.763 O5 C7 C10 109.182
H6 O5 C7 110.345 C7 C10 H11 106.988
C7 C10 C16 111.625 H8 C7 H9 107.745
H8 C7 C10 109.456 H9 C7 C10 110.344
C10 C16 C12 115.466 C10 C16 H17 107.916
C10 C16 H18 109.276 H11 C10 C16 108.359
C12 C16 H17 108.346 C12 C16 H18 109.517
H13 C12 H14 107.251 H13 C12 H15 107.645
H13 C12 C16 110.495 H14 C12 H15 107.745
H14 C12 C16 112.483 H15 C12 C16 111.014
H17 C16 H18 105.876
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.354      
2 H 0.134      
3 H 0.129      
4 H 0.123      
5 O -0.732      
6 H 0.196      
7 C 0.223      
8 H 0.122      
9 H 0.108      
10 C -0.239      
11 H 0.112      
12 C -0.410      
13 H 0.113      
14 H 0.124      
15 H 0.129      
16 C -0.011      
17 H 0.105      
18 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.555 -0.969 1.050 1.533
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.902 3.149 -2.628
y 3.149 -37.901 -1.644
z -2.628 -1.644 -40.286
Traceless
 xyz
x -1.809 3.149 -2.628
y 3.149 2.693 -1.644
z -2.628 -1.644 -0.884
Polar
3z2-r2-1.769
x2-y2-3.001
xy3.149
xz-2.628
yz-1.644


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.247 -0.180 0.000
y -0.180 9.496 -0.007
z 0.000 -0.007 8.386


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000