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/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-271.256091
Energy at 298.15K-271.269833
Nuclear repulsion energy258.975840
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/6-311G**
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 4190 3807 58.07      
2 A 3256 2958 30.10      
3 A 3228 2933 90.70      
4 A 3216 2922 80.91      
5 A 3209 2916 67.23      
6 A 3187 2895 71.38      
7 A 3178 2887 38.41      
8 A 3160 2871 16.94      
9 A 3157 2869 74.46      
10 A 3150 2862 14.84      
11 A 3141 2854 10.10      
12 A 3124 2838 40.09      
13 A 1651 1500 2.85      
14 A 1629 1480 6.14      
15 A 1624 1475 8.63      
16 A 1618 1470 4.66      
17 A 1614 1467 3.68      
18 A 1605 1458 1.47      
19 A 1592 1447 2.99      
20 A 1542 1401 1.21      
21 A 1534 1393 6.00      
22 A 1515 1377 0.61      
23 A 1486 1350 4.54      
24 A 1444 1312 1.81      
25 A 1414 1284 12.05      
26 A 1385 1258 10.11      
27 A 1352 1228 54.02      
28 A 1278 1161 3.02      
29 A 1275 1159 6.97      
30 A 1209 1099 2.98      
31 A 1179 1071 100.70      
32 A 1107 1006 0.17      
33 A 1100 999 7.49      
34 A 1050 954 3.54      
35 A 1002 911 1.59      
36 A 971 883 0.59      
37 A 881 800 3.44      
38 A 815 740 4.24      
39 A 528 480 8.59      
40 A 474 431 1.48      
41 A 414 376 1.81      
42 A 301 273 5.51      
43 A 289 262 66.97      
44 A 264 240 59.53      
45 A 241 219 1.82      
46 A 234 213 0.65      
47 A 124 113 4.16      
48 A 70 64 3.88      

Unscaled Zero Point Vibrational Energy (zpe) 38503.3 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 34980.3 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/6-311G**
ABC
0.16524 0.07566 0.05654

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.768 1.693 -0.018
H2 -1.790 1.648 -0.370
H3 -0.786 1.934 1.043
H4 -0.264 2.506 -0.533
O5 -2.087 -0.865 -0.236
H6 -2.575 -1.571 0.147
C7 -0.817 -0.793 0.360
H8 -0.908 -0.632 1.436
H9 -0.283 -1.727 0.207
C10 -0.045 0.365 -0.262
H11 -0.020 0.185 -1.336
C12 2.304 -0.729 -0.177
H13 3.326 -0.556 0.149
H14 1.989 -1.679 0.242
H15 2.317 -0.833 -1.260
C16 1.401 0.429 0.252
H17 1.843 1.356 -0.104
H18 1.394 0.500 1.340

Atom - Atom Distances (Å)
  C1 H2 H3 H4 O5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16 H17 H18
C11.08261.08871.08642.88633.73412.51452.74603.46131.53092.13753.91544.67364.36294.17542.52492.63322.8175
H21.08261.75751.75862.53403.35322.72733.04003.74122.16872.49184.73905.59525.07224.88033.47303.65453.7922
H31.08871.75751.75653.34144.03582.81102.59913.78882.17113.05074.25834.88944.62544.75232.77032.92532.6258
H41.08641.75861.75653.84394.73523.46183.76054.29732.16872.46754.14614.76754.81564.28182.77572.43793.2064
O52.88632.53403.34143.84390.93951.40532.05932.04802.38422.56704.39435.43564.18394.52193.75274.51634.0573
H63.73413.35324.03584.73520.93951.93432.30662.29753.21173.43704.96195.98714.56575.14334.45185.30524.6321
C72.51452.72732.81103.46181.40531.93431.09131.08691.52442.11423.16794.15472.94463.52802.53453.45052.7413
H82.74603.04002.59913.76052.05932.30661.09131.76002.15023.02363.59594.42543.30304.20772.80343.72692.5664
H93.46133.74123.78884.29732.04802.29751.08691.76002.15762.47162.80003.79472.27273.11662.73633.75823.0087
C101.53092.16872.17112.16872.38423.21171.52442.15022.15761.08922.59363.51892.92762.83011.53662.13812.1575
H112.13752.49183.05072.46752.56703.43702.11423.02362.47161.08922.75333.73473.16232.54992.14502.52163.0424
C123.91544.73904.25834.14614.39434.96193.16793.59592.80002.59362.75331.08611.08531.08701.53032.13762.1546
H134.67365.59524.88944.76755.43565.98714.15474.42543.79473.51893.73471.08611.74851.75442.16452.43372.5032
H144.36295.07224.62544.81564.18394.56572.94463.30302.27272.92763.16231.08531.74851.75482.18833.05882.5112
H154.17544.88034.75234.28184.52195.14333.52804.20773.11662.83012.54991.08701.75441.75482.17142.52053.0633
C162.52493.47302.77032.77573.75274.45182.53452.80342.73631.53662.14501.53032.16452.18832.17141.08721.0899
H172.63323.65452.92532.43794.51635.30523.45053.72693.75822.13812.52162.13762.43373.05882.52051.08721.7376
H182.81753.79222.62583.20644.05734.63212.74132.56643.00872.15753.04242.15462.50322.51123.06331.08991.7376

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 110.770 C1 C10 H11 108.155
C1 C10 C16 110.794 H2 C1 H3 108.081
H2 C1 H4 108.345 H2 C1 C10 110.993
H3 C1 H4 107.717 H3 C1 C10 110.822
H4 C1 C10 110.763 O5 C7 H8 110.512
O5 C7 H9 109.865 O5 C7 C10 108.873
H6 O5 C7 109.555 C7 C10 H11 106.803
C7 C10 C16 111.787 H8 C7 H9 107.810
H8 C7 C10 109.466 H9 C7 C10 110.309
C10 C16 C12 115.488 C10 C16 H17 107.927
C10 C16 H18 109.277 H11 C10 C16 108.352
C12 C16 H17 108.318 C12 C16 H18 109.483
H13 C12 H14 107.266 H13 C12 H15 107.673
H13 C12 C16 110.489 H14 C12 H15 107.759
H14 C12 C16 112.461 H15 C12 C16 110.990
H17 C16 H18 105.906
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.219      
2 H 0.118      
3 H 0.076      
4 H 0.086      
5 O -0.485      
6 H 0.245      
7 C 0.155      
8 H 0.064      
9 H 0.075      
10 C -0.240      
11 H 0.103      
12 C -0.224      
13 H 0.093      
14 H 0.082      
15 H 0.088      
16 C -0.198      
17 H 0.095      
18 H 0.086      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.485 -1.054 1.089 1.591
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.653 3.252 -2.676
y 3.252 -37.782 -1.668
z -2.676 -1.668 -40.295
Traceless
 xyz
x -1.615 3.252 -2.676
y 3.252 2.692 -1.668
z -2.676 -1.668 -1.077
Polar
3z2-r2-2.154
x2-y2-2.872
xy3.252
xz-2.676
yz-1.668


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.413 -0.097 -0.033
y -0.097 8.764 -0.082
z -0.033 -0.082 7.832


<r2> (average value of r2) Å2
<r2> 215.600
(<r2>)1/2 14.683