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/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-233.555306
Energy at 298.15K-233.566355
Nuclear repulsion energy191.220293
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/6-31G**
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 3626 3598 2.19      
2 A 3054 3030 33.19      
3 A 3049 3026 23.66      
4 A 3032 3009 49.09      
5 A 3021 2998 42.08      
6 A 2977 2954 37.74      
7 A 2970 2947 25.51      
8 A 2962 2940 39.74      
9 A 2954 2931 7.74      
10 A 2926 2904 21.84      
11 A 1489 1477 3.74      
12 A 1474 1463 7.53      
13 A 1472 1461 1.26      
14 A 1471 1460 3.69      
15 A 1456 1445 0.61      
16 A 1389 1378 27.13      
17 A 1380 1370 10.76      
18 A 1376 1365 10.19      
19 A 1353 1343 1.86      
20 A 1309 1299 1.92      
21 A 1293 1283 9.70      
22 A 1232 1223 5.23      
23 A 1143 1134 9.07      
24 A 1095 1087 19.76      
25 A 1060 1052 54.57      
26 A 1001 994 9.53      
27 A 971 964 10.73      
28 A 953 946 18.39      
29 A 886 879 17.44      
30 A 793 787 5.09      
31 A 750 744 1.27      
32 A 479 475 13.03      
33 A 449 446 6.73      
34 A 363 361 16.48      
35 A 307 304 92.08      
36 A 248 246 0.40      
37 A 230 228 1.99      
38 A 216 214 0.06      
39 A 116 115 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 29162.0 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 28937.4 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/6-31G**
ABC
0.26067 0.11220 0.08700

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.520 1.427 0.057
H2 -0.636 1.436 1.029
C3 -1.822 -0.664 -0.002
H4 -1.971 -0.724 1.091
H5 -1.848 -1.693 -0.397
C6 -0.488 0.032 -0.336
H7 -0.369 0.073 -1.434
C8 0.734 -0.700 0.268
H9 0.717 -1.754 -0.062
H10 0.616 -0.725 1.370
C11 2.082 -0.049 -0.100
H12 2.262 -0.097 -1.187
H13 2.088 1.012 0.189
H14 2.923 -0.554 0.402
H15 -2.665 -0.104 -0.432

Atom - Atom Distances (Å)
  O1 H2 C3 H4 H5 C6 H7 C8 H9 H10 C11 H12 H13 H14 H15
O10.97912.46432.79283.42191.44992.01962.47813.41542.76512.99563.40702.64343.98672.6806
H20.97912.62312.53953.64651.96382.82742.64923.63312.52073.29673.95722.88134.12522.9366
C32.46432.62311.10481.10251.54072.16842.57062.76342.79813.95334.28954.25804.76301.1004
H42.79282.53951.10481.78012.19163.09382.82733.10072.60174.27764.84704.50494.94461.7852
H53.42193.64651.10251.78012.19782.52642.84622.58783.18324.27114.47954.81224.97011.7877
C61.44991.96381.54072.19162.19781.10521.54762.17202.16842.58262.88172.80583.53882.1832
H72.01962.82742.16843.09382.52641.10522.17082.52993.07712.79362.64823.09103.82112.5109
C82.47812.64922.57062.82732.84621.54762.17081.10531.10821.54132.19412.18372.19743.5218
H93.41543.63312.76343.10072.58782.17202.52991.10531.76642.18492.52943.09782.55403.7816
H102.76512.52072.79812.60173.18322.16843.07711.10821.76642.18333.10492.56462.50753.7948
C112.99563.29673.95334.27764.27112.58262.79361.54132.18492.18331.10291.10011.10144.7593
H123.40703.95724.28954.84704.47952.88172.64822.19412.52943.10491.10291.77671.78044.9844
H132.64342.88134.25804.50494.81222.80583.09102.18373.09782.56461.10011.77671.78754.9215
H143.98674.12524.76304.94464.97013.53883.82112.19742.55402.50751.10141.78041.78755.6678
H152.68062.93661.10041.78521.78772.18322.51093.52183.78163.79484.75934.98444.92155.6678

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 110.944 O1 C6 H7 103.625
O1 C6 C8 111.485 H2 O1 C6 106.272
C3 C6 H7 108.966 C3 C6 C8 112.688
H4 C3 H5 107.502 H4 C3 C6 110.796
H4 C3 H15 108.108 H5 C3 C6 111.423
H5 C3 H15 108.492 C6 C3 H15 110.399
C6 C8 H9 108.772 C6 C8 H10 108.330
C6 C8 C11 113.457 H7 C6 C8 108.689
C8 C11 H12 111.064 C8 C11 H13 110.408
C8 C11 H14 111.418 H9 C8 H10 105.882
H9 C8 C11 110.196 H10 C8 C11 109.908
H12 C11 H13 107.507 H12 C11 H14 107.740
H13 C11 H14 108.565
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.505      
2 H 0.280      
3 C -0.291      
4 H 0.080      
5 H 0.089      
6 C 0.176      
7 H 0.080      
8 C -0.146      
9 H 0.076      
10 H 0.064      
11 C -0.281      
12 H 0.090      
13 H 0.105      
14 H 0.083      
15 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.166 -1.163 0.936 1.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.365 0.298 -0.663
y 0.298 -35.451 2.250
z -0.663 2.250 -30.911
Traceless
 xyz
x -0.184 0.298 -0.663
y 0.298 -3.312 2.250
z -0.663 2.250 3.497
Polar
3z2-r26.993
x2-y22.085
xy0.298
xz-0.663
yz2.250


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> 149.012
(<r2>)1/2 12.207