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All results from a given calculation for C4H10O2 (1,3-Butanediol)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-308.757362
Energy at 298.15K-308.769054
Nuclear repulsion energy255.852431
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 B3PW91/6-31G*
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 3798 3634 15.13      
2 A 3782 3619 11.24      
3 A 3143 3007 31.74      
4 A 3122 2987 34.66      
5 A 3116 2981 29.14      
6 A 3066 2933 26.53      
7 A 3059 2927 27.85      
8 A 3049 2917 22.23      
9 A 2984 2855 100.87      
10 A 2971 2842 32.07      
11 A 1555 1487 3.55      
12 A 1524 1458 4.24      
13 A 1519 1453 4.83      
14 A 1506 1441 1.83      
15 A 1478 1414 14.01      
16 A 1450 1387 16.95      
17 A 1430 1368 12.01      
18 A 1398 1338 7.27      
19 A 1340 1282 36.64      
20 A 1333 1276 3.29      
21 A 1306 1249 33.84      
22 A 1263 1208 58.63      
23 A 1227 1174 4.26      
24 A 1172 1121 31.29      
25 A 1146 1097 43.43      
26 A 1106 1058 19.91      
27 A 1082 1036 78.80      
28 A 1043 998 9.67      
29 A 997 954 7.65      
30 A 956 915 8.33      
31 A 869 832 15.29      
32 A 808 773 4.31      
33 A 504 482 18.93      
34 A 482 461 6.09      
35 A 395 378 7.69      
36 A 339 324 8.36      
37 A 307 294 130.04      
38 A 276 264 106.86      
39 A 250 239 1.03      
40 A 179 171 3.70      
41 A 117 112 7.08      
42 A 93 89 7.17      

Unscaled Zero Point Vibrational Energy (zpe) 31270.3 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 29916.3 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 B3PW91/6-31G*
ABC
0.25216 0.05893 0.05090

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.161 1.322 -0.270
H2 2.001 1.699 0.029
O3 -2.669 -0.351 -0.168
H4 -3.419 0.238 -0.014
C5 2.201 -0.867 -0.044
H6 2.253 -0.992 -1.131
H7 3.152 -0.436 0.295
H8 2.104 -1.857 0.417
C9 1.029 0.035 0.329
H10 0.999 0.141 1.429
C11 -0.304 -0.534 -0.138
H12 -0.444 -1.531 0.299
H13 -0.284 -0.656 -1.228
C14 -1.493 0.333 0.241
H15 -1.494 0.506 1.331
H16 -1.403 1.313 -0.248

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
O10.96754.18034.71342.43472.70012.71643.38651.42602.07552.36833.32222.63062.87833.20572.5643
H20.96755.10325.61332.57462.94052.44043.57791.94992.32213.21304.05903.51323.75763.91563.4372
O34.18035.10320.96644.89895.05565.84015.03883.75114.02992.37192.56152.62731.41982.08862.0917
H44.71345.61330.96645.72825.91036.61325.92294.46624.64833.21163.47573.47881.94472.36392.2961
C52.43472.57464.89895.72821.09551.09781.09601.52532.15212.52922.74842.76093.89524.17504.2177
H62.70012.94055.05565.91031.09551.77561.77962.16423.06742.78123.09952.56074.20374.72704.4113
H72.71642.44045.84016.61321.09781.77561.76942.17512.50133.48483.75873.76514.70944.85274.9103
H83.38653.57795.03885.92291.09601.77961.76942.17752.49712.80302.57123.13844.21524.40044.7741
C91.42601.94993.75114.46621.52532.16422.17512.17751.10521.52282.14962.15072.54172.75542.8079
H102.07552.32214.02994.64832.15213.06742.50132.49711.10522.14592.47963.05562.76742.52093.1553
C112.36833.21302.37193.21162.52922.78123.48482.80301.52282.14591.09721.09721.51942.15732.1520
H123.32224.05902.56153.47572.74843.09953.75872.57122.14962.47961.09721.76682.13972.51303.0506
H132.63063.51322.62733.47882.76092.56073.76513.13842.15073.05561.09721.76682.14413.05982.4677
C142.87833.75761.41981.94473.89524.20374.70944.21522.54172.76741.51942.13972.14411.10431.0988
H153.20573.91562.08862.36394.17504.72704.85274.40042.75542.52092.15732.51303.05981.10431.7759
H162.56433.43722.09172.29614.21774.41134.91034.77412.80793.15532.15203.05062.46771.09881.7759

picture of 1,3-Butanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C9 C5 111.124 O1 C9 H10 109.507
O1 C9 C11 106.817 H2 O1 C9 107.561
O3 C14 C11 107.554 O3 C14 H15 111.068
O3 C14 H16 111.668 H4 O3 C14 107.651
C5 C9 H10 108.741 C5 C9 C11 112.150
H6 C5 H7 108.099 H6 C5 H8 108.589
H6 C5 C9 110.250 H7 C5 H8 107.525
H7 C5 C9 110.981 H8 C5 C9 111.282
C9 C11 H12 109.187 C9 C11 H13 109.272
C9 C11 C14 113.336 H10 C9 C11 108.438
C11 C14 H15 109.600 C11 C14 H16 109.506
H12 C11 H13 107.247 H12 C11 C14 108.639
H13 C11 C14 108.979 H15 C14 H16 107.437
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.632     -0.638
2 H 0.401     0.406
3 O -0.634     -0.650
4 H 0.403     0.405
5 C -0.525     -0.461
6 H 0.181     0.126
7 H 0.155     0.119
8 H 0.169     0.110
9 C 0.094     0.307
10 H 0.136     -0.005
11 C -0.320     -0.084
12 H 0.171     0.054
13 H 0.179     0.080
14 C -0.077     0.257
15 H 0.131     -0.030
16 H 0.167     0.004


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.146 0.879 1.400 2.011
CHELPG        
AIM        
ESP 1.163 0.878 1.398 2.020


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.981 -2.789 -0.185
y -2.789 -38.035 0.964
z -0.185 0.964 -38.300
Traceless
 xyz
x 7.186 -2.789 -0.185
y -2.789 -3.395 0.964
z -0.185 0.964 -3.791
Polar
3z2-r2-7.582
x2-y27.054
xy-2.789
xz-0.185
yz0.964


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> 223.221
(<r2>)1/2 14.941