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

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-307.174646
Energy at 298.15K-307.186374
Nuclear repulsion energy254.095896
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 B3LYP/3-21G
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 3474 3352 1.95      
2 A 3473 3351 1.75      
3 A 3134 3024 43.41      
4 A 3124 3014 9.58      
5 A 3106 2997 28.09      
6 A 3079 2971 20.73      
7 A 3071 2963 15.10      
8 A 3046 2939 19.52      
9 A 2984 2879 100.65      
10 A 2975 2871 16.76      
11 A 1597 1541 3.77      
12 A 1564 1509 4.63      
13 A 1559 1505 8.12      
14 A 1543 1489 2.27      
15 A 1471 1419 0.51      
16 A 1457 1406 4.26      
17 A 1439 1388 23.38      
18 A 1399 1350 8.09      
19 A 1364 1316 11.31      
20 A 1354 1307 4.87      
21 A 1312 1266 32.55      
22 A 1268 1223 50.83      
23 A 1215 1173 7.14      
24 A 1161 1121 6.57      
25 A 1127 1088 43.98      
26 A 1089 1051 4.55      
27 A 1021 985 68.57      
28 A 1016 981 1.52      
29 A 996 961 22.87      
30 A 948 915 16.12      
31 A 858 828 8.74      
32 A 824 795 13.43      
33 A 491 474 21.17      
34 A 461 445 1.81      
35 A 385 372 12.15      
36 A 335 323 4.70      
37 A 313 302 146.92      
38 A 280 270 107.86      
39 A 249 240 0.04      
40 A 185 178 6.86      
41 A 123 119 8.08      
42 A 101 97 7.31      

Unscaled Zero Point Vibrational Energy (zpe) 30985.1 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 29897.5 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 B3LYP/3-21G
ABC
0.24547 0.05906 0.05096

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.086 1.341 -0.279
H2 1.936 1.778 -0.001
O3 -2.669 -0.354 -0.207
H4 -3.438 0.265 -0.085
C5 2.235 -0.839 -0.083
H6 2.245 -0.905 -1.175
H7 3.180 -0.390 0.249
H8 2.169 -1.848 0.338
C9 1.040 0.017 0.358
H10 1.042 0.114 1.456
C11 -0.297 -0.582 -0.086
H12 -0.445 -1.560 0.384
H13 -0.285 -0.716 -1.173
C14 -1.470 0.333 0.270
H15 -1.493 0.495 1.360
H16 -1.305 1.301 -0.217

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
O10.99514.12074.65452.47182.68102.76733.42351.46992.12562.37623.34642.62872.80193.17142.3928
H20.99515.07875.58352.63522.94472.51203.64892.00832.38573.24974.11803.53913.70943.90643.2834
O34.12075.07870.99474.92975.03825.86675.09263.76964.09342.38622.59742.59751.46212.13542.1443
H44.65455.58350.99475.77965.90326.65866.00684.50634.74013.25333.53623.47652.00122.43412.3745
C52.47182.63524.92975.77961.09431.09731.09521.53522.16812.54502.81482.74853.90194.21484.1391
H62.68102.94475.03825.90321.09431.78021.78482.15713.06732.78363.17722.53654.17334.72874.2877
H72.76732.51205.86676.65861.09731.78021.77602.18142.50633.49803.81163.75944.70554.88434.8160
H83.42353.64895.09266.00681.09521.78481.77602.18022.52342.80412.63073.09614.24274.46604.7215
C91.46992.00833.76964.50631.53522.15712.18142.18021.10231.53032.16602.15302.53062.76562.7344
H102.12562.38574.09344.74012.16813.06732.50632.52341.10232.15752.48253.05952.78632.56553.1174
C112.37623.24972.38623.25332.54502.78363.49802.80411.53032.15751.09511.09481.52952.16422.1397
H123.34644.11802.59743.53622.81483.17723.81162.63072.16602.48251.09511.77762.15502.50463.0467
H132.62873.53912.59753.47652.74852.53653.75943.09612.15303.05951.09481.77762.14133.05672.4540
C142.80193.70941.46212.00123.90194.17334.70554.24272.53062.78631.52952.15502.14131.10281.0958
H153.17143.90642.13542.43414.21484.72874.88434.46602.76562.56552.16422.50463.05671.10281.7814
H162.39283.28342.14432.37454.13914.28774.81604.72152.73443.11742.13973.04672.45401.09581.7814

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 110.663 O1 C9 H10 110.647
O1 C9 C11 104.736 H2 O1 C9 107.555
O3 C14 C11 105.786 O3 C14 H15 111.962
O3 C14 H16 113.151 H4 O3 C14 107.563
C5 C9 H10 109.479 C5 C9 C11 112.241
H6 C5 H7 108.632 H6 C5 H8 109.211
H6 C5 C9 109.083 H7 C5 H8 108.198
H7 C5 C9 110.818 H8 C5 C9 110.854
C9 C11 H12 110.084 C9 C11 H13 109.072
C9 C11 C14 111.596 H10 C9 C11 108.994
C11 C14 H15 109.539 C11 C14 H16 108.041
H12 C11 H13 108.529 H12 C11 C14 109.271
H13 C11 C14 108.218 H15 C14 H16 108.240
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.549     -0.614
2 H 0.332     0.388
3 O -0.556     -0.631
4 H 0.331     0.388
5 C -0.561     -0.474
6 H 0.205     0.136
7 H 0.176     0.121
8 H 0.190     0.116
9 C 0.007     0.342
10 H 0.171     0.000
11 C -0.373     -0.228
12 H 0.196     0.083
13 H 0.211     0.110
14 C -0.135     0.292
15 H 0.157     -0.029
16 H 0.198     -0.000


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.366 1.046 1.451 2.251
CHELPG        
AIM        
ESP 1.374 1.045 1.446 2.251


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.305 -2.769 -0.245
y -2.769 -37.980 0.868
z -0.245 0.868 -38.474
Traceless
 xyz
x 6.922 -2.769 -0.245
y -2.769 -3.091 0.868
z -0.245 0.868 -3.831
Polar
3z2-r2-7.662
x2-y26.675
xy-2.769
xz-0.245
yz0.868


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.514 0.002 0.163
y 0.002 6.802 0.026
z 0.163 0.026 5.974


<r2> (average value of r2) Å2
<r2> 223.716
(<r2>)1/2 14.957