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All results from a given calculation for C4H10O2 (1,4-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 C2H 1Ag
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-308.751650
Energy at 298.15K-308.763264
Nuclear repulsion energy244.860877
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 Ag 3794 3630 0.00      
2 Ag 3049 2917 0.00      
3 Ag 2982 2853 0.00      
4 Ag 1553 1486 0.00      
5 Ag 1519 1453 0.00      
6 Ag 1480 1416 0.00      
7 Ag 1400 1339 0.00      
8 Ag 1282 1227 0.00      
9 Ag 1112 1064 0.00      
10 Ag 1077 1031 0.00      
11 Ag 1047 1002 0.00      
12 Ag 360 344 0.00      
13 Ag 339 324 0.00      
14 Au 3110 2975 80.98      
15 Au 3011 2881 120.73      
16 Au 1336 1278 2.62      
17 Au 1230 1177 3.18      
18 Au 958 916 2.72      
19 Au 763 730 0.67      
20 Au 286 274 257.79      
21 Au 98 93 17.98      
22 Au 80 76 2.38      
23 Bg 3086 2953 0.00      
24 Bg 3012 2882 0.00      
25 Bg 1330 1273 0.00      
26 Bg 1298 1241 0.00      
27 Bg 1189 1138 0.00      
28 Bg 822 787 0.00      
29 Bg 283 270 0.00      
30 Bg 155 149 0.00      
31 Bu 3794 3630 31.52      
32 Bu 3057 2924 64.63      
33 Bu 2982 2853 118.74      
34 Bu 1556 1489 7.05      
35 Bu 1527 1461 4.00      
36 Bu 1479 1415 16.89      
37 Bu 1324 1267 95.20      
38 Bu 1221 1168 41.87      
39 Bu 1103 1055 200.39      
40 Bu 1008 964 3.81      
41 Bu 523 500 39.65      
42 Bu 137 131 6.29      

Unscaled Zero Point Vibrational Energy (zpe) 31375.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 30016.7 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
0.57483 0.03829 0.03688

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.286 2.762 0.000
O2 -1.286 -2.762 0.000
C3 1.402 1.350 0.000
C4 -1.402 -1.350 0.000
C5 0.000 0.764 0.000
C6 0.000 -0.764 0.000
H7 2.179 3.133 0.000
H8 -2.179 -3.133 0.000
H9 -0.533 1.147 0.880
H10 -0.533 1.147 -0.880
H11 0.533 -1.147 0.880
H12 0.533 -1.147 -0.880
H13 -1.952 -0.993 -0.888
H14 -1.952 -0.993 0.888
H15 1.952 0.993 -0.888
H16 1.952 0.993 0.888

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.09431.41734.91272.37683.75330.96686.83822.58712.58714.07764.07765.03765.03762.08832.0883
O26.09434.91271.41733.75332.37686.83820.96684.07764.07762.58712.58712.08832.08835.03765.0376
C31.41734.91273.89181.51922.53601.94515.73712.13502.13502.78642.78644.18614.18611.10351.1035
C44.91271.41733.89182.53601.51925.73711.94512.78642.78642.13502.13501.10351.10354.18614.1861
C52.37683.75331.51922.53601.52733.21894.46431.09821.09822.17022.17022.77212.77212.15652.1565
C63.75332.37682.53601.51921.52734.46433.21892.17022.17021.09821.09822.15652.15652.77212.7721
H70.96686.83821.94515.73713.21894.46437.63223.47463.47464.66934.66935.90575.90572.32742.3274
H86.83820.96685.73711.94514.46433.21897.63224.66934.66933.47463.47462.32742.32745.90575.9057
H92.58714.07762.13502.78641.09822.17023.47464.66931.76062.52973.08213.11772.56803.05342.4895
H102.58714.07762.13502.78641.09822.17023.47464.66931.76063.08212.52972.56803.11772.48953.0534
H114.07762.58712.78642.13502.17021.09824.66933.47462.52973.08211.76063.05342.48953.11772.5680
H124.07762.58712.78642.13502.17021.09824.66933.47463.08212.52971.76062.48953.05342.56803.1177
H135.03762.08834.18611.10352.77212.15655.90572.32743.11772.56803.05342.48951.77524.38014.7262
H145.03762.08834.18611.10352.77212.15655.90572.32742.56803.11772.48953.05341.77524.72624.3801
H152.08835.03761.10354.18612.15652.77212.32745.90573.05342.48953.11772.56804.38014.72621.7752
H162.08835.03761.10354.18612.15652.77212.32745.90572.48953.05342.56803.11774.72624.38011.7752

picture of 1,4-Butanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C5 108.024 O1 C3 H15 111.263
O1 C3 H16 111.263 O2 C4 C6 108.024
O2 C4 H13 111.263 O2 C4 H14 111.263
C3 O1 H7 107.849 C3 C5 C6 112.696
C3 C5 H9 108.237 C3 C5 H10 108.237
C4 O2 H8 107.849 C4 C6 C5 112.696
C4 C6 H11 108.237 C4 C6 H12 108.237
C5 C3 H15 109.595 C5 C3 H16 109.595
C5 C6 H11 110.438 C5 C6 H12 110.438
C6 C4 H13 109.595 C6 C4 H14 109.595
C6 C5 H9 110.438 C6 C5 H10 110.438
H9 C5 H10 106.569 H11 C6 H12 106.569
H13 C4 H14 107.092 H15 C3 H16 107.092
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.630     -0.631
2 O -0.630     -0.635
3 C -0.071     0.216
4 C -0.071     0.249
5 C -0.328     -0.090
6 C -0.328     -0.124
7 H 0.405     0.407
8 H 0.405     0.406
9 H 0.172     0.063
10 H 0.172     0.063
11 H 0.172     0.068
12 H 0.172     0.068
13 H 0.140     -0.018
14 H 0.140     -0.018
15 H 0.140     -0.010
16 H 0.140     -0.010


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP -0.007 0.004 0.000 0.008


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.116 8.203 0.000
y 8.203 -42.520 0.000
z 0.000 0.000 -37.894
Traceless
 xyz
x 13.091 8.203 0.000
y 8.203 -10.015 0.000
z 0.000 0.000 -3.076
Polar
3z2-r2-6.151
x2-y215.404
xy8.203
xz0.000
yz0.000


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> 284.345
(<r2>)1/2 16.863