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All results from a given calculation for C4H10O2 (1,4-Butanediol)

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 C2H 1Ag
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-307.062228
Energy at 298.15K-307.074294
Nuclear repulsion energy246.457035
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 Ag 4175 3776 0.00      
2 Ag 3183 2879 0.00      
3 Ag 3152 2850 0.00      
4 Ag 1670 1510 0.00      
5 Ag 1629 1473 0.00      
6 Ag 1617 1462 0.00      
7 Ag 1525 1379 0.00      
8 Ag 1383 1251 0.00      
9 Ag 1186 1072 0.00      
10 Ag 1130 1022 0.00      
11 Ag 1117 1011 0.00      
12 Ag 388 351 0.00      
13 Ag 364 329 0.00      
14 Au 3236 2927 179.82      
15 Au 3170 2867 99.05      
16 Au 1453 1314 0.64      
17 Au 1338 1210 9.00      
18 Au 1027 929 4.66      
19 Au 806 729 0.04      
20 Au 321 291 314.29      
21 Au 109 98 21.94      
22 Au 90 81 3.82      
23 Bg 3207 2901 0.00      
24 Bg 3174 2870 0.00      
25 Bg 1441 1303 0.00      
26 Bg 1413 1278 0.00      
27 Bg 1289 1165 0.00      
28 Bg 881 797 0.00      
29 Bg 316 286 0.00      
30 Bg 174 157 0.00      
31 Bu 4175 3776 61.50      
32 Bu 3188 2883 120.99      
33 Bu 3151 2850 119.01      
34 Bu 1672 1512 7.11      
35 Bu 1638 1481 6.44      
36 Bu 1612 1458 13.74      
37 Bu 1437 1300 125.51      
38 Bu 1313 1187 117.25      
39 Bu 1191 1077 193.46      
40 Bu 1058 957 1.62      
41 Bu 562 509 44.81      
42 Bu 151 136 8.06      

Unscaled Zero Point Vibrational Energy (zpe) 33553.9 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 30346.2 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
0.58633 0.03856 0.03717

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.288 2.746 0.000
O2 -1.288 -2.746 0.000
C3 1.398 1.347 0.000
C4 -1.398 -1.347 0.000
C5 0.000 0.763 0.000
C6 0.000 -0.763 0.000
H7 2.142 3.138 0.000
H8 -2.142 -3.138 0.000
H9 -0.526 1.144 0.871
H10 -0.526 1.144 -0.871
H11 0.526 -1.144 0.871
H12 0.526 -1.144 -0.871
H13 -1.945 -1.007 -0.878
H14 -1.945 -1.007 0.878
H15 1.945 1.007 -0.878
H16 1.945 1.007 0.878

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.06611.40284.89612.36423.73830.93916.81052.57272.57274.05834.05835.03105.03102.05552.0555
O26.06614.89611.40283.73832.36426.81050.93914.05834.05832.57272.57272.05552.05555.03105.0310
C31.40284.89613.88351.51532.53191.93875.71392.12252.12252.77942.77944.18244.18241.08911.0891
C44.89611.40283.88352.53191.51535.71391.93872.77942.77942.12252.12251.08911.08914.18244.1824
C52.36423.73831.51532.53191.52703.19764.45051.08671.08672.16202.16202.77302.77302.14792.1479
C63.73832.36422.53191.51531.52704.45053.19762.16202.16201.08671.08672.14792.14792.77302.7730
H70.93916.81051.93875.71393.19764.45057.59823.44303.44304.65854.65855.88685.88682.31292.3129
H86.81050.93915.71391.93874.45053.19767.59824.65854.65853.44303.44302.31292.31295.88685.8868
H92.57274.05832.12252.77941.08672.16203.44304.65851.74232.51863.06253.11462.57673.03102.4751
H102.57274.05832.12252.77941.08672.16203.44304.65851.74233.06252.51862.57673.11462.47513.0310
H114.05832.57272.77942.12252.16201.08674.65853.44302.51863.06251.74233.03102.47513.11462.5767
H124.05832.57272.77942.12252.16201.08674.65853.44303.06252.51861.74232.47513.03102.57673.1146
H135.03102.05554.18241.08912.77302.14795.88682.31293.11462.57673.03102.47511.75704.38044.7196
H145.03102.05554.18241.08912.77302.14795.88682.31292.57673.11462.47513.03101.75704.71964.3804
H152.05555.03101.08914.18242.14792.77302.31295.88683.03102.47513.11462.57674.38044.71961.7570
H162.05555.03101.08914.18242.14792.77302.31295.88682.47513.03102.57673.11464.71964.38041.7570

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 108.171 O1 C3 H15 110.522
O1 C3 H16 110.522 O2 C4 C6 108.171
O2 C4 H13 110.522 O2 C4 H14 110.522
C3 O1 H7 110.179 C3 C5 C6 112.661
C3 C5 H9 108.191 C3 C5 H10 108.191
C4 O2 H8 110.179 C4 C6 C5 112.661
C4 C6 H11 108.191 C4 C6 H12 108.191
C5 C3 H15 110.048 C5 C3 H16 110.048
C5 C6 H11 110.495 C5 C6 H12 110.495
C6 C4 H13 110.048 C6 C4 H14 110.048
C6 C5 H9 110.495 C6 C5 H10 110.495
H9 C5 H10 106.581 H11 C6 H12 106.581
H13 C4 H14 107.537 H15 C3 H16 107.537
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.675 -0.766   -0.750
2 O -0.675 -0.766   -0.756
3 C -0.070 0.473   0.371
4 C -0.070 0.473   0.416
5 C -0.450 -0.075   -0.067
6 C -0.450 -0.075   -0.116
7 H 0.416 0.447   0.453
8 H 0.416 0.447   0.451
9 H 0.212 0.031   0.041
10 H 0.212 0.031   0.041
11 H 0.212 0.031   0.049
12 H 0.212 0.031   0.049
13 H 0.177 -0.070   -0.051
14 H 0.177 -0.070   -0.051
15 H 0.177 -0.070   -0.041
16 H 0.177 -0.070   -0.041


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 -0.010 0.004 0.000 0.011


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.111 8.791 0.000
y 8.791 -44.483 0.000
z 0.000 0.000 -38.327
Traceless
 xyz
x 14.294 8.791 0.000
y 8.791 -11.764 0.000
z 0.000 0.000 -2.530
Polar
3z2-r2-5.060
x2-y217.372
xy8.791
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.553 0.858 0.000
y 0.858 8.039 0.000
z 0.000 0.000 6.330


<r2> (average value of r2) Å2
<r2> 282.834
(<r2>)1/2 16.818