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

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-307.017442
Energy at 298.15K-307.029439
Nuclear repulsion energy246.245267
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/6-31G**
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 4191 3783 0.00      
2 Ag 3185 2875 0.00      
3 Ag 3145 2839 0.00      
4 Ag 1666 1504 0.00      
5 Ag 1627 1468 0.00      
6 Ag 1609 1453 0.00      
7 Ag 1519 1371 0.00      
8 Ag 1367 1234 0.00      
9 Ag 1194 1078 0.00      
10 Ag 1126 1016 0.00      
11 Ag 1117 1008 0.00      
12 Ag 388 350 0.00      
13 Ag 364 329 0.00      
14 Au 3242 2927 135.85      
15 Au 3170 2862 110.75      
16 Au 1444 1303 1.24      
17 Au 1333 1203 8.23      
18 Au 1025 925 3.91      
19 Au 806 728 0.02      
20 Au 300 270 286.25      
21 Au 107 97 21.07      
22 Au 90 81 3.08      
23 Bg 3216 2903 0.00      
24 Bg 3173 2864 0.00      
25 Bg 1432 1293 0.00      
26 Bg 1405 1269 0.00      
27 Bg 1288 1163 0.00      
28 Bg 878 793 0.00      
29 Bg 295 266 0.00      
30 Bg 173 157 0.00      
31 Bu 4191 3783 93.42      
32 Bu 3190 2879 91.74      
33 Bu 3145 2839 113.83      
34 Bu 1668 1506 8.17      
35 Bu 1635 1476 6.15      
36 Bu 1604 1448 20.85      
37 Bu 1426 1287 104.81      
38 Bu 1301 1174 110.04      
39 Bu 1196 1080 202.09      
40 Bu 1058 955 2.86      
41 Bu 562 507 41.59      
42 Bu 151 136 7.25      

Unscaled Zero Point Vibrational Energy (zpe) 33500.8 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 30237.8 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/6-31G**
ABC
0.58489 0.03850 0.03711

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.291 2.747 0.000
O2 -1.291 -2.747 0.000
C3 1.401 1.348 0.000
C4 -1.401 -1.348 0.000
C5 0.000 0.764 0.000
C6 0.000 -0.764 0.000
H7 2.150 3.135 0.000
H8 -2.150 -3.135 0.000
H9 -0.526 1.143 0.872
H10 -0.526 1.143 -0.872
H11 0.526 -1.143 0.872
H12 0.526 -1.143 -0.872
H13 -1.947 -1.003 -0.878
H14 -1.947 -1.003 0.878
H15 1.947 1.003 -0.878
H16 1.947 1.003 0.878

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.07021.40304.90062.36613.74070.94246.81492.57602.57604.05954.05955.03155.03152.05942.0594
O26.07024.90061.40303.74072.36616.81490.94244.05954.05952.57602.57602.05942.05945.03155.0315
C31.40304.90063.88851.51792.53451.93805.71932.12552.12552.78092.78094.18394.18391.09001.0900
C44.90061.40303.88852.53451.51795.71931.93802.78092.78092.12552.12551.09001.09004.18394.1839
C52.36613.74071.51792.53451.52813.20094.45291.08721.08722.16262.16262.77182.77182.14892.1489
C63.74072.36612.53451.51791.52814.45293.20092.16262.16261.08721.08722.14892.14892.77182.7718
H70.94246.81491.93805.71933.20094.45297.60353.44843.44844.65904.65905.88895.88892.31532.3153
H86.81490.94245.71931.93804.45293.20097.60354.65904.65903.44843.44842.31532.31535.88895.8889
H92.57604.05952.12552.78091.08722.16263.44844.65901.74492.51743.06303.11272.57373.03312.4769
H102.57604.05952.12552.78091.08722.16263.44844.65901.74493.06302.51742.57373.11272.47693.0331
H114.05952.57602.78092.12552.16261.08724.65903.44842.51743.06301.74493.03312.47693.11272.5737
H124.05952.57602.78092.12552.16261.08724.65903.44843.06302.51741.74492.47693.03312.57373.1127
H135.03152.05944.18391.09002.77182.14895.88892.31533.11272.57373.03312.47691.75654.37954.7187
H145.03152.05944.18391.09002.77182.14895.88892.31532.57373.11272.47693.03311.75654.71874.3795
H152.05945.03151.09004.18392.14892.77182.31535.88893.03312.47693.11272.57374.37954.71871.7565
H162.05945.03151.09004.18392.14892.77182.31535.88892.47693.03312.57373.11274.71874.37951.7565

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 108.142 O1 C3 H15 110.777
O1 C3 H16 110.777 O2 C4 C6 108.142
O2 C4 H13 110.777 O2 C4 H14 110.777
C3 O1 H7 109.883 C3 C5 C6 112.623
C3 C5 H9 108.214 C3 C5 H10 108.214
C4 O2 H8 109.883 C4 C6 C5 112.623
C4 C6 H11 108.214 C4 C6 H12 108.214
C5 C3 H15 109.889 C5 C3 H16 109.889
C5 C6 H11 110.421 C5 C6 H12 110.421
C6 C4 H13 109.889 C6 C4 H14 109.889
C6 C5 H9 110.421 C6 C5 H10 110.421
H9 C5 H10 106.735 H11 C6 H12 106.735
H13 C4 H14 107.371 H15 C3 H16 107.371
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.649 -0.728    
2 O -0.649 -0.728    
3 C 0.125 0.428    
4 C 0.125 0.428    
5 C -0.240 -0.088    
6 C -0.240 -0.088    
7 H 0.336 0.427    
8 H 0.336 0.427    
9 H 0.124 0.041    
10 H 0.124 0.041    
11 H 0.124 0.041    
12 H 0.124 0.041    
13 H 0.090 -0.060    
14 H 0.090 -0.060    
15 H 0.090 -0.060    
16 H 0.090 -0.060    


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        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.233 8.190 0.000
y 8.190 -44.030 0.000
z 0.000 0.000 -38.254
Traceless
 xyz
x 13.910 8.190 0.000
y 8.190 -11.287 0.000
z 0.000 0.000 -2.623
Polar
3z2-r2-5.246
x2-y216.797
xy8.190
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.294 0.897 0.000
y 0.897 7.853 0.000
z 0.000 0.000 6.246


<r2> (average value of r2) Å2
<r2> 283.113
(<r2>)1/2 16.826