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

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-308.474905
Energy at 298.15K-308.486372
Nuclear repulsion energy243.427713
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 PBEPBE/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 3642 3590 0.00      
2 Ag 2970 2927 0.00      
3 Ag 2891 2849 0.00      
4 Ag 1507 1485 0.00      
5 Ag 1473 1452 0.00      
6 Ag 1432 1412 0.00      
7 Ag 1351 1332 0.00      
8 Ag 1249 1231 0.00      
9 Ag 1070 1055 0.00      
10 Ag 1044 1029 0.00      
11 Ag 1014 999 0.00      
12 Ag 351 346 0.00      
13 Ag 330 325 0.00      
14 Au 3030 2986 75.02      
15 Au 2915 2873 127.89      
16 Au 1292 1274 2.94      
17 Au 1186 1169 2.00      
18 Au 925 912 2.44      
19 Au 746 735 0.81      
20 Au 280 276 236.70      
21 Au 94 93 15.31      
22 Au 79 78 3.44      
23 Bg 3006 2963 0.00      
24 Bg 2916 2874 0.00      
25 Bg 1284 1266 0.00      
26 Bg 1255 1237 0.00      
27 Bg 1152 1135 0.00      
28 Bg 799 788 0.00      
29 Bg 277 273 0.00      
30 Bg 152 150 0.00      
31 Bu 3642 3590 12.80      
32 Bu 2978 2936 62.13      
33 Bu 2891 2849 125.51      
34 Bu 1511 1490 7.36      
35 Bu 1482 1461 3.54      
36 Bu 1434 1413 17.86      
37 Bu 1284 1266 91.82      
38 Bu 1184 1167 27.92      
39 Bu 1057 1042 196.82      
40 Bu 981 967 2.28      
41 Bu 509 501 37.94      
42 Bu 136 134 5.53      

Unscaled Zero Point Vibrational Energy (zpe) 30399.9 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 29965.2 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 PBEPBE/6-31G*
ABC
0.56598 0.03792 0.03653

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.517 2.661 0.000
O2 -1.517 -2.661 0.000
C3 1.517 1.233 0.000
C4 -1.517 -1.233 0.000
C5 0.065 0.764 0.000
C6 -0.065 -0.764 0.000
H7 2.452 2.946 0.000
H8 -2.452 -2.946 0.000
H9 -0.439 1.194 0.887
H10 -0.439 1.194 -0.887
H11 0.439 -1.194 0.887
H12 0.439 -1.194 -0.887
H13 -2.038 -0.824 -0.895
H14 -2.038 -0.824 0.895
H15 2.038 0.824 -0.895
H16 2.038 0.824 0.895

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.12571.42834.93572.38893.77230.97786.86962.60022.60024.09994.09995.05775.05772.10892.1089
O26.12574.93571.42833.77232.38896.86960.97784.09994.09992.60022.60022.10892.10895.05775.0577
C31.42834.93573.90881.52582.54691.95235.76312.14722.14722.79952.79954.20304.20301.11331.1133
C44.93571.42833.90882.54691.52585.76311.95232.79952.79952.14722.14721.11331.11334.20304.2030
C52.38893.77231.52582.54691.53343.23454.48321.10651.10652.18162.18162.78252.78252.16762.1676
C63.77232.38892.54691.52581.53344.48323.23452.18162.18161.10651.10652.16762.16762.78252.7825
H70.97786.86961.95235.76313.23454.48327.66623.49453.49454.68854.68855.93085.93082.34032.3403
H86.86960.97785.76311.95234.48323.23457.66624.68854.68853.49453.49452.34032.34035.93085.9308
H92.60024.09992.14722.79951.10652.18163.49454.68851.77352.54393.10113.13102.57493.07312.5041
H102.60024.09992.14722.79951.10652.18163.49454.68851.77353.10112.54392.57493.13102.50413.0731
H114.09992.60022.79952.14722.18161.10654.68853.49452.54393.10111.77353.07312.50413.13102.5749
H124.09992.60022.79952.14722.18161.10654.68853.49453.10112.54391.77352.50413.07312.57493.1310
H135.05772.10894.20301.11332.78252.16765.93082.34033.13102.57493.07312.50411.78914.39664.7467
H145.05772.10894.20301.11332.78252.16765.93082.34032.57493.13102.50413.07311.78914.74674.3966
H152.10895.05771.11334.20302.16762.78252.34035.93083.07312.50413.13102.57494.39664.74671.7891
H162.10895.05771.11334.20302.16762.78252.34035.93082.50413.07312.57493.13104.74674.39661.7891

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 107.890 O1 C3 H15 111.550
O1 C3 H16 111.550 O2 C4 C6 107.890
O2 C4 H13 111.550 O2 C4 H14 111.550
C3 O1 H7 106.970 C3 C5 C6 112.723
C3 C5 H9 108.259 C3 C5 H10 108.259
C4 O2 H8 106.970 C4 C6 C5 112.723
C4 C6 H11 108.259 C4 C6 H12 108.259
C5 C3 H15 109.446 C5 C3 H16 109.446
C5 C6 H11 110.421 C5 C6 H12 110.421
C6 C4 H13 109.446 C6 C4 H14 109.446
C6 C5 H9 110.421 C6 C5 H10 110.421
H9 C5 H10 106.531 H11 C6 H12 106.531
H13 C4 H14 106.938 H15 C3 H16 106.938
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.585      
2 O -0.585      
3 C -0.077      
4 C -0.077      
5 C -0.299      
6 C -0.299      
7 H 0.386      
8 H 0.386      
9 H 0.159      
10 H 0.159      
11 H 0.159      
12 H 0.159      
13 H 0.129      
14 H 0.129      
15 H 0.129      
16 H 0.129      


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 -26.443 6.780 0.000
y 6.780 -43.429 0.000
z 0.000 0.000 -38.199
Traceless
 xyz
x 14.370 6.780 0.000
y 6.780 -11.108 0.000
z 0.000 0.000 -3.262
Polar
3z2-r2-6.525
x2-y216.986
xy6.780
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.320 1.265 0.000
y 1.265 8.661 0.000
z 0.000 0.000 6.563


<r2> (average value of r2) Å2
<r2> 287.018
(<r2>)1/2 16.942