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

using model chemistry: HF/SDD

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/SDD
 hartrees
Energy at 0K-306.929059
Energy at 298.15K-306.940977
Nuclear repulsion energy244.012261
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/SDD
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 4063 3658 0.00      
2 Ag 3219 2898 0.00      
3 Ag 3203 2884 0.00      
4 Ag 1674 1507 0.00      
5 Ag 1652 1487 0.00      
6 Ag 1591 1433 0.00      
7 Ag 1525 1373 0.00      
8 Ag 1339 1205 0.00      
9 Ag 1160 1044 0.00      
10 Ag 1125 1013 0.00      
11 Ag 1105 995 0.00      
12 Ag 388 350 0.00      
13 Ag 353 318 0.00      
14 Au 3289 2962 197.65      
15 Au 3240 2917 66.69      
16 Au 1452 1307 2.69      
17 Au 1322 1190 8.92      
18 Au 1037 934 1.50      
19 Au 836 753 1.40      
20 Au 291 262 426.50      
21 Au 110 99 32.70      
22 Au 84 76 6.06      
23 Bg 3263 2938 0.00      
24 Bg 3242 2919 0.00      
25 Bg 1439 1296 0.00      
26 Bg 1408 1268 0.00      
27 Bg 1284 1156 0.00      
28 Bg 903 813 0.00      
29 Bg 282 254 0.00      
30 Bg 162 145 0.00      
31 Bu 4062 3658 55.38      
32 Bu 3222 2901 151.07      
33 Bu 3203 2884 95.40      
34 Bu 1676 1509 8.79      
35 Bu 1657 1492 6.80      
36 Bu 1589 1431 20.20      
37 Bu 1439 1296 39.75      
38 Bu 1292 1163 118.39      
39 Bu 1150 1035 250.66      
40 Bu 1046 942 7.19      
41 Bu 550 495 56.71      
42 Bu 149 134 11.72      

Unscaled Zero Point Vibrational Energy (zpe) 33537.4 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 30197.1 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/SDD
ABC
0.57431 0.03789 0.03650

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.293 2.779 0.000
O2 -1.293 -2.779 0.000
C3 1.410 1.342 0.000
C4 -1.410 -1.342 0.000
C5 0.000 0.768 0.000
C6 0.000 -0.768 0.000
H7 2.129 3.237 0.000
H8 -2.129 -3.237 0.000
H9 -0.523 1.148 0.872
H10 -0.523 1.148 -0.872
H11 0.523 -1.148 0.872
H12 0.523 -1.148 -0.872
H13 -1.954 -1.013 -0.880
H14 -1.954 -1.013 0.880
H15 1.954 1.013 -0.880
H16 1.954 1.013 0.880

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.13071.44254.92842.39073.77590.95286.92102.59192.59194.09574.09575.06935.06932.08182.0818
O26.13074.92841.44253.77592.39076.92100.95284.09574.09572.59192.59192.08182.08185.06935.0693
C31.44254.92843.89291.52222.53792.02675.78662.12902.12902.78292.78294.19974.19971.08601.0860
C44.92841.44253.89292.53791.52225.78662.02672.78292.78292.12902.12901.08601.08604.19974.1997
C52.39073.77591.52222.53791.53673.25954.53561.08481.08482.16882.16882.78682.78682.15732.1573
C63.77592.39072.53791.52221.53674.53563.25952.16882.16881.08481.08482.15732.15732.78682.7868
H70.95286.92102.02675.78663.25954.53567.74793.48613.48614.75004.75005.95845.95842.39842.3984
H86.92100.95285.78662.02674.53563.25957.74794.75004.75003.48613.48612.39842.39845.95845.9584
H92.59194.09572.12902.78291.08482.16883.48614.75001.74342.52193.06583.12842.59173.03682.4804
H102.59194.09572.12902.78291.08482.16883.48614.75001.74343.06582.52192.59173.12842.48043.0368
H114.09572.59192.78292.12902.16881.08484.75003.48612.52193.06581.74343.03682.48043.12842.5917
H124.09572.59192.78292.12902.16881.08484.75003.48613.06582.52191.74342.48043.03682.59173.1284
H135.06932.08184.19971.08602.78682.15735.95842.39843.12842.59173.03682.48041.76094.40214.7412
H145.06932.08184.19971.08602.78682.15735.95842.39842.59173.12842.48043.03681.76094.74124.4021
H152.08185.06931.08604.19972.15732.78682.39845.95843.03682.48043.12842.59174.40214.74121.7609
H162.08185.06931.08604.19972.15732.78682.39845.95842.48043.03682.59173.12844.74124.40211.7609

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 107.460 O1 C3 H15 110.040
O1 C3 H16 110.040 O2 C4 C6 107.460
O2 C4 H13 110.040 O2 C4 H14 110.040
C3 O1 H7 114.022 C3 C5 C6 112.128
C3 C5 H9 108.331 C3 C5 H10 108.331
C4 O2 H8 114.022 C4 C6 C5 112.128
C4 C6 H11 108.331 C4 C6 H12 108.331
C5 C3 H15 110.486 C5 C3 H16 110.486
C5 C6 H11 110.463 C5 C6 H12 110.463
C6 C4 H13 110.486 C6 C4 H14 110.486
C6 C5 H9 110.463 C6 C5 H10 110.463
H9 C5 H10 106.950 H11 C6 H12 106.950
H13 C4 H14 108.332 H15 C3 H16 108.332
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.646      
2 O -0.646      
3 C -0.116      
4 C -0.116      
5 C -0.285      
6 C -0.285      
7 H 0.392      
8 H 0.392      
9 H 0.174      
10 H 0.174      
11 H 0.174      
12 H 0.174      
13 H 0.154      
14 H 0.154      
15 H 0.154      
16 H 0.154      


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 -25.701 9.554 0.000
y 9.554 -47.183 0.000
z 0.000 0.000 -38.356
Traceless
 xyz
x 17.068 9.554 0.000
y 9.554 -15.155 0.000
z 0.000 0.000 -1.913
Polar
3z2-r2-3.827
x2-y221.482
xy9.554
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.995 0.997 0.000
y 0.997 7.795 0.000
z 0.000 0.000 5.654


<r2> (average value of r2) Å2
<r2> 287.941
(<r2>)1/2 16.969