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All results from a given calculation for C4H10O2 (1,3-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 C1 1A
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-308.670212
Energy at 298.15K-308.681920
Nuclear repulsion energy254.320013
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 A 3688 3532 3.04      
2 A 3675 3520 3.40      
3 A 3153 3020 34.56      
4 A 3132 2999 34.14      
5 A 3130 2997 30.02      
6 A 3091 2960 23.01      
7 A 3072 2942 17.31      
8 A 3050 2921 22.52      
9 A 3005 2878 85.84      
10 A 2991 2864 35.44      
11 A 1567 1500 3.18      
12 A 1539 1474 6.82      
13 A 1536 1471 8.57      
14 A 1525 1460 1.71      
15 A 1466 1404 5.89      
16 A 1451 1390 8.31      
17 A 1443 1382 20.78      
18 A 1398 1339 7.31      
19 A 1355 1298 12.54      
20 A 1340 1283 0.94      
21 A 1302 1247 23.26      
22 A 1260 1207 57.62      
23 A 1218 1167 2.07      
24 A 1171 1121 9.31      
25 A 1132 1084 60.00      
26 A 1105 1058 14.24      
27 A 1061 1016 48.65      
28 A 1018 975 45.22      
29 A 1007 964 14.70      
30 A 961 920 19.00      
31 A 859 822 18.78      
32 A 820 785 14.06      
33 A 501 480 23.23      
34 A 479 459 6.17      
35 A 396 379 11.04      
36 A 336 322 13.38      
37 A 310 296 174.01      
38 A 276 264 139.62      
39 A 246 235 0.25      
40 A 181 173 5.26      
41 A 114 109 10.89      
42 A 94 90 7.92      

Unscaled Zero Point Vibrational Energy (zpe) 31225.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 29904.6 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
0.24723 0.05863 0.05049

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.155 1.338 -0.264
H2 2.002 1.747 -0.003
O3 -2.682 -0.358 -0.165
H4 -3.462 0.219 -0.065
C5 2.210 -0.872 -0.057
H6 2.254 -0.968 -1.147
H7 3.161 -0.447 0.291
H8 2.115 -1.873 0.379
C9 1.033 0.013 0.342
H10 1.013 0.123 1.440
C11 -0.305 -0.541 -0.127
H12 -0.462 -1.531 0.318
H13 -0.282 -0.670 -1.216
C14 -1.479 0.350 0.239
H15 -1.487 0.541 1.324
H16 -1.386 1.314 -0.275

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
O10.97614.19584.75412.45792.70332.74203.41241.46152.09742.38303.34432.64572.85763.18382.5411
H20.97615.13745.67342.62792.95712.49893.64182.01552.38713.25134.11363.53893.75863.92313.4264
O34.19585.13740.97504.92095.07005.86145.06033.76844.05772.38452.55712.63931.45282.11022.1179
H44.75415.67340.97505.77645.93756.66565.97314.51854.72283.24773.49423.49712.00992.43582.3558
C52.45792.62794.92095.77641.09501.09741.09581.52582.15942.53822.77832.75583.89844.19284.2148
H62.70332.95715.07005.93751.09501.77751.77902.16113.06952.78773.13702.55414.19524.73134.3844
H72.74202.49895.86146.66561.09741.77751.77042.17722.50143.49223.78193.76424.70864.86334.9091
H83.41243.64185.06035.97311.09581.77901.77042.17472.51452.80852.60063.12004.22894.43854.7797
C91.46152.01553.76844.51851.52582.16112.17722.17471.10371.52302.15042.15032.53762.75662.8158
H102.09742.38714.05774.72282.15943.06952.50142.51451.10372.15332.48483.05952.77662.53843.1814
C112.38303.25132.38453.24772.53822.78773.49222.80851.52302.15331.09721.09641.51922.16272.1523
H123.34434.11362.55713.49422.77833.13703.78192.60062.15042.48481.09721.76842.14052.52193.0500
H132.64573.53892.63933.49712.75582.55413.76423.12002.15033.05951.09641.76842.14313.06182.4581
C142.85763.75861.45282.00993.89844.19524.70864.22892.53762.77661.51922.14052.14311.10211.0963
H153.18383.92312.11022.43584.19284.73134.86334.43852.75662.53842.16272.52193.06181.10211.7794
H162.54113.42642.11792.35584.21484.38444.90914.77972.81583.18142.15233.05002.45811.09631.7794

picture of 1,3-Butanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C9 C5 110.709 O1 C9 H10 108.904
O1 C9 C11 105.952 H2 O1 C9 109.954
O3 C14 C11 106.682 O3 C14 H15 110.619
O3 C14 H16 111.604 H4 O3 C14 110.203
C5 C9 H10 109.366 C5 C9 C11 112.716
H6 C5 H7 108.338 H6 C5 H8 108.588
H6 C5 C9 110.001 H7 C5 H8 107.649
H7 C5 C9 111.134 H8 C5 C9 111.035
C9 C11 H12 109.230 C9 C11 H13 109.270
C9 C11 C14 113.049 H10 C9 C11 109.082
C11 C14 H15 110.173 C11 C14 H16 109.693
H12 C11 H13 107.448 H12 C11 C14 108.717
H13 C11 C14 108.973 H15 C14 H16 108.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.625      
2 H 0.367      
3 O -0.635      
4 H 0.368      
5 C -0.483      
6 H 0.179      
7 H 0.149      
8 H 0.164      
9 C 0.052      
10 H 0.146      
11 C -0.277      
12 H 0.171      
13 H 0.181      
14 C -0.074      
15 H 0.137      
16 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.484 0.964 1.583 2.375
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.679 -3.679 -0.110
y -3.679 -38.542 1.054
z -0.110 1.054 -38.541
Traceless
 xyz
x 7.862 -3.679 -0.110
y -3.679 -3.931 1.054
z -0.110 1.054 -3.931
Polar
3z2-r2-7.861
x2-y27.862
xy-3.679
xz-0.110
yz1.054


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> 224.999
(<r2>)1/2 15.000