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All results from a given calculation for C4H10O2 (1,3-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 C1 1A
Energy calculated at HF/6-31G**
 hartrees
Energy at 0K-307.022542
Energy at 298.15K-307.034638
Nuclear repulsion energy257.283117
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 A 4193 3785 44.93      
2 A 4183 3776 39.14      
3 A 3265 2947 70.07      
4 A 3248 2932 41.60      
5 A 3240 2925 49.41      
6 A 3220 2907 24.74      
7 A 3200 2888 21.99      
8 A 3177 2868 29.74      
9 A 3147 2840 119.60      
10 A 3132 2827 21.51      
11 A 1669 1507 3.73      
12 A 1630 1471 5.32      
13 A 1622 1464 4.23      
14 A 1618 1460 2.24      
15 A 1605 1448 16.63      
16 A 1567 1414 13.37      
17 A 1551 1400 12.64      
18 A 1517 1370 6.60      
19 A 1447 1306 33.11      
20 A 1438 1298 2.51      
21 A 1404 1267 46.43      
22 A 1351 1219 109.01      
23 A 1324 1195 16.93      
24 A 1268 1144 35.14      
25 A 1234 1113 36.34      
26 A 1189 1073 62.74      
27 A 1160 1047 48.53      
28 A 1104 997 15.76      
29 A 1068 964 4.10      
30 A 1027 927 6.93      
31 A 925 835 16.19      
32 A 867 782 6.16      
33 A 540 488 20.57      
34 A 517 467 7.24      
35 A 426 384 9.06      
36 A 361 326 3.28      
37 A 324 293 152.45      
38 A 290 262 122.46      
39 A 264 239 1.14      
40 A 195 176 3.69      
41 A 129 116 6.10      
42 A 99 90 9.32      

Unscaled Zero Point Vibrational Energy (zpe) 33366.5 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 30116.6 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 HF/6-31G**
ABC
0.25596 0.05923 0.05118

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.165 1.309 -0.266
H2 1.959 1.719 0.035
O3 -2.658 -0.348 -0.158
H4 -3.411 0.202 -0.021
C5 2.199 -0.864 -0.042
H6 2.252 -0.992 -1.118
H7 3.139 -0.434 0.294
H8 2.100 -1.842 0.419
C9 1.027 0.038 0.327
H10 0.999 0.148 1.413
C11 -0.305 -0.533 -0.138
H12 -0.447 -1.515 0.303
H13 -0.284 -0.662 -1.217
C14 -1.494 0.337 0.229
H15 -1.500 0.525 1.304
H16 -1.420 1.297 -0.273

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
O10.94294.16914.71522.41702.68362.69183.35741.41012.04822.36043.30182.62482.87493.19132.5857
H20.94295.06305.58102.59562.96092.46843.58431.94462.29953.19814.04013.50263.72483.87303.4197
O34.16915.06300.94224.88575.04445.81545.02043.73714.01102.36102.54272.61901.40532.05932.0620
H44.71525.58100.94225.71025.89046.58835.89424.45494.63773.19433.44113.45781.93802.34832.2860
C52.41702.59564.88575.71021.08511.08741.08551.52392.14042.52702.74612.75363.89284.17354.2211
H62.68362.96095.04445.89041.08511.75871.76342.15623.04572.77603.09462.55874.19704.71604.4086
H72.69182.46845.81546.58831.08741.75871.75442.16402.48393.47203.74523.74804.69724.84304.9091
H83.35743.58435.02045.89421.08551.76341.75442.16602.48172.79402.57013.12244.20724.39764.7663
C91.41011.94463.73714.45491.52392.15622.16402.16601.09171.52182.14112.14262.54092.75242.8166
H102.04822.29954.01104.63772.14043.04572.48392.48171.09172.13762.46753.03572.76622.52923.1640
C112.36043.19812.36103.19432.52702.77603.47202.79401.52182.13761.08641.08611.51892.15102.1468
H123.30184.04012.54273.44112.74613.09463.74522.57012.14112.46751.08641.75052.12932.50443.0307
H132.62483.50262.61903.45782.75362.55873.74803.12242.14263.03571.08611.75052.13413.03972.4533
C142.87493.72481.40531.93803.89284.19704.69724.20722.54092.76621.51892.12932.13411.09081.0853
H153.19133.87302.05932.34834.17354.71604.84304.39762.75242.52922.15102.50443.03971.09081.7570
H162.58573.41972.06202.28604.22114.40864.90914.76632.81663.16402.14683.03072.45331.08531.7570

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 110.871 O1 C9 H10 109.255
O1 C9 C11 107.176 H2 O1 C9 109.877
O3 C14 C11 107.621 O3 C14 H15 110.547
O3 C14 H16 111.121 H4 O3 C14 109.718
C5 C9 H10 108.706 C5 C9 C11 112.134
H6 C5 H7 108.106 H6 C5 H8 108.672
H6 C5 C9 110.341 H7 C5 H8 107.692
H7 C5 C9 110.825 H8 C5 C9 111.101
C9 C11 H12 109.216 C9 C11 H13 109.348
C9 C11 C14 113.360 H10 C9 C11 108.639
C11 C14 H15 109.936 C11 C14 H16 109.934
H12 C11 H13 107.368 H12 C11 C14 108.491
H13 C11 C14 108.882 H15 C14 H16 107.691
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.650 -0.734    
2 H 0.334 0.432    
3 O -0.654 -0.733    
4 H 0.335 0.429    
5 C -0.342 -0.337    
6 H 0.128 0.089    
7 H 0.101 0.082    
8 H 0.115 0.067    
9 C 0.187 0.411    
10 H 0.093 -0.042    
11 C -0.224 -0.035    
12 H 0.124 0.022    
13 H 0.133 0.054    
14 C 0.119 0.374    
15 H 0.081 -0.057    
16 H 0.119 -0.022    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.208 0.943 1.567 2.192
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.827 -3.036 -0.078
y -3.036 -38.572 1.120
z -0.078 1.120 -38.662
Traceless
 xyz
x 6.790 -3.036 -0.078
y -3.036 -3.327 1.120
z -0.078 1.120 -3.463
Polar
3z2-r2-6.926
x2-y26.745
xy-3.036
xz-0.078
yz1.120


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.148 -0.031 0.075
y -0.031 6.829 0.036
z 0.075 0.036 6.334


<r2> (average value of r2) Å2
<r2> 222.284
(<r2>)1/2 14.909