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All results from a given calculation for C4H10O2 (1,3-Butanediol)

using model chemistry: HF/CEP-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/CEP-31G*
 hartrees
Energy at 0K-59.151168
Energy at 298.15K-59.163199
Nuclear repulsion energy147.500975
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/CEP-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 4160 3736 41.59      
2 A 4153 3730 35.33      
3 A 3305 2968 179.38      
4 A 3295 2959 3.95      
5 A 3274 2940 41.89      
6 A 3273 2939 60.11      
7 A 3243 2912 28.40      
8 A 3211 2884 86.24      
9 A 3205 2878 117.81      
10 A 3194 2868 26.76      
11 A 1664 1494 3.23      
12 A 1629 1463 12.30      
13 A 1622 1457 3.85      
14 A 1619 1454 1.65      
15 A 1604 1441 19.33      
16 A 1567 1407 6.31      
17 A 1545 1388 10.38      
18 A 1501 1347 10.59      
19 A 1441 1294 44.79      
20 A 1433 1287 4.69      
21 A 1400 1257 43.44      
22 A 1351 1213 109.41      
23 A 1315 1181 24.54      
24 A 1256 1128 52.97      
25 A 1229 1104 22.11      
26 A 1180 1059 71.69      
27 A 1158 1040 45.62      
28 A 1100 988 8.70      
29 A 1061 953 5.77      
30 A 1023 919 7.86      
31 A 919 825 18.29      
32 A 851 764 6.02      
33 A 526 472 24.22      
34 A 508 456 6.77      
35 A 416 374 8.63      
36 A 354 318 8.12      
37 A 330 296 168.17      
38 A 305 274 126.40      
39 A 262 235 0.47      
40 A 192 172 3.72      
41 A 125 112 6.29      
42 A 98 88 11.15      

Unscaled Zero Point Vibrational Energy (zpe) 33447.7 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 30036.0 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/CEP-31G*
ABC
0.25167 0.05840 0.05046

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.171 1.322 -0.282
H2 1.982 1.721 0.011
O3 -2.681 -0.369 -0.160
H4 -3.437 0.187 -0.011
C5 2.209 -0.868 -0.030
H6 2.261 -1.013 -1.110
H7 3.155 -0.432 0.303
H8 2.105 -1.844 0.449
C9 1.027 0.044 0.330
H10 0.993 0.171 1.417
C11 -0.306 -0.539 -0.149
H12 -0.442 -1.528 0.290
H13 -0.279 -0.658 -1.233
C14 -1.508 0.331 0.227
H15 -1.517 0.512 1.307
H16 -1.449 1.294 -0.280

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
O10.95034.20834.75302.43702.70672.71243.38091.42392.05972.37933.32422.63152.90153.22582.6204
H20.95035.11255.63162.59932.96792.46913.59371.95532.31393.21974.06283.50963.76293.92203.4701
O34.20835.11250.94994.91735.07375.85475.04463.76324.03432.38062.56122.64611.41942.06982.0725
H44.75305.63160.94995.74375.92576.62825.91974.47934.65403.21623.46413.48941.94852.35122.2905
C52.43702.59934.91735.74371.09101.09351.09191.53582.15712.53992.75062.77183.91444.19274.2571
H62.70672.96795.07375.92571.09101.77011.77342.17093.06532.78243.08762.56804.21924.73764.4475
H72.71242.46915.85476.62821.09351.77011.76582.18052.50583.49253.76013.76874.72584.87124.9518
H83.38093.59375.04465.91971.09191.77341.76582.17732.49702.80622.57093.14904.22274.40534.7967
C91.42391.95533.76324.47931.53582.17092.18052.17731.09501.53222.15212.15422.55372.76562.8403
H102.05972.31394.03434.65402.15713.06532.50582.49701.09502.15492.49293.05362.77422.53543.1784
C112.37933.21972.38063.21622.53992.78243.49252.80621.53222.15491.09101.09051.53012.16562.1636
H123.32424.06282.56123.46412.75063.08763.76012.57092.15212.49291.09101.76152.14372.52043.0499
H132.63153.50962.64613.48942.77182.56803.76873.14902.15423.05361.09051.76152.14903.05802.4672
C142.90153.76291.41941.94853.91444.21924.72584.22272.55372.77421.53012.14372.14901.09521.0898
H153.22583.92202.06982.35124.19274.73764.87124.40532.76562.53542.16562.52043.05801.09521.7698
H162.62043.47012.07252.29054.25714.44754.95184.79672.84033.17842.16363.04992.46721.08981.7698

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 110.793 O1 C9 H10 109.006
O1 C9 C11 107.142 H2 O1 C9 109.256
O3 C14 C11 107.571 O3 C14 H15 110.126
O3 C14 H16 110.690 H4 O3 C14 109.035
C5 C9 H10 109.002 C5 C9 C11 111.763
H6 C5 H7 108.254 H6 C5 H8 108.661
H6 C5 C9 110.321 H7 C5 H8 107.802
H7 C5 C9 110.938 H8 C5 C9 110.773
C9 C11 H12 109.099 C9 C11 H13 109.286
C9 C11 C14 113.010 H10 C9 C11 109.078
C11 C14 H15 110.055 C11 C14 H16 110.214
H12 C11 H13 107.698 H12 C11 C14 108.584
H13 C11 C14 109.026 H15 C14 H16 108.191
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.625      
2 H 0.416      
3 O -0.582      
4 H 0.420      
5 C -0.319      
6 H 0.114      
7 H 0.123      
8 H 0.098      
9 C 0.081      
10 H 0.082      
11 C -0.109      
12 H 0.095      
13 H 0.098      
14 C -0.080      
15 H 0.071      
16 H 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.322 0.911 1.754 2.378
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.929 -3.412 -0.198
y -3.412 -38.974 1.086
z -0.198 1.086 -38.549
Traceless
 xyz
x 6.832 -3.412 -0.198
y -3.412 -3.735 1.086
z -0.198 1.086 -3.097
Polar
3z2-r2-6.195
x2-y27.045
xy-3.412
xz-0.198
yz1.086


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.231 -0.118 0.059
y -0.118 6.741 0.062
z 0.059 0.062 6.007


<r2> (average value of r2) Å2
<r2> 184.804
(<r2>)1/2 13.594