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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-308.792429
Energy at 298.15K-308.804171
Nuclear repulsion energy256.449300
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 mPW1PW91/6-31G*
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 3832 3634 17.92      
2 A 3817 3619 13.60      
3 A 3165 3001 29.93      
4 A 3143 2980 33.18      
5 A 3137 2975 29.01      
6 A 3086 2927 27.48      
7 A 3081 2922 25.10      
8 A 3069 2910 21.17      
9 A 3007 2852 97.00      
10 A 2994 2839 32.66      
11 A 1563 1483 3.62      
12 A 1532 1453 4.39      
13 A 1527 1448 4.88      
14 A 1514 1436 1.96      
15 A 1489 1412 15.08      
16 A 1460 1385 16.84      
17 A 1438 1364 13.07      
18 A 1407 1334 6.97      
19 A 1348 1278 38.51      
20 A 1341 1272 3.39      
21 A 1314 1246 34.82      
22 A 1271 1205 59.62      
23 A 1235 1171 4.05      
24 A 1182 1121 37.45      
25 A 1157 1097 38.15      
26 A 1117 1059 29.50      
27 A 1094 1038 68.53      
28 A 1053 999 9.86      
29 A 1003 951 7.23      
30 A 964 915 7.96      
31 A 877 832 14.94      
32 A 813 771 3.98      
33 A 507 481 19.08      
34 A 485 460 5.99      
35 A 397 377 7.76      
36 A 341 323 8.88      
37 A 310 294 133.62      
38 A 283 268 105.51      
39 A 252 239 1.01      
40 A 180 171 3.77      
41 A 118 112 7.04      
42 A 94 89 6.89      

Unscaled Zero Point Vibrational Energy (zpe) 31498.8 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 29870.3 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 mPW1PW91/6-31G*
ABC
0.25345 0.05924 0.05117

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.153 1.319 -0.268
H2 1.992 1.697 0.023
O3 -2.662 -0.350 -0.167
H4 -3.411 0.237 -0.016
C5 2.198 -0.862 -0.046
H6 2.248 -0.984 -1.132
H7 3.147 -0.430 0.293
H8 2.103 -1.851 0.413
C9 1.027 0.035 0.330
H10 0.997 0.140 1.428
C11 -0.303 -0.536 -0.135
H12 -0.443 -1.529 0.306
H13 -0.281 -0.663 -1.223
C14 -1.489 0.333 0.237
H15 -1.489 0.511 1.325
H16 -1.397 1.308 -0.256

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
O10.96534.16534.69732.42892.69212.71153.37901.42202.07112.36213.31532.62662.86503.18912.5502
H20.96535.08795.59712.56802.92992.43533.57091.94612.32073.20614.05213.50603.74513.90123.4232
O34.16535.08790.96424.88845.04315.82785.02943.74164.02102.36642.55632.62281.41602.08422.0874
H44.69735.59710.96425.71625.89546.59965.91244.45594.63953.20533.46883.47311.94112.35992.2934
C52.42892.56804.88845.71621.09401.09621.09431.52252.14912.52382.74722.75243.88634.16684.2050
H62.69212.92995.04315.89541.09401.77331.77732.15953.06232.77453.09912.55094.19154.71524.3935
H72.71152.43535.82786.59961.09621.77331.76722.17142.49783.47823.75523.75624.69914.84254.8966
H83.37903.57095.02945.91241.09431.77731.76722.17342.49402.79632.56933.12674.20784.39544.7627
C91.42201.94613.74164.45591.52252.15952.17142.17341.10351.51992.14682.14712.53502.74722.8000
H102.07112.32074.02104.63952.14913.06232.49782.49401.10352.14222.47383.05072.76292.51553.1515
C112.36213.20612.36643.20532.52382.77453.47822.79631.51992.14221.09561.09571.51682.15342.1480
H123.31534.05212.55633.46882.74723.09913.75522.56932.14682.47381.09561.76492.13662.50943.0458
H132.62663.50602.62283.47312.75242.55093.75623.12672.14713.05071.09571.76492.14073.05482.4626
C142.86503.74511.41601.94113.88634.19154.69914.20782.53502.76291.51682.13662.14071.10251.0971
H153.18913.90122.08422.35994.16684.71524.84254.39542.74722.51552.15342.50943.05481.10251.7733
H162.55023.42322.08742.29344.20504.39354.89664.76272.80003.15152.14803.04582.46261.09711.7733

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 111.115 O1 C9 H10 109.541
O1 C9 C11 106.773 H2 O1 C9 107.674
O3 C14 C11 107.534 O3 C14 H15 111.087
O3 C14 H16 111.695 H4 O3 C14 107.763
C5 C9 H10 108.800 C5 C9 C11 112.106
H6 C5 H7 108.128 H6 C5 H8 108.617
H6 C5 C9 110.171 H7 C5 H8 107.569
H7 C5 C9 110.986 H8 C5 C9 111.261
C9 C11 H12 109.257 C9 C11 H13 109.274
C9 C11 C14 113.185 H10 C9 C11 108.443
C11 C14 H15 109.585 C11 C14 H16 109.475
H12 C11 H13 107.299 H12 C11 C14 108.671
H13 C11 C14 108.986 H15 C14 H16 107.455
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.639      
2 H 0.405      
3 O -0.641      
4 H 0.407      
5 C -0.534      
6 H 0.184      
7 H 0.159      
8 H 0.173      
9 C 0.089      
10 H 0.140      
11 C -0.329      
12 H 0.175      
13 H 0.183      
14 C -0.079      
15 H 0.135      
16 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.162 0.884 1.394 2.019
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.985 -2.792 -0.188
y -2.792 -38.018 0.942
z -0.188 0.942 -38.276
Traceless
 xyz
x 7.162 -2.792 -0.188
y -2.792 -3.388 0.942
z -0.188 0.942 -3.775
Polar
3z2-r2-7.550
x2-y27.033
xy-2.792
xz-0.188
yz0.942


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> 222.187
(<r2>)1/2 14.906