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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-308.814247
Energy at 298.15K-308.825982
Nuclear repulsion energy256.570753
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 3904 3715 20.70      
2 A 3889 3700 15.78      
3 A 3163 3010 27.79      
4 A 3143 2990 31.52      
5 A 3135 2983 26.62      
6 A 3082 2932 24.42      
7 A 3074 2925 27.87      
8 A 3064 2915 19.98      
9 A 2998 2853 99.87      
10 A 2987 2842 27.03      
11 A 1548 1473 3.76      
12 A 1516 1443 4.06      
13 A 1510 1436 4.52      
14 A 1498 1425 1.93      
15 A 1477 1406 14.10      
16 A 1447 1377 16.47      
17 A 1424 1355 14.70      
18 A 1397 1329 5.57      
19 A 1335 1270 34.99      
20 A 1331 1266 3.08      
21 A 1304 1241 35.78      
22 A 1260 1199 59.80      
23 A 1228 1169 3.64      
24 A 1177 1120 39.67      
25 A 1151 1096 36.66      
26 A 1113 1059 37.21      
27 A 1090 1037 62.95      
28 A 1049 998 11.67      
29 A 997 949 7.53      
30 A 959 913 7.91      
31 A 874 832 14.89      
32 A 809 770 3.64      
33 A 506 482 19.06      
34 A 484 461 5.56      
35 A 397 378 7.66      
36 A 341 325 6.74      
37 A 304 289 129.40      
38 A 273 260 104.53      
39 A 252 239 1.12      
40 A 180 171 3.69      
41 A 119 113 7.35      
42 A 95 90 6.55      

Unscaled Zero Point Vibrational Energy (zpe) 31442.0 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 29917.0 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 mPW1PW91/6-31G**
ABC
0.25360 0.05927 0.05122

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 1.150 1.319 -0.270
H2 1.980 1.703 0.026
O3 -2.661 -0.347 -0.171
H4 -3.407 0.238 -0.023
C5 2.199 -0.860 -0.046
H6 2.248 -0.983 -1.131
H7 3.147 -0.428 0.290
H8 2.106 -1.848 0.412
C9 1.027 0.036 0.329
H10 0.998 0.140 1.427
C11 -0.302 -0.538 -0.133
H12 -0.439 -1.532 0.305
H13 -0.283 -0.662 -1.221
C14 -1.489 0.328 0.243
H15 -1.490 0.498 1.332
H16 -1.390 1.308 -0.240

Atom - Atom Distances (Å)
  O1 H2 O3 H4 C5 H6 H7 H8 C9 H10 C11 H12 H13 C14 H15 H16
O10.96144.16084.69072.42842.69102.71123.37731.42132.07192.36143.31412.62342.86503.19532.5403
H20.96145.07805.58372.57372.93682.44383.57441.94462.31783.20294.04963.50313.73783.89863.4035
O34.16085.07800.96044.88885.04195.82705.03143.74164.02252.36682.56222.61861.41522.08482.0886
H44.69075.58370.96045.71345.89086.59585.91094.45324.63893.20283.47133.46581.93922.36232.2943
C52.42842.57374.88885.71341.09301.09491.09321.52222.14802.52362.74552.75303.88554.16574.1976
H62.69102.93685.04195.89081.09301.77161.77542.15853.06062.77423.09622.55214.19144.71474.3899
H72.71122.44385.82706.59581.09491.77161.76542.17042.49663.47703.75273.75544.69734.84174.8864
H83.37733.57445.03145.91091.09321.77541.76542.17222.49172.79512.56713.12714.20554.39074.7546
C91.42131.94463.74164.45321.52222.15852.17042.17221.10341.51982.14662.14592.53432.74852.7901
H102.07192.31784.02254.63892.14803.06062.49662.49171.10342.14112.47363.04892.76072.51523.1379
C112.36143.20292.36683.20282.52362.77423.47702.79511.51982.14111.09481.09511.51652.15172.1453
H123.31414.04962.56223.47132.74553.09623.75272.56712.14662.47361.09481.76362.13662.50543.0440
H132.62343.50312.61863.46582.75302.55213.75543.12712.14593.04891.09511.76362.13983.05292.4636
C142.86503.73781.41521.93923.88554.19144.69734.20552.53432.76071.51652.13662.13981.10221.0969
H153.19533.89862.08482.36234.16574.71474.84174.39072.74852.51522.15172.50543.05291.10221.7716
H162.54033.40352.08862.29434.19764.38994.88644.75462.79013.13792.14533.04402.46361.09691.7716

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 111.129 O1 C9 H10 109.653
O1 C9 C11 106.763 H2 O1 C9 107.834
O3 C14 C11 107.617 O3 C14 H15 111.214
O3 C14 H16 111.868 H4 O3 C14 107.896
C5 C9 H10 108.744 C5 C9 C11 112.118
H6 C5 H7 108.134 H6 C5 H8 108.604
H6 C5 C9 110.170 H7 C5 H8 107.568
H7 C5 C9 111.001 H8 C5 C9 111.253
C9 C11 H12 109.295 C9 C11 H13 109.225
C9 C11 C14 113.160 H10 C9 C11 108.372
C11 C14 H15 109.487 C11 C14 H16 109.297
H12 C11 H13 107.284 H12 C11 C14 108.738
H13 C11 C14 108.970 H15 C14 H16 107.337
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 -0.554      
2 H 0.317      
3 O -0.563      
4 H 0.319      
5 C -0.403      
6 H 0.145      
7 H 0.118      
8 H 0.133      
9 C 0.112      
10 H 0.104      
11 C -0.245      
12 H 0.136      
13 H 0.144      
14 C 0.008      
15 H 0.096      
16 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.143 0.874 1.381 1.994
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.043 -2.732 -0.181
y -2.732 -37.883 0.951
z -0.181 0.951 -38.242
Traceless
 xyz
x 7.019 -2.732 -0.181
y -2.732 -3.241 0.951
z -0.181 0.951 -3.779
Polar
3z2-r2-7.557
x2-y26.840
xy-2.732
xz-0.181
yz0.951


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> 222.006
(<r2>)1/2 14.900