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All results from a given calculation for C4H10O2 (1,4-Butanediol)

using model chemistry: B3LYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/6-31G**
 hartrees
Energy at 0K-308.886355
Energy at 298.15K-308.897943
Nuclear repulsion energy244.282854
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 B3LYP/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 Ag 3825 3675 0.00      
2 Ag 3035 2916 0.00      
3 Ag 2970 2853 0.00      
4 Ag 1543 1482 0.00      
5 Ag 1509 1450 0.00      
6 Ag 1470 1412 0.00      
7 Ag 1393 1338 0.00      
8 Ag 1269 1219 0.00      
9 Ag 1091 1048 0.00      
10 Ag 1061 1020 0.00      
11 Ag 1032 992 0.00      
12 Ag 360 346 0.00      
13 Ag 337 324 0.00      
14 Au 3093 2972 86.01      
15 Au 2996 2879 114.95      
16 Au 1329 1276 2.03      
17 Au 1224 1177 3.29      
18 Au 954 917 2.65      
19 Au 764 734 0.48      
20 Au 275 264 240.30      
21 Au 98 94 18.06      
22 Au 80 77 1.76      
23 Bg 3069 2949 0.00      
24 Bg 2998 2880 0.00      
25 Bg 1323 1271 0.00      
26 Bg 1291 1240 0.00      
27 Bg 1186 1140 0.00      
28 Bg 822 790 0.00      
29 Bg 271 261 0.00      
30 Bg 155 149 0.00      
31 Bu 3825 3675 25.98      
32 Bu 3043 2924 66.11      
33 Bu 2969 2853 113.77      
34 Bu 1547 1486 7.01      
35 Bu 1518 1459 2.79      
36 Bu 1470 1412 20.14      
37 Bu 1316 1264 74.60      
38 Bu 1212 1165 54.40      
39 Bu 1080 1038 205.85      
40 Bu 993 954 2.48      
41 Bu 522 501 38.72      
42 Bu 138 132 5.89      

Unscaled Zero Point Vibrational Energy (zpe) 31226.2 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 30002.2 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 B3LYP/6-31G**
ABC
0.57270 0.03806 0.03667

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.283 2.774 0.000
O2 -1.283 -2.774 0.000
C3 1.404 1.356 0.000
C4 -1.404 -1.356 0.000
C5 0.000 0.766 0.000
C6 0.000 -0.766 0.000
H7 2.173 3.149 0.000
H8 -2.173 -3.149 0.000
H9 -0.533 1.148 0.880
H10 -0.533 1.148 -0.880
H11 0.533 -1.148 0.880
H12 0.533 -1.148 -0.880
H13 -1.955 -1.001 -0.887
H14 -1.955 -1.001 0.887
H15 1.955 1.001 -0.887
H16 1.955 1.001 0.887

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.11321.42374.92702.38333.76550.96536.85782.59172.59174.08924.08925.05245.05242.09312.0931
O26.11324.92701.42373.76552.38336.85780.96534.08924.08922.59172.59172.09312.09315.05245.0524
C31.42374.92703.90301.52262.54391.95155.75192.13752.13752.79302.79304.19804.19801.10261.1026
C44.92701.42373.90302.54391.52265.75191.95152.79302.79302.13752.13751.10261.10264.19804.1980
C52.38333.76551.52262.54391.53183.22504.47761.09731.09732.17302.17302.78062.78062.15962.1596
C63.76552.38332.54391.52261.53184.47763.22502.17302.17301.09731.09732.15962.15962.78062.7806
H70.96536.85781.95155.75193.22504.47767.65203.47843.47844.68294.68295.92045.92042.33402.3340
H86.85780.96535.75191.95154.47763.22507.65204.68294.68293.47843.47842.33402.33405.92045.9204
H92.59174.08922.13752.79301.09732.17303.47844.68291.75902.53213.08313.12442.57723.05502.4927
H102.59174.08922.13752.79301.09732.17303.47844.68291.75903.08312.53212.57723.12442.49273.0550
H114.08922.59172.79302.13752.17301.09734.68293.47842.53213.08311.75903.05502.49273.12442.5772
H124.08922.59172.79302.13752.17301.09734.68293.47843.08312.53211.75902.49273.05502.57723.1244
H135.05242.09314.19801.10262.78062.15965.92042.33403.12442.57723.05502.49271.77364.39314.7376
H145.05242.09314.19801.10262.78062.15965.92042.33402.57723.12442.49273.05501.77364.73764.3931
H152.09315.05241.10264.19802.15962.78062.33405.92043.05502.49273.12442.57724.39314.73761.7736
H162.09315.05241.10264.19802.15962.78062.33405.92042.49273.05502.57723.12444.73764.39311.7736

picture of 1,4-Butanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C5 107.925 O1 C3 H15 111.255
O1 C3 H16 111.255 O2 C4 C6 107.925
O2 C4 H13 111.255 O2 C4 H14 111.255
C3 O1 H7 107.999 C3 C5 C6 112.787
C3 C5 H9 108.245 C3 C5 H10 108.245
C4 O2 H8 107.999 C4 C6 C5 112.787
C4 C6 H11 108.245 C4 C6 H12 108.245
C5 C3 H15 109.663 C5 C3 H16 109.663
C5 C6 H11 110.392 C5 C6 H12 110.392
C6 C4 H13 109.663 C6 C4 H14 109.663
C6 C5 H9 110.392 C6 C5 H10 110.392
H9 C5 H10 106.548 H11 C6 H12 106.548
H13 C4 H14 107.077 H15 C3 H16 107.077
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.544      
2 O -0.544      
3 C 0.061      
4 C 0.061      
5 C -0.189      
6 C -0.189      
7 H 0.305      
8 H 0.305      
9 H 0.105      
10 H 0.105      
11 H 0.105      
12 H 0.105      
13 H 0.078      
14 H 0.078      
15 H 0.078      
16 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.672 7.995 0.000
y 7.995 -42.567 0.000
z 0.000 0.000 -38.115
Traceless
 xyz
x 12.669 7.995 0.000
y 7.995 -9.674 0.000
z 0.000 0.000 -2.995
Polar
3z2-r2-5.990
x2-y214.895
xy7.995
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.882 1.158 0.000
y 1.158 8.619 0.000
z 0.000 0.000 6.468


<r2> (average value of r2) Å2
<r2> 286.009
(<r2>)1/2 16.912