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

using model chemistry: BLYP/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 BLYP/6-31G
 hartrees
Energy at 0K-308.647093
Energy at 298.15K-308.658510
Nuclear repulsion energy240.356334
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 BLYP/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 3468 3442 0.00      
2 Ag 2961 2939 0.00      
3 Ag 2902 2880 0.00      
4 Ag 1525 1513 0.00      
5 Ag 1504 1493 0.00      
6 Ag 1416 1405 0.00      
7 Ag 1361 1350 0.00      
8 Ag 1235 1226 0.00      
9 Ag 1039 1031 0.00      
10 Ag 1013 1005 0.00      
11 Ag 937 929 0.00      
12 Ag 355 353 0.00      
13 Ag 318 316 0.00      
14 Au 3023 3000 108.15      
15 Au 2932 2909 114.87      
16 Au 1307 1297 3.29      
17 Au 1173 1164 0.92      
18 Au 947 940 1.34      
19 Au 769 763 1.17      
20 Au 275 273 287.90      
21 Au 98 97 23.85      
22 Au 73 72 3.49      
23 Bg 2995 2972 0.00      
24 Bg 2933 2911 0.00      
25 Bg 1306 1296 0.00      
26 Bg 1260 1251 0.00      
27 Bg 1144 1135 0.00      
28 Bg 823 817 0.00      
29 Bg 271 269 0.00      
30 Bg 143 142 0.00      
31 Bu 3468 3441 6.25      
32 Bu 2971 2948 72.46      
33 Bu 2902 2880 107.26      
34 Bu 1533 1521 2.68      
35 Bu 1511 1499 5.88      
36 Bu 1421 1410 17.58      
37 Bu 1303 1293 29.25      
38 Bu 1193 1184 62.29      
39 Bu 987 979 118.35      
40 Bu 926 919 62.77      
41 Bu 499 495 49.14      
42 Bu 134 133 7.75      

Unscaled Zero Point Vibrational Energy (zpe) 30175.2 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 29945.8 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 BLYP/6-31G
ABC
0.54997 0.03703 0.03564

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.270 2.834 0.000
O2 -1.270 -2.834 0.000
C3 1.418 1.364 0.000
C4 -1.418 -1.364 0.000
C5 0.000 0.775 0.000
C6 0.000 -0.775 0.000
H7 2.170 3.248 0.000
H8 -2.170 -3.248 0.000
H9 -0.535 1.160 0.888
H10 -0.535 1.160 -0.888
H11 0.535 -1.160 0.888
H12 0.535 -1.160 -0.888
H13 -1.975 -1.022 -0.897
H14 -1.975 -1.022 0.897
H15 1.975 1.022 -0.897
H16 1.975 1.022 0.897

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.21031.47704.98422.41863.82580.99106.98702.61662.61664.15674.15675.11895.11892.14072.1407
O26.21034.98421.47703.82582.41866.98700.99104.15674.15672.61662.61662.14072.14075.11895.1189
C31.47704.98423.93451.53502.56632.02865.84312.15482.15482.81752.81754.24384.24381.10981.1098
C44.98421.47703.93452.56631.53505.84312.02862.81752.81752.15482.15481.10981.10984.24384.2438
C52.41863.82581.53502.56631.55043.28994.57111.10571.10572.19552.19552.81722.81722.18332.1833
C63.82582.41862.56631.53501.55044.57113.28992.19552.19551.10571.10572.18332.18332.81722.8172
H70.99106.98702.02865.84313.28994.57117.81243.53063.53064.78464.78466.01866.01862.40732.4073
H86.98700.99105.84312.02864.57113.28997.81244.78464.78463.53063.53062.40732.40736.01866.0186
H92.61664.15672.15482.81751.10572.19553.53064.78461.77512.55563.11153.16542.61483.08312.5145
H102.61664.15672.15482.81751.10572.19553.53064.78461.77513.11152.55562.61483.16542.51453.0831
H114.15672.61662.81752.15482.19551.10574.78463.53062.55563.11151.77513.08312.51453.16542.6148
H124.15672.61662.81752.15482.19551.10574.78463.53063.11152.55561.77512.51453.08312.61483.1654
H135.11892.14074.24381.10982.81722.18336.01862.40733.16542.61483.08312.51451.79304.44844.7962
H145.11892.14074.24381.10982.81722.18336.01862.40732.61483.16542.51453.08311.79304.79624.4484
H152.14075.11891.10984.24382.18332.81722.40736.01863.08312.51453.16542.61484.44844.79621.7930
H162.14075.11891.10984.24382.18332.81722.40736.01862.51453.08312.61483.16544.79624.44841.7930

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 106.815 O1 C3 H15 110.897
O1 C3 H16 110.897 O2 C4 C6 106.815
O2 C4 H13 110.897 O2 C4 H14 110.897
C3 O1 H7 108.967 C3 C5 C6 112.558
C3 C5 H9 108.274 C3 C5 H10 108.274
C4 O2 H8 108.967 C4 C6 C5 112.558
C4 C6 H11 108.274 C4 C6 H12 108.274
C5 C3 H15 110.244 C5 C3 H16 110.244
C5 C6 H11 110.378 C5 C6 H12 110.378
C6 C4 H13 110.244 C6 C4 H14 110.244
C6 C5 H9 110.378 C6 C5 H10 110.378
H9 C5 H10 106.777 H11 C6 H12 106.777
H13 C4 H14 107.767 H15 C3 H16 107.767
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.569      
2 O -0.569      
3 C -0.025      
4 C -0.025      
5 C -0.205      
6 C -0.205      
7 H 0.336      
8 H 0.336      
9 H 0.125      
10 H 0.125      
11 H 0.125      
12 H 0.125      
13 H 0.107      
14 H 0.107      
15 H 0.107      
16 H 0.107      


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 -27.050 8.917 0.000
y 8.917 -44.436 0.000
z 0.000 0.000 -38.523
Traceless
 xyz
x 14.429 8.917 0.000
y 8.917 -11.649 0.000
z 0.000 0.000 -2.781
Polar
3z2-r2-5.561
x2-y217.386
xy8.917
xz0.000
yz0.000


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> 294.030
(<r2>)1/2 17.147