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

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at G3B3
 hartrees
Energy at 0K-308.634385
Energy at 298.15K-308.625312
HF Energy-308.864294
Nuclear repulsion energy244.148528
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 3750 3601 0.00      
2 Ag 3038 2917 0.00      
3 Ag 2976 2858 0.00      
4 Ag 1557 1496 0.00      
5 Ag 1524 1464 0.00      
6 Ag 1481 1422 0.00      
7 Ag 1403 1347 0.00      
8 Ag 1280 1230 0.00      
9 Ag 1093 1049 0.00      
10 Ag 1065 1022 0.00      
11 Ag 1036 995 0.00      
12 Ag 360 346 0.00      
13 Ag 338 325 0.00      
14 Au 3094 2971 91.98      
15 Au 3000 2881 118.50      
16 Au 1337 1284 2.17      
17 Au 1230 1181 3.36      
18 Au 960 922 2.79      
19 Au 767 736 0.38      
20 Au 290 278 248.61      
21 Au 100 96 16.40      
22 Au 79 76 2.82      
23 Bg 3070 2948 0.00      
24 Bg 3001 2882 0.00      
25 Bg 1333 1280 0.00      
26 Bg 1298 1247 0.00      
27 Bg 1192 1144 0.00      
28 Bg 826 793 0.00      
29 Bg 286 275 0.00      
30 Bg 155 149 0.00      
31 Bu 3750 3601 21.37      
32 Bu 3046 2925 68.67      
33 Bu 2976 2858 114.51      
34 Bu 1562 1500 6.81      
35 Bu 1533 1472 3.18      
36 Bu 1480 1422 20.66      
37 Bu 1328 1275 77.58      
38 Bu 1222 1174 57.60      
39 Bu 1083 1040 199.31      
40 Bu 995 956 2.17      
41 Bu 522 501 39.03      
42 Bu 138 133 6.08      

Unscaled Zero Point Vibrational Energy (zpe) 31276.7 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 30035.0 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 B3LYP/6-31G*
ABC
0.57218 0.03803 0.03664

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 1.286 2.774 0.000
O2 -1.286 -2.774 0.000
C3 1.405 1.355 0.000
C4 -1.405 -1.355 0.000
C5 0.000 0.766 0.000
C6 0.000 -0.766 0.000
H7 2.181 3.148 0.000
H8 -2.181 -3.148 0.000
H9 -0.533 1.149 0.880
H10 -0.533 1.149 -0.880
H11 0.533 -1.149 0.880
H12 0.533 -1.149 -0.880
H13 -1.957 -1.002 -0.888
H14 -1.957 -1.002 0.888
H15 1.957 1.002 -0.888
H16 1.957 1.002 0.888

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.11521.42384.92862.38443.76650.96926.86172.59352.59354.09024.09025.05575.05572.09232.0923
O26.11524.92861.42383.76652.38446.86170.96924.09024.09022.59352.59352.09232.09235.05575.0557
C31.42384.92863.90411.52352.54441.95315.75592.13892.13892.79372.79374.20054.20051.10321.1032
C44.92861.42383.90412.54441.52355.75591.95312.79372.79372.13892.13891.10321.10324.20054.2005
C52.38443.76651.52352.54441.53243.22894.48021.09821.09822.17422.17422.78252.78252.16152.1615
C63.76652.38442.54441.52351.53244.48023.22892.17422.17421.09821.09822.16152.16152.78252.7825
H70.96926.86171.95315.75593.22894.48027.65823.48353.48354.68494.68495.92635.92632.33292.3329
H86.86170.96925.75591.95314.48023.22897.65824.68494.68493.48353.48352.33292.33295.92635.9263
H92.59354.09022.13892.79371.09822.17423.48354.68491.76082.53323.08513.12692.57903.05742.4943
H102.59354.09022.13892.79371.09822.17423.48354.68491.76083.08512.53322.57903.12692.49433.0574
H114.09022.59352.79372.13892.17421.09824.68493.48352.53323.08511.76083.05742.49433.12692.5790
H124.09022.59352.79372.13892.17421.09824.68493.48353.08512.53321.76082.49433.05742.57903.1269
H135.05572.09234.20051.10322.78252.16155.92632.33293.12692.57903.05742.49431.77544.39644.7413
H145.05572.09234.20051.10322.78252.16155.92632.33292.57903.12692.49433.05741.77544.74134.3964
H152.09235.05571.10324.20052.16152.78252.33295.92633.05742.49433.12692.57904.39644.74131.7754
H162.09235.05571.10324.20052.16152.78252.33295.92632.49433.05742.57903.12694.74134.39641.7754

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 108.059 O1 C3 H15 111.459
O1 C3 H16 111.459 O2 C4 C6 108.059
O2 C4 H13 111.459 O2 C4 H14 111.459
C3 O1 H7 108.573 C3 C5 C6 112.765
C3 C5 H9 108.211 C3 C5 H10 108.211
C4 O2 H8 108.573 C4 C6 C5 112.765
C4 C6 H11 108.211 C4 C6 H12 108.211
C5 C3 H15 109.381 C5 C3 H16 109.381
C5 C6 H11 110.381 C5 C6 H12 110.381
C6 C4 H13 109.381 C6 C4 H14 109.381
C6 C5 H9 110.381 C6 C5 H10 110.381
H9 C5 H10 106.670 H11 C6 H12 106.670
H13 C4 H14 107.077 H15 C3 H16 107.077
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.620 -0.642   -0.630
2 O -0.620 -0.642   -0.634
3 C -0.026 0.312   0.248
4 C -0.026 0.312   0.277
5 C -0.269 -0.057   -0.069
6 C -0.269 -0.057   -0.099
7 H 0.391 0.396   0.399
8 H 0.391 0.396   0.398
9 H 0.145 0.036   0.050
10 H 0.145 0.036   0.050
11 H 0.145 0.036   0.055
12 H 0.145 0.036   0.055
13 H 0.117 -0.041   -0.028
14 H 0.117 -0.041   -0.028
15 H 0.117 -0.041   -0.021
16 H 0.117 -0.041   -0.021


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 0.000 0.000 0.000 0.000
AIM        
ESP -0.007 0.003 0.000 0.008


Electric Quadrupole moment
Quadrupole components in D Å


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> 286.256
(<r2>)1/2 16.919