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

using model chemistry: B3LYP/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-60.572342
Energy at 298.15K-60.583828
Nuclear repulsion energy140.401737
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/CEP-121G*
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 3782 3666 0.00      
2 Ag 3013 2921 0.00      
3 Ag 2962 2872 0.00      
4 Ag 1532 1485 0.00      
5 Ag 1502 1456 0.00      
6 Ag 1457 1413 0.00      
7 Ag 1382 1340 0.00      
8 Ag 1260 1222 0.00      
9 Ag 1058 1026 0.00      
10 Ag 1044 1013 0.00      
11 Ag 1021 990 0.00      
12 Ag 353 342 0.00      
13 Ag 329 319 0.00      
14 Au 3072 2978 129.78      
15 Au 2992 2901 110.54      
16 Au 1320 1280 2.46      
17 Au 1210 1173 2.89      
18 Au 942 913 2.92      
19 Au 752 729 0.40      
20 Au 275 266 258.21      
21 Au 91 88 18.19      
22 Au 76 74 3.82      
23 Bg 3046 2953 0.00      
24 Bg 2995 2903 0.00      
25 Bg 1318 1278 0.00      
26 Bg 1280 1240 0.00      
27 Bg 1168 1133 0.00      
28 Bg 812 787 0.00      
29 Bg 270 262 0.00      
30 Bg 146 142 0.00      
31 Bu 3782 3666 18.71      
32 Bu 3020 2928 94.34      
33 Bu 2962 2871 134.98      
34 Bu 1537 1490 6.56      
35 Bu 1511 1464 3.55      
36 Bu 1455 1411 16.20      
37 Bu 1307 1267 76.13      
38 Bu 1202 1166 69.42      
39 Bu 1055 1023 213.06      
40 Bu 973 943 0.68      
41 Bu 509 493 41.44      
42 Bu 134 130 6.91      

Unscaled Zero Point Vibrational Energy (zpe) 30952.9 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 30005.8 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 B3LYP/CEP-121G*
ABC
0.56569 0.03748 0.03611

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.303 2.794 0.000
O2 -1.303 -2.794 0.000
C3 1.417 1.357 0.000
C4 -1.417 -1.357 0.000
C5 0.000 0.772 0.000
C6 0.000 -0.772 0.000
H7 2.200 3.162 0.000
H8 -2.200 -3.162 0.000
H9 -0.532 1.155 0.883
H10 -0.532 1.155 -0.883
H11 0.532 -1.155 0.883
H12 0.532 -1.155 -0.883
H13 -1.967 -1.010 -0.892
H14 -1.967 -1.010 0.892
H15 1.967 1.010 -0.892
H16 1.967 1.010 0.892

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.16551.44144.96252.40553.79620.96996.91002.61352.61354.11944.11945.09465.09462.10242.1024
O26.16554.96251.44143.79622.40556.91000.96994.11944.11942.61352.61352.10242.10245.09465.0946
C31.44144.96253.92371.53302.55711.96815.78852.14862.14862.80612.80614.22464.22461.10401.1040
C44.96251.44143.92372.55711.53305.78851.96812.80612.80612.14862.14861.10401.10404.22464.2246
C52.40553.79621.53302.55711.54363.24894.50761.09961.09962.18522.18522.79972.79972.17292.1729
C63.79622.40552.55711.53301.54364.50763.24892.18522.18521.09961.09962.17292.17292.79972.7997
H70.96996.91001.96815.78853.24894.50767.70493.50293.50294.71224.71225.96385.96382.34192.3419
H86.91000.96995.78851.96814.50763.24897.70494.71224.71223.50293.50292.34192.34195.96385.9638
H92.61354.11942.14862.80611.09962.18523.50294.71221.76592.54323.09613.14602.59753.06832.5029
H102.61354.11942.14862.80611.09962.18523.50294.71221.76593.09612.54322.59753.14602.50293.0683
H114.11942.61352.80612.14862.18521.09964.71223.50292.54323.09611.76593.06832.50293.14602.5975
H124.11942.61352.80612.14862.18521.09964.71223.50293.09612.54321.76592.50293.06832.59753.1460
H135.09462.10244.22461.10402.79972.17295.96382.34193.14602.59753.06832.50291.78394.42214.7683
H145.09462.10244.22461.10402.79972.17295.96382.34192.59753.14602.50293.06831.78394.76834.4221
H152.10245.09461.10404.22462.17292.79972.34195.96383.06832.50293.14602.59754.42214.76831.7839
H162.10245.09461.10404.22462.17292.79972.34195.96382.50293.06832.59753.14604.76834.42211.7839

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 107.905 O1 C3 H15 110.670
O1 C3 H16 110.670 O2 C4 C6 107.905
O2 C4 H13 110.670 O2 C4 H14 110.670
C3 O1 H7 107.802 C3 C5 C6 112.439
C3 C5 H9 108.283 C3 C5 H10 108.283
C4 O2 H8 107.802 C4 C6 C5 112.439
C4 C6 H11 108.283 C4 C6 H12 108.283
C5 C3 H15 109.909 C5 C3 H16 109.909
C5 C6 H11 110.405 C5 C6 H12 110.405
C6 C4 H13 109.909 C6 C4 H14 109.909
C6 C5 H9 110.405 C6 C5 H10 110.405
H9 C5 H10 106.831 H11 C6 H12 106.831
H13 C4 H14 107.782 H15 C3 H16 107.782
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.549      
2 O -0.549      
3 C -0.138      
4 C -0.138      
5 C -0.276      
6 C -0.276      
7 H 0.400      
8 H 0.400      
9 H 0.154      
10 H 0.154      
11 H 0.154      
12 H 0.154      
13 H 0.128      
14 H 0.128      
15 H 0.128      
16 H 0.128      


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 -27.524 8.375 0.000
y 8.375 -44.683 0.000
z 0.000 0.000 -38.636
Traceless
 xyz
x 14.135 8.375 0.000
y 8.375 -11.603 0.000
z 0.000 0.000 -2.532
Polar
3z2-r2-5.065
x2-y217.159
xy8.375
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.714 1.115 0.000
y 1.115 9.422 0.000
z 0.000 0.000 7.187


<r2> (average value of r2) Å2
<r2> 234.678
(<r2>)1/2 15.319