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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-308.886566
Energy at 298.15K-308.898208
Nuclear repulsion energy245.666221
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 mPW1PW91/6-311G**
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 3907 3738 0.00      
2 Ag 3047 2915 0.00      
3 Ag 2988 2859 0.00      
4 Ag 1531 1465 0.00      
5 Ag 1497 1432 0.00      
6 Ag 1473 1409 0.00      
7 Ag 1392 1332 0.00      
8 Ag 1279 1224 0.00      
9 Ag 1108 1060 0.00      
10 Ag 1077 1031 0.00      
11 Ag 1054 1008 0.00      
12 Ag 361 345 0.00      
13 Ag 341 326 0.00      
14 Au 3107 2972 83.92      
15 Au 3019 2888 96.45      
16 Au 1332 1274 1.44      
17 Au 1225 1172 3.37      
18 Au 949 908 2.86      
19 Au 766 733 0.90      
20 Au 275 263 241.74      
21 Au 95 91 18.66      
22 Au 81 78 1.51      
23 Bg 3083 2949 0.00      
24 Bg 3020 2889 0.00      
25 Bg 1319 1262 0.00      
26 Bg 1297 1240 0.00      
27 Bg 1183 1132 0.00      
28 Bg 824 788 0.00      
29 Bg 271 259 0.00      
30 Bg 157 150 0.00      
31 Bu 3907 3738 60.89      
32 Bu 3055 2923 68.66      
33 Bu 2988 2859 113.21      
34 Bu 1535 1468 6.95      
35 Bu 1506 1441 3.19      
36 Bu 1472 1408 9.14      
37 Bu 1315 1258 97.47      
38 Bu 1217 1164 35.05      
39 Bu 1102 1054 209.08      
40 Bu 1012 969 2.06      
41 Bu 526 503 39.47      
42 Bu 137 131 6.25      

Unscaled Zero Point Vibrational Energy (zpe) 31415.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 30054.7 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 mPW1PW91/6-311G**
ABC
0.57881 0.03851 0.03711

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.503 2.641 0.000
O2 -1.503 -2.641 0.000
C3 1.503 1.226 0.000
C4 -1.503 -1.226 0.000
C5 0.064 0.758 0.000
C6 -0.064 -0.758 0.000
H7 2.413 2.938 0.000
H8 -2.413 -2.938 0.000
H9 -0.433 1.184 0.878
H10 -0.433 1.184 -0.878
H11 0.433 -1.184 0.878
H12 0.433 -1.184 -0.878
H13 -2.019 -0.829 -0.887
H14 -2.019 -0.829 0.887
H15 2.019 0.829 -0.887
H16 2.019 0.829 0.887

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.07701.41504.89762.36953.74290.95726.81572.57762.57764.06694.06695.02285.02282.08172.0817
O26.07704.89761.41503.74292.36956.81570.95724.06694.06692.57762.57762.08172.08175.02285.0228
C31.41504.89763.87901.51322.52831.93885.71582.12672.12672.77842.77844.17274.17271.09971.0997
C44.89761.41503.87902.52831.51325.71581.93882.77842.77842.12672.12671.09971.09974.17274.1727
C52.36953.74291.51322.52831.52223.20444.44931.09491.09492.16302.16302.76472.76472.14762.1476
C63.74292.36952.52831.51321.52224.44933.20442.16302.16301.09491.09492.14762.14762.76472.7647
H70.95726.81571.93885.71583.20444.44937.60343.45693.45694.65554.65555.88355.88352.32112.3211
H86.81570.95725.71581.93884.44933.20447.60344.65554.65553.45693.45692.32112.32115.88355.8835
H92.57764.06692.12672.77841.09492.16303.45694.65551.75592.52073.07203.11102.56203.04172.4774
H102.57764.06692.12672.77841.09492.16303.45694.65551.75593.07202.52072.56203.11102.47743.0417
H114.06692.57762.77842.12672.16301.09494.65553.45692.52073.07201.75593.04172.47743.11102.5620
H124.06692.57762.77842.12672.16301.09494.65553.45693.07202.52071.75592.47743.04172.56203.1110
H135.02282.08174.17271.09972.76472.14765.88352.32113.11102.56203.04172.47741.77364.36454.7111
H145.02282.08174.17271.09972.76472.14765.88352.32112.56203.11102.47743.04171.77364.71114.3645
H152.08175.02281.09974.17272.14762.76472.32115.88353.04172.47743.11102.56204.36454.71111.7736
H162.08175.02281.09974.17272.14762.76472.32115.88352.47743.04172.56203.11104.71114.36451.7736

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 107.983 O1 C3 H15 111.133
O1 C3 H16 111.133 O2 C4 C6 107.983
O2 C4 H13 111.133 O2 C4 H14 111.133
C3 O1 H7 108.069 C3 C5 C6 112.797
C3 C5 H9 108.184 C3 C5 H10 108.184
C4 O2 H8 108.069 C4 C6 C5 112.797
C4 C6 H11 108.184 C4 C6 H12 108.184
C5 C3 H15 109.542 C5 C3 H16 109.542
C5 C6 H11 110.412 C5 C6 H12 110.412
C6 C4 H13 109.542 C6 C4 H14 109.542
C6 C5 H9 110.412 C6 C5 H10 110.412
H9 C5 H10 106.622 H11 C6 H12 106.622
H13 C4 H14 107.498 H15 C3 H16 107.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.409      
2 O -0.409      
3 C -0.005      
4 C -0.005      
5 C -0.287      
6 C -0.287      
7 H 0.241      
8 H 0.241      
9 H 0.130      
10 H 0.130      
11 H 0.130      
12 H 0.130      
13 H 0.100      
14 H 0.100      
15 H 0.100      
16 H 0.100      


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 -26.477 6.726 0.000
y 6.726 -44.290 0.000
z 0.000 0.000 -38.092
Traceless
 xyz
x 14.714 6.726 0.000
y 6.726 -12.005 0.000
z 0.000 0.000 -2.709
Polar
3z2-r2-5.418
x2-y217.813
xy6.726
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.536 1.130 0.000
y 1.130 8.773 0.000
z 0.000 0.000 6.795


<r2> (average value of r2) Å2
<r2> 283.014
(<r2>)1/2 16.823