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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-308.860555
Energy at 298.15K-308.872274
Nuclear repulsion energy245.791200
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 3862 3686 0.00      
2 Ag 3052 2912 0.00      
3 Ag 2994 2857 0.00      
4 Ag 1546 1475 0.00      
5 Ag 1508 1439 0.00      
6 Ag 1487 1419 0.00      
7 Ag 1404 1340 0.00      
8 Ag 1289 1230 0.00      
9 Ag 1111 1060 0.00      
10 Ag 1086 1037 0.00      
11 Ag 1057 1009 0.00      
12 Ag 363 347 0.00      
13 Ag 342 326 0.00      
14 Au 3111 2969 98.18      
15 Au 3022 2884 109.49      
16 Au 1345 1284 1.72      
17 Au 1235 1179 3.60      
18 Au 959 916 3.56      
19 Au 763 728 0.80      
20 Au 306 292 284.48      
21 Au 99 94 18.82      
22 Au 80 77 2.18      
23 Bg 3086 2945 0.00      
24 Bg 3023 2885 0.00      
25 Bg 1338 1277 0.00      
26 Bg 1306 1247 0.00      
27 Bg 1189 1135 0.00      
28 Bg 825 787 0.00      
29 Bg 301 288 0.00      
30 Bg 158 150 0.00      
31 Bu 3862 3686 24.18      
32 Bu 3060 2920 77.90      
33 Bu 2993 2857 126.58      
34 Bu 1549 1479 6.69      
35 Bu 1518 1449 4.20      
36 Bu 1484 1417 7.71      
37 Bu 1328 1268 113.65      
38 Bu 1226 1170 45.59      
39 Bu 1106 1056 205.87      
40 Bu 1016 970 2.23      
41 Bu 528 504 42.93      
42 Bu 137 131 7.13      

Unscaled Zero Point Vibrational Energy (zpe) 31525.3 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 30087.8 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 mPW1PW91/6-311G*
ABC
0.57892 0.03858 0.03717

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 1.274 2.755 0.000
O2 -1.274 -2.755 0.000
C3 1.394 1.346 0.000
C4 -1.394 -1.346 0.000
C5 0.000 0.761 0.000
C6 0.000 -0.761 0.000
H7 2.153 3.136 0.000
H8 -2.153 -3.136 0.000
H9 -0.531 1.145 0.877
H10 -0.531 1.145 -0.877
H11 0.531 -1.145 0.877
H12 0.531 -1.145 -0.877
H13 -1.943 -0.997 -0.886
H14 -1.943 -0.997 0.886
H15 1.943 0.997 -0.886
H16 1.943 0.997 0.886

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.07031.41384.89242.36623.73940.95866.81532.57272.57274.06584.06585.02145.02142.07942.0794
O26.07034.89241.41383.73942.36626.81530.95864.06584.06582.57272.57272.07942.07945.02145.0214
C31.41384.89243.87551.51162.52631.94425.71592.12482.12482.77842.77844.17304.17301.09981.0998
C44.89241.41383.87552.52631.51165.71591.94422.77842.77842.12482.12481.09981.09984.17304.1730
C52.36623.73941.51162.52631.52163.20604.45221.09501.09502.16422.16422.76642.76642.14902.1490
C63.73942.36622.52631.51161.52164.45223.20602.16422.16421.09501.09502.14902.14902.76642.7664
H70.95866.81531.94425.71593.20604.45227.60823.45543.45544.66134.66135.88665.88662.32462.3246
H86.81530.95865.71591.94424.45223.20607.60824.66134.66133.45543.45542.32462.32465.88665.8866
H92.57274.06582.12482.77841.09502.16423.45544.66131.75402.52463.07413.11332.56593.04222.4791
H102.57274.06582.12482.77841.09502.16423.45544.66131.75403.07412.52462.56593.11332.47913.0422
H114.06582.57272.77842.12482.16421.09504.66133.45542.52463.07411.75403.04222.47913.11332.5659
H124.06582.57272.77842.12482.16421.09504.66133.45543.07412.52461.75402.47913.04222.56593.1133
H135.02142.07944.17301.09982.76642.14905.88662.32463.11332.56593.04222.47911.77264.36874.7146
H145.02142.07944.17301.09982.76642.14905.88662.32462.56593.11332.47913.04221.77264.71464.3687
H152.07945.02141.09984.17302.14902.76642.32465.88663.04222.47913.11332.56594.36874.71461.7726
H162.07945.02141.09984.17302.14902.76642.32465.88662.47913.04222.56593.11334.71464.36871.7726

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 107.919 O1 C3 H15 111.019
O1 C3 H16 111.019 O2 C4 C6 107.919
O2 C4 H13 111.019 O2 C4 H14 111.019
C3 O1 H7 108.548 C3 C5 C6 112.791
C3 C5 H9 108.143 C3 C5 H10 108.143
C4 O2 H8 108.548 C4 C6 C5 112.791
C4 C6 H11 108.143 C4 C6 H12 108.143
C5 C3 H15 109.750 C5 C3 H16 109.750
C5 C6 H11 110.543 C5 C6 H12 110.543
C6 C4 H13 109.750 C6 C4 H14 109.750
C6 C5 H9 110.543 C6 C5 H10 110.543
H9 C5 H10 106.432 H11 C6 H12 106.432
H13 C4 H14 107.384 H15 C3 H16 107.384
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.582      
2 O -0.582      
3 C -0.171      
4 C -0.171      
5 C -0.473      
6 C -0.473      
7 H 0.393      
8 H 0.393      
9 H 0.225      
10 H 0.225      
11 H 0.225      
12 H 0.225      
13 H 0.191      
14 H 0.191      
15 H 0.191      
16 H 0.191      


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 -27.297 8.816 0.000
y 8.816 -43.144 0.000
z 0.000 0.000 -38.215
Traceless
 xyz
x 13.382 8.816 0.000
y 8.816 -10.388 0.000
z 0.000 0.000 -2.995
Polar
3z2-r2-5.989
x2-y215.847
xy8.816
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> 282.641
(<r2>)1/2 16.812