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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-60.483850
Energy at 298.15K-60.495356
Nuclear repulsion energy139.314627
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
(Å4/u)
Dep P Dep U
1 Ag 3660 3566 0.00      
2 Ag 2996 2920 0.00      
3 Ag 2952 2877 0.00      
4 Ag 1536 1497 0.00      
5 Ag 1517 1478 0.00      
6 Ag 1442 1405 0.00      
7 Ag 1383 1348 0.00      
8 Ag 1238 1206 0.00      
9 Ag 1071 1043 0.00      
10 Ag 1034 1008 0.00      
11 Ag 992 967 0.00      
12 Ag 356 347 0.00      
13 Ag 322 314 0.00      
14 Au 3071 2992 145.70      
15 Au 2999 2922 87.94      
16 Au 1321 1287 2.99      
17 Au 1196 1165 2.30      
18 Au 947 923 1.92      
19 Au 771 751 1.41      
20 Au 273 266 330.80      
21 Au 94 92 23.23      
22 Au 71 70 6.14      
23 Bg 3040 2963 0.00      
24 Bg 3001 2925 0.00      
25 Bg 1317 1284 0.00      
26 Bg 1275 1243 0.00      
27 Bg 1164 1134 0.00      
28 Bg 826 805 0.00      
29 Bg 267 261 0.00      
30 Bg 138 134 0.00      
31 Bu 3660 3566 7.51      
32 Bu 3003 2926 96.86      
33 Bu 2952 2877 122.28      
34 Bu 1545 1506 6.86      
35 Bu 1522 1483 5.37      
36 Bu 1441 1405 17.52      
37 Bu 1310 1277 28.64      
38 Bu 1194 1164 68.04      
39 Bu 1029 1003 196.21      
40 Bu 963 939 25.82      
41 Bu 502 489 49.97      
42 Bu 134 130 9.40      

Unscaled Zero Point Vibrational Energy (zpe) 30761.6 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 29977.2 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
0.55500 0.03698 0.03561

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 1.286 2.828 0.000
O2 -1.286 -2.828 0.000
C3 1.422 1.360 0.000
C4 -1.422 -1.360 0.000
C5 0.000 0.776 0.000
C6 0.000 -0.776 0.000
H7 2.169 3.254 0.000
H8 -2.169 -3.254 0.000
H9 -0.530 1.159 0.884
H10 -0.530 1.159 -0.884
H11 0.530 -1.159 0.884
H12 0.530 -1.159 -0.884
H13 -1.973 -1.027 -0.895
H14 -1.973 -1.027 0.895
H15 1.973 1.027 -0.895
H16 1.973 1.027 0.895

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.21351.47424.98712.42223.82620.98006.99492.62002.62004.15344.15345.12715.12712.12552.1255
O26.21354.98711.47423.82622.42226.99490.98004.15344.15342.62002.62002.12552.12555.12715.1271
C31.47424.98713.93461.53702.56542.03625.84642.15162.15162.81462.81464.24554.24551.10331.1033
C44.98711.47423.93462.56541.53705.84642.03622.81462.81462.15162.15161.10331.10334.24554.2455
C52.42223.82621.53702.56541.55113.29354.57621.09961.09962.19212.19212.81872.81872.18162.1816
C63.82622.42222.56541.53701.55114.57623.29352.19212.19211.09961.09962.18162.18162.81872.8187
H70.98006.99492.03625.84643.29354.57627.82123.52893.52894.79004.79006.02396.02392.40832.4083
H86.99490.98005.84642.03624.57623.29357.82124.79004.79003.52893.52892.40832.40836.02396.0239
H92.62004.15342.15162.81461.09962.19213.52894.79001.76752.54923.10203.16672.61973.07402.5069
H102.62004.15342.15162.81461.09962.19213.52894.79001.76753.10202.54922.61973.16672.50693.0740
H114.15342.62002.81462.15162.19211.09964.79003.52892.54923.10201.76753.07402.50693.16672.6197
H124.15342.62002.81462.15162.19211.09964.79003.52893.10202.54921.76752.50693.07402.61973.1667
H135.12712.12554.24551.10332.81872.18166.02392.40833.16672.61973.07402.50691.79074.44934.7961
H145.12712.12554.24551.10332.81872.18166.02392.40832.61973.16672.50693.07401.79074.79614.4493
H152.12555.12711.10334.24552.18162.81872.40836.02393.07402.50693.16672.61974.44934.79611.7907
H162.12555.12711.10334.24552.18162.81872.40836.02392.50693.07402.61973.16674.79614.44931.7907

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 107.084 O1 C3 H15 110.273
O1 C3 H16 110.273 O2 C4 C6 107.084
O2 C4 H13 110.273 O2 C4 H14 110.273
C3 O1 H7 110.509 C3 C5 C6 112.346
C3 C5 H9 108.245 C3 C5 H10 108.245
C4 O2 H8 110.509 C4 C6 C5 112.346
C4 C6 H11 108.245 C4 C6 H12 108.245
C5 C3 H15 110.358 C5 C3 H16 110.358
C5 C6 H11 110.420 C5 C6 H12 110.420
C6 C4 H13 110.358 C6 C4 H14 110.358
C6 C5 H9 110.420 C6 C5 H10 110.420
H9 C5 H10 106.979 H11 C6 H12 106.979
H13 C4 H14 108.496 H15 C3 H16 108.496
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 -0.471      
2 O -0.471      
3 C -0.177      
4 C -0.177      
5 C -0.204      
6 C -0.204      
7 H 0.334      
8 H 0.334      
9 H 0.136      
10 H 0.136      
11 H 0.136      
12 H 0.136      
13 H 0.123      
14 H 0.123      
15 H 0.123      
16 H 0.123      


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 -26.643 9.421 0.000
y 9.421 -46.350 0.000
z 0.000 0.000 -38.747
Traceless
 xyz
x 15.905 9.421 0.000
y 9.421 -13.655 0.000
z 0.000 0.000 -2.250
Polar
3z2-r2-4.500
x2-y219.707
xy9.421
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.504 1.167 0.000
y 1.167 9.444 0.000
z 0.000 0.000 6.922


<r2> (average value of r2) Å2
<r2> 238.072
(<r2>)1/2 15.430