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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B3LYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-31G*
 hartrees
Energy at 0K-155.033799
Energy at 298.15K-155.040474
HF Energy-155.033799
Nuclear repulsion energy81.605840
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 A' 3751 3602 9.68 115.08 0.31 0.47
2 A' 3129 3004 31.51 61.04 0.75 0.86
3 A' 3058 2936 15.70 109.97 0.01 0.02
4 A' 2983 2865 73.20 108.14 0.12 0.22
5 A' 1561 1499 2.63 4.27 0.63 0.78
6 A' 1532 1471 3.10 26.87 0.75 0.86
7 A' 1482 1423 16.22 5.65 0.66 0.80
8 A' 1428 1371 0.42 1.17 0.64 0.78
9 A' 1292 1240 86.48 7.01 0.75 0.86
10 A' 1124 1079 22.99 5.73 0.55 0.71
11 A' 1043 1001 56.25 2.93 0.18 0.31
12 A' 912 875 10.16 5.98 0.39 0.56
13 A' 417 401 11.30 0.28 0.69 0.82
14 A" 3134 3010 34.31 49.29 0.75 0.86
15 A" 3007 2887 77.47 91.88 0.75 0.86
16 A" 1514 1454 4.42 17.49 0.75 0.86
17 A" 1310 1258 0.08 14.89 0.75 0.86
18 A" 1195 1147 4.85 3.31 0.75 0.86
19 A" 830 797 0.02 0.06 0.75 0.86
20 A" 301 289 98.62 4.50 0.75 0.86
21 A" 251 241 32.56 0.89 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17625.0 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 16925.3 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
1.16579 0.31200 0.27126

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.173 -0.411 0.000
C2 0.000 0.556 0.000
O3 -1.199 -0.215 0.000
H4 -1.948 0.400 0.000
H5 2.123 0.135 0.000
H6 1.138 -1.052 0.887
H7 1.138 -1.052 -0.887
H8 0.051 1.208 0.888
H9 0.051 1.208 -0.888

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51972.37983.22421.09571.09491.09492.16012.1601
C21.51971.42521.95392.16442.16012.16011.10261.1026
O32.37981.42520.96913.34042.63602.63602.09142.0914
H43.22421.95390.96914.07953.52383.52382.33122.3312
H51.09572.16443.34044.07951.77911.77912.49662.4966
H61.09492.16012.63603.52381.77911.77382.50763.0719
H71.09492.16012.63603.52381.77911.77383.07192.5076
H82.16011.10262.09142.33122.49662.50763.07191.7752
H92.16011.10262.09142.33122.49663.07192.50761.7752

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.781 C1 C2 H8 109.905
C1 C2 H9 109.905 C2 C1 H5 110.650
C2 C1 H6 110.356 C2 C1 H7 110.356
C2 O3 H4 107.867 O3 C2 H8 111.016
O3 C2 H9 111.016 H5 C1 H6 108.611
H5 C1 H7 108.611 H6 C1 H7 108.188
H8 C2 H9 107.228
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.442      
2 C -0.026      
3 O -0.613      
4 H 0.389      
5 H 0.140      
6 H 0.158      
7 H 0.158      
8 H 0.118      
9 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.018 1.563 0.000 1.563
CHELPG 0.002 1.535 0.000 1.535
AIM -0.590 -0.648 0.000 0.877
ESP 0.010 1.537 0.000 1.537


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.342 -2.407 0.000
y -2.407 -19.718 0.000
z 0.000 0.000 -19.939
Traceless
 xyz
x 2.486 -2.407 0.000
y -2.407 -1.078 0.000
z 0.000 0.000 -1.409
Polar
3z2-r2-2.817
x2-y22.376
xy-2.407
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.365 -0.140 0.000
y -0.140 3.843 0.000
z 0.000 0.000 3.524


<r2> (average value of r2) Å2
<r2> 54.208
(<r2>)1/2 7.363