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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: BLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-311G*
 hartrees
Energy at 0K-155.004584
Energy at 298.15K-155.011208
HF Energy-155.004584
Nuclear repulsion energy81.035406
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 BLYP/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 A' 3625 3616 1.97 129.88 0.32 0.49
2 A' 3024 3016 40.92 70.06 0.75 0.86
3 A' 2963 2955 21.02 131.86 0.01 0.01
4 A' 2879 2872 87.61 133.61 0.11 0.20
5 A' 1506 1502 0.85 2.67 0.61 0.76
6 A' 1482 1479 3.89 23.55 0.75 0.86
7 A' 1428 1424 9.79 4.60 0.56 0.72
8 A' 1380 1377 3.33 0.68 0.74 0.85
9 A' 1255 1252 77.70 5.35 0.72 0.84
10 A' 1069 1066 7.66 5.82 0.51 0.67
11 A' 994 991 71.49 3.49 0.22 0.36
12 A' 869 867 16.53 4.87 0.44 0.61
13 A' 406 405 11.86 0.37 0.71 0.83
14 A" 3028 3021 45.66 56.46 0.75 0.86
15 A" 2897 2890 81.56 118.42 0.75 0.86
16 A" 1463 1459 7.22 11.85 0.75 0.86
17 A" 1270 1267 0.18 10.83 0.75 0.86
18 A" 1150 1147 3.42 2.79 0.75 0.86
19 A" 809 807 0.01 0.10 0.75 0.86
20 A" 301 300 108.77 4.09 0.75 0.86
21 A" 249 249 26.70 0.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17023.8 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 16981.2 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 BLYP/6-311G*
ABC
1.14640 0.30800 0.26747

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.182 -0.403 0.000
C2 0.000 0.563 0.000
O3 -1.207 -0.228 0.000
H4 -1.964 0.385 0.000
H5 2.136 0.145 0.000
H6 1.151 -1.048 0.890
H7 1.151 -1.048 -0.890
H8 0.044 1.216 0.894
H9 0.044 1.216 -0.894

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.52672.39563.24381.10041.09931.09932.17172.1717
C21.52671.44281.97222.17672.17042.17041.10791.1079
O32.39561.44280.97443.36392.65022.65022.10952.1095
H43.24381.97220.97444.10753.54263.54262.35022.3502
H51.10042.17673.36394.10751.78511.78512.51432.5143
H61.09932.17042.65023.54261.78511.77962.52023.0874
H71.09932.17042.65023.54261.78511.77963.08742.5202
H82.17171.10792.10952.35022.51432.52023.08741.7870
H92.17171.10792.10952.35022.51433.08742.52021.7870

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.522 C1 C2 H8 110.012
C1 C2 H9 110.012 C2 C1 H5 110.856
C2 C1 H6 110.426 C2 C1 H7 110.426
C2 O3 H4 107.771 O3 C2 H8 110.902
O3 C2 H9 110.902 H5 C1 H6 108.486
H5 C1 H7 108.486 H6 C1 H7 108.080
H8 C2 H9 107.504
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.588      
2 C -0.171      
3 O -0.534      
4 H 0.365      
5 H 0.188      
6 H 0.202      
7 H 0.202      
8 H 0.168      
9 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.083 1.644 0.000 1.646
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.835 -2.365 0.000
y -2.365 -20.395 0.000
z 0.000 0.000 -20.453
Traceless
 xyz
x 2.589 -2.365 0.000
y -2.365 -1.251 0.000
z 0.000 0.000 -1.338
Polar
3z2-r2-2.676
x2-y22.560
xy-2.365
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.881 -0.202 0.000
y -0.202 4.312 0.000
z 0.000 0.000 3.888


<r2> (average value of r2) Å2
<r2> 55.129
(<r2>)1/2 7.425