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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: BLYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-154.986348
Energy at 298.15K-154.992897
HF Energy-154.986348
Nuclear repulsion energy80.739856
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/6-31+G**
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' 3678 3659 14.60 116.81 0.26 0.42
2 A' 3036 3020 31.05 67.97 0.75 0.86
3 A' 2969 2953 19.06 151.03 0.00 0.01
4 A' 2906 2890 78.92 130.98 0.10 0.18
5 A' 1487 1479 1.05 2.54 0.75 0.86
6 A' 1468 1460 4.64 14.77 0.73 0.84
7 A' 1401 1393 18.20 3.15 0.52 0.69
8 A' 1366 1358 0.34 0.22 0.55 0.71
9 A' 1223 1217 62.59 3.74 0.75 0.85
10 A' 1051 1045 13.46 6.97 0.38 0.55
11 A' 987 982 75.17 4.50 0.34 0.51
12 A' 858 854 21.43 6.14 0.30 0.46
13 A' 403 401 11.88 0.40 0.61 0.76
14 A" 3044 3028 34.35 49.36 0.75 0.86
15 A" 2933 2918 59.12 119.85 0.75 0.86
16 A" 1451 1443 7.19 8.85 0.75 0.86
17 A" 1257 1250 0.28 8.62 0.75 0.86
18 A" 1141 1135 2.94 1.00 0.75 0.86
19 A" 800 795 0.14 0.19 0.75 0.86
20 A" 277 276 89.48 1.53 0.75 0.86
21 A" 231 230 47.67 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16982.9 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 16892.9 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/6-31+G**
ABC
1.14470 0.30457 0.26497

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.191 -0.397 0.000
C2 0.000 0.563 0.000
O3 -1.213 -0.235 0.000
H4 -1.981 0.368 0.000
H5 2.137 0.169 0.000
H6 1.170 -1.042 0.893
H7 1.170 -1.042 -0.893
H8 0.032 1.214 0.896
H9 0.032 1.214 -0.896

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.52972.40963.26281.10271.10161.10162.17752.1775
C21.52971.45201.99032.17332.17722.17721.10801.1080
O32.40961.45200.97633.37482.66942.66942.10972.1097
H43.26281.99030.97634.12303.56523.56522.35962.3596
H51.10272.17333.37484.12301.78891.78892.51572.5157
H61.10162.17722.66943.56521.78891.78602.52623.0957
H71.10162.17722.66943.56521.78891.78603.09572.5262
H82.17751.10802.10972.35962.51572.52623.09571.7926
H92.17751.10802.10972.35962.51573.09572.52621.7926

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.803 C1 C2 H8 110.261
C1 C2 H9 110.261 C2 C1 H5 110.248
C2 C1 H6 110.618 C2 C1 H7 110.618
C2 O3 H4 108.511 O3 C2 H8 110.271
O3 C2 H9 110.271 H5 C1 H6 108.490
H5 C1 H7 108.490 H6 C1 H7 108.308
H8 C2 H9 107.983
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.419      
2 C -0.104      
3 O -0.509      
4 H 0.333      
5 H 0.140      
6 H 0.159      
7 H 0.159      
8 H 0.121      
9 H 0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.175 1.747 0.000 1.755
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.216 -2.656 0.000
y -2.656 -20.697 0.000
z 0.000 0.000 -20.813
Traceless
 xyz
x 2.539 -2.656 0.000
y -2.656 -1.182 0.000
z 0.000 0.000 -1.357
Polar
3z2-r2-2.714
x2-y22.480
xy-2.656
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.191 -0.087 0.000
y -0.087 4.662 0.000
z 0.000 0.000 4.297


<r2> (average value of r2) Å2
<r2> 55.719
(<r2>)1/2 7.465