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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-154.849698
Energy at 298.15K-154.856397
HF Energy-154.849698
Nuclear repulsion energy81.982554
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 PBE1PBE/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' 3824 3634 16.94 108.36 0.31 0.47
2 A' 3166 3008 25.06 60.55 0.75 0.86
3 A' 3082 2929 13.90 110.99 0.01 0.02
4 A' 3006 2857 71.98 110.24 0.12 0.21
5 A' 1561 1483 2.55 4.87 0.63 0.77
6 A' 1530 1454 3.29 25.40 0.75 0.86
7 A' 1488 1414 15.32 5.49 0.63 0.77
8 A' 1422 1351 2.10 1.07 0.68 0.81
9 A' 1299 1235 94.57 6.13 0.74 0.85
10 A' 1152 1095 35.76 5.74 0.61 0.76
11 A' 1061 1008 42.04 3.19 0.14 0.25
12 A' 928 882 7.76 5.29 0.42 0.59
13 A' 420 399 11.87 0.27 0.67 0.81
14 A" 3168 3011 27.19 49.82 0.75 0.86
15 A" 3036 2885 73.06 91.60 0.75 0.86
16 A" 1510 1435 5.77 17.18 0.75 0.86
17 A" 1315 1250 0.11 14.50 0.75 0.86
18 A" 1197 1138 5.40 2.70 0.75 0.86
19 A" 828 787 0.08 0.06 0.75 0.86
20 A" 307 292 108.45 4.10 0.75 0.86
21 A" 255 242 28.75 0.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17776.9 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 16893.4 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 PBE1PBE/6-31G*
ABC
1.17456 0.31552 0.27437

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.165 -0.413 0.000
C2 0.000 0.552 0.000
O3 -1.192 -0.209 0.000
H4 -1.936 0.406 0.000
H5 2.117 0.127 0.000
H6 1.126 -1.054 0.886
H7 1.126 -1.054 -0.886
H8 0.056 1.205 0.887
H9 0.056 1.205 -0.887

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51272.36503.20671.09501.09451.09452.15272.1527
C21.51271.41381.94122.15932.15272.15271.10261.1026
O32.36501.41380.96533.32562.62162.62162.08342.0834
H43.20671.94120.96534.06233.50623.50622.32172.3217
H51.09502.15933.32564.06231.77841.77842.48942.4894
H61.09452.15272.62163.50621.77841.77262.49983.0649
H71.09452.15272.62163.50621.77841.77263.06492.4998
H82.15271.10262.08342.32172.48942.49983.06491.7740
H92.15271.10262.08342.32172.48943.06492.49981.7740

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.785 C1 C2 H8 109.802
C1 C2 H9 109.802 C2 C1 H5 110.783
C2 C1 H6 110.289 C2 C1 H7 110.289
C2 O3 H4 107.870 O3 C2 H8 111.171
O3 C2 H9 111.171 H5 C1 H6 108.630
H5 C1 H7 108.630 H6 C1 H7 108.149
H8 C2 H9 107.114
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.525      
2 C -0.084      
3 O -0.626      
4 H 0.407      
5 H 0.168      
6 H 0.186      
7 H 0.186      
8 H 0.145      
9 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.036 1.578 0.000 1.578
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.214 -2.427 0.000
y -2.427 -19.622 0.000
z 0.000 0.000 -19.874
Traceless
 xyz
x 2.535 -2.427 0.000
y -2.427 -1.078 0.000
z 0.000 0.000 -1.456
Polar
3z2-r2-2.913
x2-y22.409
xy-2.427
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.302 -0.138 0.000
y -0.138 3.837 0.000
z 0.000 0.000 3.528


<r2> (average value of r2) Å2
<r2> 53.729
(<r2>)1/2 7.330