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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B1B95/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-154.982844
Energy at 298.15K-154.989508
HF Energy-154.982844
Nuclear repulsion energy81.945894
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 B1B95/aug-cc-pVDZ
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' 3893 3729 31.93 105.76 0.21 0.35
2 A' 3158 3025 24.97 55.46 0.75 0.85
3 A' 3070 2941 15.13 182.29 0.00 0.01
4 A' 3021 2893 68.77 136.57 0.07 0.13
5 A' 1503 1440 1.45 2.81 0.73 0.84
6 A' 1475 1413 2.37 5.84 0.75 0.86
7 A' 1441 1381 12.89 2.19 0.52 0.68
8 A' 1373 1316 2.16 0.06 0.53 0.69
9 A' 1269 1216 70.03 0.92 0.72 0.84
10 A' 1123 1075 53.94 5.19 0.57 0.73
11 A' 1052 1008 33.34 6.50 0.11 0.21
12 A' 911 872 12.40 4.78 0.20 0.34
13 A' 413 396 10.77 0.29 0.61 0.75
14 A" 3160 3027 28.53 41.16 0.75 0.86
15 A" 3058 2929 46.45 97.84 0.75 0.86
16 A" 1455 1393 6.10 4.78 0.75 0.86
17 A" 1290 1236 0.01 3.90 0.75 0.86
18 A" 1168 1119 3.16 0.40 0.75 0.86
19 A" 810 776 0.21 0.17 0.75 0.86
20 A" 300 287 92.88 1.38 0.75 0.86
21 A" 239 229 23.53 0.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17590.8 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 16850.2 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 B1B95/aug-cc-pVDZ
ABC
1.17508 0.31480 0.27399

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.169 -0.401 0.000
C2 0.000 0.553 0.000
O3 -1.192 -0.220 0.000
H4 -1.946 0.372 0.000
H5 2.113 0.155 0.000
H6 1.140 -1.041 0.888
H7 1.140 -1.041 -0.888
H8 0.038 1.201 0.890
H9 0.038 1.201 -0.890

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.50842.36753.20951.09551.09511.09512.15232.1523
C21.50841.42081.95482.15032.15122.15121.10111.1011
O32.36751.42080.95923.32622.62642.62642.07942.0794
H43.20951.95480.95924.06533.50843.50842.32762.3276
H51.09552.15033.32624.06531.77901.77902.48792.4879
H61.09512.15122.62643.50841.77901.77592.49723.0653
H71.09512.15122.62643.50841.77901.77593.06532.4972
H82.15231.10112.07942.32762.48792.49723.06531.7795
H92.15231.10112.07942.32762.48793.06532.49721.7795

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.813 C1 C2 H8 110.161
C1 C2 H9 110.161 C2 C1 H5 110.338
C2 C1 H6 110.431 C2 C1 H7 110.431
C2 O3 H4 108.890 O3 C2 H8 110.448
O3 C2 H9 110.448 H5 C1 H6 108.608
H5 C1 H7 108.608 H6 C1 H7 108.364
H8 C2 H9 107.820
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.506      
2 C 0.923      
3 O -0.445      
4 H 0.072      
5 H -0.139      
6 H -0.162      
7 H -0.162      
8 H -0.296      
9 H -0.296      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.118 1.554 0.000 1.559
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.928 -2.369 0.000
y -2.369 -20.191 0.000
z 0.000 0.000 -20.260
Traceless
 xyz
x 2.298 -2.369 0.000
y -2.369 -1.097 0.000
z 0.000 0.000 -1.201
Polar
3z2-r2-2.401
x2-y22.263
xy-2.369
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.457 -0.138 0.000
y -0.138 4.909 0.000
z 0.000 0.000 4.535


<r2> (average value of r2) Å2
<r2> 54.126
(<r2>)1/2 7.357