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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: QCISD/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 QCISD/cc-pVDZ
 hartrees
Energy at 0K-154.611864
Energy at 298.15K-154.618568
HF Energy-154.091241
Nuclear repulsion energy81.488949
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 QCISD/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3863 3706 21.58      
2 A' 3154 3026 28.94      
3 A' 3066 2942 15.98      
4 A' 3004 2882 71.42      
5 A' 1535 1473 2.85      
6 A' 1503 1442 3.17      
7 A' 1485 1425 11.36      
8 A' 1404 1347 0.58      
9 A' 1301 1248 86.46      
10 A' 1142 1096 33.00      
11 A' 1063 1020 33.38      
12 A' 921 884 10.43      
13 A' 416 399 10.10      
14 A" 3158 3030 30.85      
15 A" 3037 2914 73.46      
16 A" 1481 1421 4.18      
17 A" 1306 1253 0.01      
18 A" 1192 1143 4.89      
19 A" 822 789 0.09      
20 A" 300 288 86.58      
21 A" 255 245 30.73      

Unscaled Zero Point Vibrational Energy (zpe) 17703.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 16984.9 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 QCISD/cc-pVDZ
ABC
1.15379 0.31257 0.27151

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.169 -0.418 0.000
C2 0.000 0.558 0.000
O3 -1.198 -0.210 0.000
H4 -1.933 0.415 0.000
H5 2.132 0.124 0.000
H6 1.125 -1.064 0.895
H7 1.125 -1.064 -0.895
H8 0.058 1.214 0.895
H9 0.058 1.214 -0.895

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.52302.37623.21201.10481.10441.10442.16812.1681
C21.52301.42281.93812.17562.16692.16691.11151.1115
O32.37621.42280.96493.34642.63142.63142.09942.0994
H43.21201.93810.96494.07523.51243.51242.32462.3246
H51.10482.17563.34644.07521.79601.79602.50812.5081
H61.10442.16692.63143.51241.79601.78972.51553.0873
H71.10442.16692.63143.51241.79601.78973.08732.5155
H82.16811.11152.09942.32462.50812.51553.08731.7899
H92.16811.11152.09942.32462.50813.08732.51551.7899

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.486 C1 C2 H8 109.779
C1 C2 H9 109.779 C2 C1 H5 110.765
C2 C1 H6 110.107 C2 C1 H7 110.107
C2 O3 H4 106.957 O3 C2 H8 111.272
O3 C2 H9 111.272 H5 C1 H6 108.779
H5 C1 H7 108.779 H6 C1 H7 108.245
H8 C2 H9 107.257
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability