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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: CCSD/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 CCSD/6-31G*
 hartrees
Energy at 0K-154.550682
Energy at 298.15K-154.557416
HF Energy-154.074152
Nuclear repulsion energy81.636874
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 CCSD/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' 3767 3557 13.77      
2 A' 3157 2981 27.88      
3 A' 3079 2908 13.66      
4 A' 3022 2854 60.78      
5 A' 1587 1499 2.21      
6 A' 1552 1465 3.19      
7 A' 1510 1426 14.50      
8 A' 1450 1370 0.94      
9 A' 1319 1245 91.84      
10 A' 1147 1083 22.48      
11 A' 1078 1018 45.20      
12 A' 933 881 9.42      
13 A' 425 402 12.29      
14 A" 3167 2990 29.19      
15 A" 3054 2883 65.31      
16 A" 1535 1450 4.44      
17 A" 1328 1254 0.10      
18 A" 1218 1150 5.01      
19 A" 841 795 0.00      
20 A" 314 296 115.28      
21 A" 261 246 25.27      

Unscaled Zero Point Vibrational Energy (zpe) 17871.3 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 16875.9 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 CCSD/6-31G*
ABC
1.15833 0.31376 0.27228

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.169 -0.409 0.000
C2 0.000 0.558 0.000
O3 -1.194 -0.217 0.000
H4 -1.952 0.386 0.000
H5 2.121 0.136 0.000
H6 1.128 -1.049 0.889
H7 1.128 -1.049 -0.889
H8 0.055 1.209 0.889
H9 0.055 1.209 -0.889

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.51772.37123.22121.09701.09571.09572.15672.1567
C21.51771.42361.95962.16312.15532.15531.10311.1031
O32.37121.42360.96873.33422.62192.62192.09392.0939
H43.22121.95960.96874.08113.51233.51232.34432.3443
H51.09702.16313.33424.08111.78321.78322.49252.4925
H61.09572.15532.62193.51231.78321.77752.50013.0676
H71.09572.15532.62193.51231.78321.77753.06762.5001
H82.15671.10312.09392.34432.49252.50013.06761.7777
H92.15671.10312.09392.34432.49253.06762.50011.7777

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.403 C1 C2 H8 109.742
C1 C2 H9 109.742 C2 C1 H5 110.610
C2 C1 H6 110.065 C2 C1 H7 110.065
C2 O3 H4 108.496 O3 C2 H8 111.296
O3 C2 H9 111.296 H5 C1 H6 108.824
H5 C1 H7 108.824 H6 C1 H7 108.405
H8 C2 H9 107.366
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability