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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: MP2=FULL/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-154.892754
Energy at 298.15K-154.899449
HF Energy-154.155576
Nuclear repulsion energy82.295310
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 MP2=FULL/aug-cc-pVQZ
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' 3871 3702 39.44 97.31 0.18 0.31
2 A' 3191 3052 16.68 47.80 0.75 0.86
3 A' 3096 2961 11.88 165.10 0.00 0.01
4 A' 3060 2927 55.03 138.25 0.06 0.11
5 A' 1549 1482 1.66 2.40 0.74 0.85
6 A' 1522 1456 2.80 5.70 0.75 0.86
7 A' 1463 1400 12.57 1.51 0.38 0.55
8 A' 1409 1348 2.18 0.01 0.58 0.73
9 A' 1276 1220 60.52 0.78 0.75 0.85
10 A' 1125 1076 41.42 5.75 0.42 0.59
11 A' 1060 1014 47.05 5.65 0.12 0.21
12 A' 918 878 13.47 5.83 0.15 0.26
13 A' 419 400 10.99 0.31 0.58 0.73
14 A" 3196 3056 18.90 33.28 0.75 0.86
15 A" 3106 2971 32.60 81.06 0.75 0.86
16 A" 1505 1439 6.54 4.10 0.75 0.86
17 A" 1318 1261 0.00 3.05 0.75 0.86
18 A" 1192 1140 2.88 0.36 0.75 0.86
19 A" 825 789 0.20 0.14 0.75 0.86
20 A" 301 288 83.58 0.92 0.75 0.86
21 A" 246 236 32.44 0.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17824.1 cm-1
Scaled (by 0.9564) Zero Point Vibrational Energy (zpe) 17046.9 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 MP2=FULL/aug-cc-pVQZ
ABC
1.18190 0.31771 0.27606

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.166 -0.395 0.000
C2 0.000 0.555 0.000
O3 -1.186 -0.227 0.000
H4 -1.941 0.364 0.000
H5 2.102 0.154 0.000
H6 1.132 -1.027 0.880
H7 1.132 -1.027 -0.880
H8 0.035 1.194 0.882
H9 0.035 1.194 -0.882

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.50372.35833.19841.08531.08451.08452.14062.1406
C21.50371.42081.95062.14032.13552.13551.08991.0899
O32.35831.42080.95843.31082.60592.60592.07102.0710
H43.19841.95060.95844.04913.48643.48642.31792.3179
H51.08532.14033.31084.04911.76411.76412.47692.4769
H61.08452.13552.60593.48641.76411.76022.47803.0405
H71.08452.13552.60593.48641.76411.76023.04052.4780
H82.14061.08992.07102.31792.47692.47803.04051.7637
H92.14061.08992.07102.31792.47693.04052.47801.7637

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.458 C1 C2 H8 110.224
C1 C2 H9 110.224 C2 C1 H5 110.476
C2 C1 H6 110.135 C2 C1 H7 110.135
C2 O3 H4 108.576 O3 C2 H8 110.460
O3 C2 H9 110.460 H5 C1 H6 108.781
H5 C1 H7 108.781 H6 C1 H7 108.484
H8 C2 H9 108.028
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability