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All results from a given calculation for CH3CH2OH (Ethanol)

using model chemistry: B2PLYP=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/3-21G
 hartrees
Energy at 0K-153.955880
Energy at 298.15K-153.962581
HF Energy-153.853310
Nuclear repulsion energy80.861448
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 B2PLYP=FULL/3-21G
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' 3497 3329 0.90 135.74 0.32 0.48
2 A' 3163 3012 23.55 52.90 0.75 0.86
3 A' 3092 2944 11.35 95.05 0.02 0.03
4 A' 3024 2878 53.84 95.21 0.15 0.26
5 A' 1618 1541 2.14 6.89 0.70 0.82
6 A' 1592 1516 5.82 30.89 0.75 0.86
7 A' 1488 1417 10.00 4.05 0.64 0.78
8 A' 1478 1407 6.65 2.28 0.68 0.81
9 A' 1302 1240 67.69 10.82 0.74 0.85
10 A' 1126 1072 0.86 6.50 0.43 0.61
11 A' 1009 961 57.53 2.33 0.31 0.48
12 A' 901 858 9.74 8.03 0.31 0.47
13 A' 401 382 14.65 0.33 0.73 0.85
14 A" 3171 3019 26.68 40.85 0.75 0.86
15 A" 3049 2903 69.61 81.91 0.75 0.86
16 A" 1572 1497 5.03 21.16 0.75 0.86
17 A" 1345 1281 1.39 15.45 0.75 0.86
18 A" 1199 1142 3.82 7.89 0.75 0.86
19 A" 872 830 0.12 0.04 0.75 0.86
20 A" 315 300 129.17 8.98 0.75 0.86
21 A" 245 233 17.47 0.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17730.0 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 16879.0 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 B2PLYP=FULL/3-21G
ABC
1.11216 0.31140 0.26779

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.182 -0.387 0.000
C2 0.000 0.583 0.000
O3 -1.198 -0.261 0.000
H4 -1.990 0.337 0.000
H5 2.130 0.157 0.000
H6 1.128 -1.022 0.886
H7 1.128 -1.022 -0.886
H8 0.046 1.228 0.888
H9 0.046 1.228 -0.888

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8 H9
C11.52922.38323.25381.09271.09161.09162.16502.1650
C21.52921.46532.00542.17262.15302.15301.09831.0983
O32.38321.46530.99263.35402.60292.60292.13352.1335
H43.25382.00540.99264.12443.51533.51532.39342.3934
H51.09272.17263.35404.12441.78271.78272.50632.5063
H61.09162.15302.60293.51531.78271.77172.49723.0630
H71.09162.15302.60293.51531.78271.77173.06302.4972
H82.16501.09832.13352.39342.50632.49723.06301.7757
H92.16501.09832.13352.39342.50633.06302.49721.7757

picture of Ethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 105.455 C1 C2 H8 109.884
C1 C2 H9 109.884 C2 C1 H5 110.823
C2 C1 H6 109.342 C2 C1 H7 109.342
C2 O3 H4 107.804 O3 C2 H8 111.866
O3 C2 H9 111.866 H5 C1 H6 109.402
H5 C1 H7 109.402 H6 C1 H7 108.491
H8 C2 H9 107.877
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability