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All results from a given calculation for CH2CHOH (ethenol)

using model chemistry: QCISD/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 QCISD/3-21G*
 hartrees
Energy at 0K-152.364454
Energy at 298.15K-152.368587
Nuclear repulsion energy68.913508
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/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' 3492 3356 3.95      
2 A' 3232 3107 11.47      
3 A' 3191 3067 4.11      
4 A' 3138 3016 4.87      
5 A' 1688 1622 67.68      
6 A' 1510 1452 14.71      
7 A' 1399 1344 5.40      
8 A' 1367 1314 8.75      
9 A' 1099 1057 117.18      
10 A' 946 909 46.67      
11 A' 487 468 14.06      
12 A" 1006 966 31.23      
13 A" 872 839 79.42      
14 A" 697 670 0.13      
15 A" 456 438 155.88      

Unscaled Zero Point Vibrational Energy (zpe) 12289.6 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 11811.5 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/3-21G*
ABC
1.97951 0.33568 0.28701

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.239 -0.063 0.000
C2 0.000 0.450 0.000
O3 -1.218 -0.258 0.000
H4 1.432 -1.136 0.000
H5 2.105 0.592 0.000
H6 -0.197 1.519 0.000
H7 -1.030 -1.233 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7
C11.34122.46511.09011.08602.13652.5530
C21.34121.40882.13702.10981.08691.9734
O32.46511.40882.79213.43022.04930.9938
H41.09012.13702.79211.85493.11482.4639
H51.08602.10983.43021.85492.48113.6278
H62.13651.08692.04933.11482.48112.8757
H72.55301.97340.99382.46393.62782.8757

picture of ethenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 127.357 C1 C2 H6 122.918
C2 C1 H4 122.687 C2 C1 H5 120.371
C2 O3 H7 109.223 O3 C2 H6 109.725
H4 C1 H5 116.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability