return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C4H10O (Ethanol, 1,1-dimethyl-)

using model chemistry: HSEh1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-233.501786
Energy at 298.15K-233.512958
HF Energy-233.501786
Nuclear repulsion energy200.233118
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 HSEh1PBE/cc-pVTZ
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' 3851 3702 14.28      
2 A' 3137 3015 41.64      
3 A' 3129 3007 7.58      
4 A' 3111 2990 53.08      
5 A' 3055 2936 9.17      
6 A' 3039 2921 29.72      
7 A' 1510 1451 10.23      
8 A' 1501 1442 3.61      
9 A' 1478 1421 0.09      
10 A' 1419 1364 6.38      
11 A' 1403 1349 40.90      
12 A' 1365 1312 21.33      
13 A' 1247 1198 51.31      
14 A' 1163 1118 58.34      
15 A' 1028 988 10.68      
16 A' 949 912 36.10      
17 A' 931 895 0.81      
18 A' 764 734 2.00      
19 A' 457 439 9.00      
20 A' 411 395 0.28      
21 A' 339 325 1.25      
22 A' 270 260 0.08      
23 A" 3134 3012 33.33      
24 A" 3127 3005 4.28      
25 A" 3105 2984 3.02      
26 A" 3035 2917 17.10      
27 A" 1492 1434 3.12      
28 A" 1473 1416 0.07      
29 A" 1465 1408 0.04      
30 A" 1390 1336 22.68      
31 A" 1267 1217 19.90      
32 A" 1044 1004 1.02      
33 A" 953 916 0.00      
34 A" 916 880 0.13      
35 A" 465 447 11.34      
36 A" 341 327 13.59      
37 A" 289 277 58.44      
38 A" 253 243 29.48      
39 A" 208 200 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 29755.0 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 28597.6 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 HSEh1PBE/cc-pVTZ
ABC
0.15852 0.15768 0.15179

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.017 0.000
O2 -0.483 1.360 0.000
C3 1.513 0.141 0.000
C4 -0.483 -0.701 1.254
C5 -0.483 -0.701 -1.254
H6 -1.442 1.330 0.000
H7 1.984 -0.842 0.000
H8 1.845 0.688 -0.884
H9 1.845 0.688 0.884
H10 -0.092 -1.719 1.305
H11 -0.092 -1.719 -1.305
H12 -0.161 -0.160 2.144
H13 -1.575 -0.763 1.267
H14 -0.161 -0.160 -2.144
H15 -1.575 -0.763 -1.267

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.42781.51801.52341.52341.95092.16222.15302.15302.17402.17402.15772.16692.15772.1669
O21.42782.33872.41292.41290.96013.30752.57952.57953.36773.36772.64822.70362.64822.7036
C31.51802.33872.50312.50313.18561.09091.09081.09082.78232.78232.73703.45822.73703.4582
C41.52342.41292.50312.50782.57272.77113.45232.73591.09202.78191.09081.09373.45622.7482
C51.52342.41292.50312.50782.57272.77112.73593.45232.78191.09203.45622.74821.09081.0937
H61.95090.96013.18562.57272.57274.05743.46453.46453.58153.58152.90872.45102.90872.4510
H72.16223.30751.09092.77112.77114.05741.77251.77252.60432.60433.10913.77873.10913.7787
H82.15302.57951.09083.45232.73593.46451.77251.76773.78653.11813.73004.29302.51623.7348
H92.15302.57951.09082.73593.45233.46451.77251.76773.11813.78652.51623.73483.73004.2930
H102.17403.36772.78231.09202.78193.58152.60433.78653.11812.61061.77241.76473.78653.1195
H112.17403.36772.78232.78191.09203.58152.60433.11813.78652.61063.78653.11951.77241.7647
H122.15772.64822.73701.09083.45622.90873.10913.73002.51621.77243.78651.77004.28893.7422
H132.16692.70363.45821.09372.74822.45103.77874.29303.73481.76473.11951.77003.74222.5348
H142.15772.64822.73703.45621.09082.90873.10912.51623.73003.78651.77244.28893.74221.7700
H152.16692.70363.45822.74821.09372.45103.77873.73484.29303.11951.76473.74222.53481.7700

picture of Ethanol, 1,1-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H2 33.869 C1 C5 H3 34.542
C1 C5 H4 34.608 C1 C9 H6 30.663
C1 C9 H7 66.019 C1 C9 H8 65.762
C1 C13 H10 66.224 C1 C13 H11 44.149
C1 C13 H12 65.568 C1 O15 H14 65.568
H2 C5 H3 56.778 H2 C5 H4 58.690
H3 C5 H4 59.939 C5 C1 C9 139.149
C5 C1 C13 94.661 C5 C1 O15 28.173
H6 C9 H7 96.161 H6 C9 H8 75.219
H7 C9 H8 60.088 C9 C1 C13 119.665
C9 C1 O15 167.199 H10 C13 H11 56.790
H10 C13 H12 60.188 H11 C13 H12 97.668
C13 C1 O15 71.590
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.176      
2 O -0.344      
3 C -0.267      
4 C -0.279      
5 C -0.279      
6 H 0.191      
7 H 0.082      
8 H 0.095      
9 H 0.095      
10 H 0.084      
11 H 0.084      
12 H 0.100      
13 H 0.081      
14 H 0.100      
15 H 0.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.787 -1.250 0.000 1.477
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.453 -1.364 0.000
y -1.364 -35.713 0.000
z 0.000 0.000 -33.617
Traceless
 xyz
x 4.212 -1.364 0.000
y -1.364 -3.677 0.000
z 0.000 0.000 -0.535
Polar
3z2-r2-1.069
x2-y25.260
xy-1.364
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.329 0.098 0.000
y 0.098 7.709 0.000
z 0.000 0.000 8.121


<r2> (average value of r2) Å2
<r2> 124.654
(<r2>)1/2 11.165