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All results from a given calculation for C4H10O2 (Ethane, 1,2-dimethoxy-)

using model chemistry: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-307.002660
Energy at 298.15K-307.014594
Nuclear repulsion energy254.489208
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 HF/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3281 2980 0.00      
2 Ag 3157 2867 0.00      
3 Ag 3140 2851 0.00      
4 Ag 1636 1485 0.00      
5 Ag 1618 1469 0.00      
6 Ag 1601 1454 0.00      
7 Ag 1568 1424 0.00      
8 Ag 1358 1233 0.00      
9 Ag 1291 1172 0.00      
10 Ag 1167 1060 0.00      
11 Ag 1117 1014 0.00      
12 Ag 426 387 0.00      
13 Ag 354 322 0.00      
14 Au 3208 2913 198.97      
15 Au 3200 2906 102.98      
16 Au 1592 1445 10.68      
17 Au 1337 1214 18.31      
18 Au 1267 1151 6.72      
19 Au 898 816 1.31      
20 Au 246 223 13.77      
21 Au 119 108 5.91      
22 Au 73 66 4.77      
23 Bg 3200 2906 0.00      
24 Bg 3179 2886 0.00      
25 Bg 1592 1446 0.00      
26 Bg 1400 1271 0.00      
27 Bg 1286 1168 0.00      
28 Bg 1244 1130 0.00      
29 Bg 221 200 0.00      
30 Bg 126 114 0.00      
31 Bu 3281 2979 92.34      
32 Bu 3155 2865 154.95      
33 Bu 3139 2850 78.05      
34 Bu 1642 1491 3.38      
35 Bu 1606 1458 23.68      
36 Bu 1588 1442 7.39      
37 Bu 1473 1338 58.79      
38 Bu 1344 1220 324.55      
39 Bu 1274 1157 217.64      
40 Bu 1062 965 74.97      
41 Bu 540 490 5.27      
42 Bu 157 143 4.09      

Unscaled Zero Point Vibrational Energy (zpe) 33080.5 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 30037.1 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 HF/cc-pVDZ
ABC
0.65503 0.04339 0.04198

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.327 1.181 0.000
O2 -1.327 -1.181 0.000
C3 -1.487 -2.564 0.000
C4 1.487 2.564 0.000
C5 0.000 0.756 0.000
C6 0.000 -0.756 0.000
H7 2.555 2.774 0.000
H8 -2.555 -2.774 0.000
H9 -1.037 -3.022 0.889
H10 -1.037 -3.022 -0.889
H11 1.037 3.022 0.889
H12 1.037 3.022 -0.889
H13 -0.533 1.123 0.885
H14 -0.533 1.123 -0.885
H15 0.533 -1.123 0.885
H16 0.533 -1.123 -0.885

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O13.55364.68491.39201.39382.34792.01125.54244.90364.90362.06412.06412.06032.06032.59272.5927
O23.55361.39204.68492.34791.39385.54242.01122.06412.06414.90364.90362.59272.59272.06032.0603
C34.68491.39205.92823.63752.34146.69601.08851.09601.09606.19376.19373.90973.90972.63422.6342
C41.39204.68495.92822.34143.63751.08856.69606.19376.19371.09601.09602.63422.63423.90973.9097
C51.39382.34793.63752.34141.51103.25634.35754.01654.01652.64592.64591.09601.09602.14332.1433
C62.34791.39382.34143.63751.51104.35753.25632.64592.64594.01654.01652.14332.14331.09601.0960
H72.01125.54246.69601.08853.25634.35757.54316.87656.87651.77601.77603.61163.61164.47874.4787
H85.54242.01121.08856.69604.35753.25637.54311.77601.77606.87656.87654.47874.47873.61163.6116
H94.90362.06411.09606.19374.01652.64596.87651.77601.77746.38946.63204.17484.53592.46393.0358
H104.90362.06411.09606.19374.01652.64596.87651.77601.77746.63206.38944.53594.17483.03582.4639
H112.06414.90366.19371.09602.64594.01651.77606.87656.38946.63201.77742.46393.03584.17484.5359
H122.06414.90366.19371.09602.64594.01651.77606.87656.63206.38941.77743.03582.46394.53594.1748
H132.06032.59273.90972.63421.09602.14333.61164.47874.17484.53592.46393.03581.76952.48503.0507
H142.06032.59273.90972.63421.09602.14333.61164.47874.53594.17483.03582.46391.76953.05072.4850
H152.59272.06032.63423.90972.14331.09604.47873.61162.46393.03584.17484.53592.48503.05071.7695
H162.59272.06032.63423.90972.14331.09604.47873.61163.03582.46394.53594.17483.05072.48501.7695

picture of Ethane, 1,2-dimethoxy- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C4 H7 107.723 O1 C4 H11 111.563
O1 C4 H12 111.563 O1 C5 C6 107.790
O1 C5 H13 111.122 O1 C5 H14 111.122
O2 C3 H8 107.723 O2 C3 H9 111.563
O2 C3 H10 111.563 O2 C6 C5 107.790
O2 C6 H15 111.122 O2 C6 H16 111.122
C3 O2 C6 114.379 C4 O1 C5 114.379
C5 C6 H15 109.567 C5 C6 H16 109.567
C6 C5 H13 109.567 C6 C5 H14 109.567
H7 C4 H11 108.782 H7 C4 H12 108.782
H8 C3 H9 108.782 H8 C3 H10 108.782
H9 C3 H10 108.359 H11 C4 H12 108.359
H13 C5 H14 107.663 H15 C6 H16 107.663
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.487 -0.473    
2 O -0.487 -0.473    
3 C 0.184 0.199    
4 C 0.184 0.199    
5 C 0.203 0.244    
6 C 0.203 0.244    
7 H 0.040 0.031    
8 H 0.040 0.031    
9 H 0.011 -0.004    
10 H 0.011 -0.004    
11 H 0.011 -0.004    
12 H 0.011 -0.004    
13 H 0.018 0.003    
14 H 0.018 0.003    
15 H 0.018 0.003    
16 H 0.018 0.003    


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.818 2.193 0.000
y 2.193 -30.156 0.000
z 0.000 0.000 -38.106
Traceless
 xyz
x -6.687 2.193 0.000
y 2.193 9.307 0.000
z 0.000 0.000 -2.619
Polar
3z2-r2-5.238
x2-y2-10.663
xy2.193
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.346 1.141 0.000
y 1.141 8.469 0.000
z 0.000 0.000 6.591


<r2> (average value of r2) Å2
<r2> 267.240
(<r2>)1/2 16.347