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All results from a given calculation for C2H6O2 (1,2-Ethanediol)

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-229.288245
Energy at 298.15K-229.295235
HF Energy-228.876413
Nuclear repulsion energy126.835468
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/LANL2DZ
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 3676 3540 0.00      
2 Ag 3051 2939 0.00      
3 Ag 1556 1499 0.00      
4 Ag 1485 1430 0.00      
5 Ag 1281 1234 0.00      
6 Ag 1019 982 0.00      
7 Ag 969 933 0.00      
8 Ag 455 438 0.00      
9 Au 3136 3020 111.80      
10 Au 1203 1158 4.00      
11 Au 869 837 0.34      
12 Au 249 240 387.47      
13 Au 114 110 38.73      
14 Bg 3111 2996 0.00      
15 Bg 1318 1270 0.00      
16 Bg 1146 1103 0.00      
17 Bg 221 213 0.00      
18 Bu 3678 3542 24.40      
19 Bu 3054 2941 101.02      
20 Bu 1559 1501 4.21      
21 Bu 1407 1355 4.06      
22 Bu 1187 1143 115.02      
23 Bu 965 929 179.51      
24 Bu 283 272 34.25      

Unscaled Zero Point Vibrational Energy (zpe) 18495.3 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 17812.8 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/LANL2DZ
ABC
0.95879 0.12725 0.11748

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.768 0.000
C2 0.000 -0.768 0.000
O3 1.441 -1.153 0.000
O4 -1.441 1.153 0.000
H5 1.545 -2.131 0.000
H6 -1.545 2.131 0.000
H7 -0.509 -1.150 0.903
H8 -0.509 -1.150 -0.903
H9 0.509 1.150 0.903
H10 0.509 1.150 -0.903

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.53702.40211.49143.28572.06002.18022.18021.10411.1041
C21.53701.49142.40212.06003.28571.10411.10412.18022.1802
O32.40211.49143.69140.98354.43892.14852.14852.64352.6435
O41.49142.40213.69144.43890.98352.64352.64352.14852.1485
H53.28572.06000.98354.43895.26462.44852.44853.55723.5572
H62.06003.28574.43890.98355.26463.55723.55722.44852.4485
H72.18021.10412.14852.64352.44853.55721.80542.51453.0955
H82.18021.10412.14852.64352.44853.55721.80543.09552.5145
H91.10412.18022.64352.14853.55722.44852.51453.09551.8054
H101.10412.18022.64352.14853.55722.44853.09552.51451.8054

picture of 1,2-Ethanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 104.959 C1 C2 H7 110.197
C1 C2 H8 110.197 C1 O4 H6 111.014
C2 C1 O4 104.959 C2 C1 H9 110.197
C2 C1 H10 110.197 C2 O3 H5 111.014
O3 C2 H7 110.859 O3 C2 H8 110.859
O4 C1 H9 110.859 O4 C1 H10 110.859
H7 C2 H8 109.688 H9 C1 H10 109.688
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability