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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-229.701088
Energy at 298.15K-229.708124
HF Energy-228.997241
Nuclear repulsion energy130.598512
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 MP2/6-311G**
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 3924 3728 0.00      
2 Ag 3054 2902 0.00      
3 Ag 1554 1477 0.00      
4 Ag 1521 1445 0.00      
5 Ag 1319 1253 0.00      
6 Ag 1122 1066 0.00      
7 Ag 1026 975 0.00      
8 Ag 489 464 0.00      
9 Au 3122 2967 97.03      
10 Au 1254 1191 2.32      
11 Au 862 819 3.99      
12 Au 212 201 202.00      
13 Au 120 114 64.17      
14 Bg 3096 2942 0.00      
15 Bg 1327 1261 0.00      
16 Bg 1187 1128 0.00      
17 Bg 186 177 0.00      
18 Bu 3924 3729 77.66      
19 Bu 3058 2906 98.67      
20 Bu 1563 1485 4.67      
21 Bu 1435 1364 3.32      
22 Bu 1220 1159 104.78      
23 Bu 1106 1051 194.24      
24 Bu 297 283 21.50      

Unscaled Zero Point Vibrational Energy (zpe) 18988.5 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 18042.9 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 MP2/6-311G**
ABC
1.01623 0.13452 0.12440

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.437 0.618 0.000
C2 -0.437 -0.618 0.000
O3 0.437 -1.739 0.000
O4 -0.437 1.739 0.000
H5 -0.117 -2.521 0.000
H6 0.117 2.521 0.000
H7 -1.077 -0.597 0.891
H8 -1.077 -0.597 -0.891
H9 1.077 0.597 0.891
H10 1.077 0.597 -0.891

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.51402.35681.42093.18741.92942.13642.13641.09741.0974
C21.51401.42092.35681.92943.18741.09741.09742.13642.1364
O32.35681.42093.58530.95834.27142.09502.09502.58082.5808
O41.42092.35683.58534.27140.95832.58082.58082.09502.0950
H53.18741.92940.95834.27145.04702.32722.32723.45583.4558
H61.92943.18744.27140.95835.04703.45583.45582.32722.3272
H72.13641.09742.09502.58082.32723.45581.78172.46393.0406
H82.13641.09742.09502.58082.32723.45581.78173.04062.4639
H91.09742.13642.58082.09503.45582.32722.46393.04061.7817
H101.09742.13642.58082.09503.45582.32723.04062.46391.7817

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 106.799 C1 C2 H7 108.747
C1 C2 H8 108.747 C1 O4 H6 106.755
C2 C1 O4 106.799 C2 C1 H9 108.747
C2 C1 H10 108.747 C2 O3 H5 106.755
O3 C2 H7 111.954 O3 C2 H8 111.954
O4 C1 H9 111.954 O4 C1 H10 111.954
H7 C2 H8 108.542 H9 C1 H10 108.542
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability