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All results from a given calculation for HOCHCCHOH (allenediol)

using model chemistry: MP2/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-50.487223
Energy at 298.15K-50.491191
HF Energy-49.981747
Nuclear repulsion energy79.896058
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/CEP-121G
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 3602 3516 16.56      
2 A 3187 3111 7.56      
3 A 1437 1403 15.06      
4 A 1261 1231 0.24      
5 A 1185 1156 29.37      
6 A 937 915 65.06      
7 A 882 861 68.66      
8 A 481 469 89.89      
9 A 457 446 78.94      
10 A 326 318 20.40      
11 A 133 130 0.28      
12 B 3601 3515 43.02      
13 B 3189 3113 11.56      
14 B 1950 1903 284.16      
15 B 1386 1353 56.01      
16 B 1245 1216 8.02      
17 B 989 965 514.27      
18 B 839 819 22.66      
19 B 585 571 50.96      
20 B 441 431 153.37      
21 B 166 162 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 14138.8 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 13799.5 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 MP2/CEP-121G
ABC
0.72803 0.07078 0.06908

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.333
C2 0.000 1.341 0.382
C3 0.000 -1.341 0.382
O4 0.822 2.203 -0.417
O5 -0.822 -2.203 -0.417
H6 -0.636 1.943 1.030
H7 0.636 -1.943 1.030
H8 1.422 1.672 -0.992
H9 -1.422 -1.672 -0.992

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.34171.34172.46802.46802.16032.16032.56352.5635
C21.34172.68151.43463.72451.08963.40722.00503.6036
C31.34172.68153.72451.43463.40721.08963.60362.0050
O42.46801.43463.72454.70282.07084.39510.98614.5145
O52.46803.72451.43464.70284.39512.07084.51450.9861
H62.16031.08963.40722.07084.39514.08962.89794.2157
H72.16033.40721.08964.39512.07084.08964.21572.8979
H82.56352.00503.60360.98614.51452.89794.21574.3894
H92.56353.60362.00504.51450.98614.21572.89794.3894

picture of allenediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 125.449 C1 C2 H6 125.062
C1 C3 O5 125.449 C1 C3 H7 125.062
C2 C1 C3 175.771 C2 O4 H8 110.472
C3 O5 H9 110.472 O4 C2 H6 109.485
O5 C3 H7 109.485
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability