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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: QCISD(T)/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C1 1A

Conformer 1 (Cs)

Jump to S1C2
Vibrational Frequencies calculated at QCISD(T)/6-311+G(3df,2p)
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/6-311+G(3df,2p)
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-311+G(3df,2p)
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at QCISD(T)/6-311+G(3df,2p)
 hartrees
Energy at 0K-207.640273
Energy at 298.15K-207.643573
HF Energy-206.844356
Nuclear repulsion energy101.925836
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 QCISD(T)/6-311+G(3df,2p)
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 3856 3677        
2 A 3125 2980        
3 A 3049 2907        
4 A 2276 2170        
5 A 1503 1433        
6 A 1423 1357        
7 A 1378 1314        
8 A 1229 1172        
9 A 1094 1044        
10 A 992 946        
11 A 894 853        
12 A 570 544        
13 A 363 346        
14 A 288 274        
15 A 209 200        

Unscaled Zero Point Vibrational Energy (zpe) 11124.4 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 10609.3 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 QCISD(T)/6-311+G(3df,2p)
ABC
1.12231 0.16018 0.14535

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.576 0.592 0.038
C2 0.825 0.113 -0.006
O3 -1.509 -0.454 -0.111
H4 -0.717 1.148 0.971
H5 -0.735 1.277 -0.795
H6 -1.401 -1.073 0.617
N7 1.919 -0.279 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48171.41021.09481.09021.94682.6438
C21.48172.40492.09862.10052.59871.1623
O31.41022.40492.08932.01680.96113.4347
H41.09482.09862.08931.77052.35113.1558
H51.09022.10052.01681.77052.82193.1741
H61.94682.59870.96112.35112.82193.4726
N72.64381.16233.43473.15583.17413.4726

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.508 C1 O3 H6 108.888
C2 C1 O3 112.501 C2 C1 H4 108.136
C2 C1 H5 108.558 O3 C1 H4 112.421
O3 C1 H5 106.831 H4 C1 H5 108.249
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability