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All results from a given calculation for HOCH2CN (cyanomethanol)

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD(T)/6-311+G(3df,2p)
 hartrees
Energy at 0K-207.639302
Energy at 298.15K-207.642604
HF Energy-206.844480
Nuclear repulsion energy101.942739
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 CCSD(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 3858 3807        
2 A 3126 3085        
3 A 3048 3008        
4 A 2281 2252        
5 A 1502 1483        
6 A 1423 1404        
7 A 1377 1359        
8 A 1226 1210        
9 A 1097 1083        
10 A 994 981        
11 A 893 881        
12 A 570 563        
13 A 368 363        
14 A 289 285        
15 A 207 204        

Unscaled Zero Point Vibrational Energy (zpe) 11129.1 cm-1
Scaled (by 0.9869) Zero Point Vibrational Energy (zpe) 10983.3 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 CCSD(T)/6-311+G(3df,2p)
ABC
1.12380 0.16017 0.14536

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(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 1.147 0.972
H5 -0.736 1.278 -0.794
H6 -1.402 -1.073 0.617
N7 1.919 -0.278 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48201.40971.09491.09011.94622.6435
C21.48202.40502.09882.10152.59871.1617
O31.40972.40502.08832.01590.96103.4348
H41.09492.09882.08831.77042.34983.1551
H51.09012.10152.01591.77042.82103.1749
H61.94622.59870.96102.34982.82103.4728
N72.64351.16173.43483.15513.17493.4728

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.491 C1 O3 H6 108.889
C2 C1 O3 112.521 C2 C1 H4 108.132
C2 C1 H5 108.626 O3 C1 H4 112.377
O3 C1 H5 106.799 H4 C1 H5 108.245
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability