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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: CCSD=FULL/cc-pVTZ

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=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD=FULL/cc-pVTZ
 hartrees
Energy at 0K-207.664698
Energy at 298.15K-207.668096
HF Energy-206.848105
Nuclear repulsion energy102.615422
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=FULL/cc-pVTZ
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 3906 3703 49.45      
2 A 3152 2988 3.58      
3 A 3087 2927 19.92      
4 A 2377 2254 1.08      
5 A 1529 1450 2.70      
6 A 1449 1374 45.51      
7 A 1412 1338 2.90      
8 A 1258 1193 16.04      
9 A 1131 1072 95.97      
10 A 1009 957 20.94      
11 A 919 872 17.34      
12 A 592 561 1.47      
13 A 386 366 29.71      
14 A 304 288 108.94      
15 A 222 211 12.36      

Unscaled Zero Point Vibrational Energy (zpe) 11366.3 cm-1
Scaled (by 0.9481) Zero Point Vibrational Energy (zpe) 10776.4 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=FULL/cc-pVTZ
ABC
1.14384 0.16202 0.14715

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.570 0.587 0.038
C2 0.821 0.108 -0.005
O3 -1.504 -0.448 -0.110
H4 -0.706 1.144 0.962
H5 -0.721 1.270 -0.789
H6 -1.399 -1.062 0.617
N7 1.907 -0.276 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.47201.40201.08811.08351.93382.6229
C21.47202.39292.08412.08462.58521.1511
O31.40202.39292.07942.00610.95713.4160
H41.08812.08412.07941.75632.33793.1303
H51.08352.08462.00611.75632.80563.1454
H61.93382.58520.95712.33792.80563.4560
N72.62291.15113.41603.13033.14543.4560

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.756 C1 O3 H6 108.645
C2 C1 O3 112.711 C2 C1 H4 108.056
C2 C1 H5 108.362 O3 C1 H4 112.643
O3 C1 H5 106.938 H4 C1 H5 107.951
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability