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All results from a given calculation for HOCH2CN (cyanomethanol)

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD/6-311+G(3df,2p)
 hartrees
Energy at 0K-207.604753
Energy at 298.15K-207.608108
HF Energy-206.846104
Nuclear repulsion energy102.288023
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/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 3905 3682 51.68      
2 A 3148 2969 2.61      
3 A 3073 2898 18.62      
4 A 2351 2217 1.17      
5 A 1521 1434 2.95      
6 A 1442 1360 44.62      
7 A 1398 1319 3.18      
8 A 1246 1175 17.34      
9 A 1124 1060 100.43      
10 A 1007 950 21.22      
11 A 908 856 16.72      
12 A 584 551 1.11      
13 A 374 353 35.42      
14 A 297 280 106.10      
15 A 217 204 13.24      

Unscaled Zero Point Vibrational Energy (zpe) 11297.1 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 10654.3 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/6-311+G(3df,2p)
ABC
1.13605 0.16093 0.14617

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.574 0.589 0.038
C2 0.826 0.108 -0.006
O3 -1.506 -0.450 -0.111
H4 -0.714 1.143 0.970
H5 -0.730 1.275 -0.792
H6 -1.408 -1.069 0.614
N7 1.914 -0.276 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48041.40391.09291.08821.94332.6341
C21.48042.40032.09542.09752.59991.1539
O31.40392.40032.08172.01110.95803.4257
H41.09292.09542.08171.76622.34603.1439
H51.08822.09752.01111.76622.81653.1620
H61.94332.59990.95802.34602.81653.4723
N72.63411.15393.42573.14393.16203.4723

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.652 C1 O3 H6 109.270
C2 C1 O3 112.621 C2 C1 H4 108.093
C2 C1 H5 108.525 O3 C1 H4 112.383
O3 C1 H5 106.922 H4 C1 H5 108.146
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability