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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: CCSD/aug-cc-pVDZ

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD/aug-cc-pVDZ
 hartrees
Energy at 0K-207.456024
Energy at 298.15K-207.459348
HF Energy-206.799559
Nuclear repulsion energy101.162127
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/aug-cc-pVDZ
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 3841 3700 43.51      
2 A 3139 3024 3.68      
3 A 3061 2949 21.10      
4 A 2316 2231 2.15      
5 A 1487 1433 1.91      
6 A 1424 1372 49.00      
7 A 1373 1323 2.97      
8 A 1227 1182 15.16      
9 A 1097 1057 94.06      
10 A 990 954 17.98      
11 A 901 868 17.67      
12 A 570 549 1.52      
13 A 370 356 47.45      
14 A 297 286 88.99      
15 A 210 202 11.21      

Unscaled Zero Point Vibrational Energy (zpe) 11151.5 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 10743.4 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/aug-cc-pVDZ
ABC
1.11336 0.15738 0.14298

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.580 0.594 0.038
C2 0.832 0.111 -0.006
O3 -1.524 -0.456 -0.111
H4 -0.723 1.156 0.979
H5 -0.742 1.284 -0.804
H6 -1.414 -1.075 0.621
N7 1.936 -0.278 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.49321.41981.10511.10041.95502.6638
C21.49322.42522.11672.11932.61611.1708
O31.41982.42522.10462.02900.96543.4658
H41.10512.11672.10461.78752.36303.1806
H51.10042.11932.02901.78752.83653.1998
H61.95502.61610.96542.36302.83653.5017
N72.66381.17083.46583.18063.19983.5017

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.636 C1 O3 H6 108.590
C2 C1 O3 112.696 C2 C1 H4 108.180
C2 C1 H5 108.651 O3 C1 H4 112.333
O3 C1 H5 106.548 H4 C1 H5 108.286
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability