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All results from a given calculation for HOCH2CN (cyanomethanol)

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-207.457964
Energy at 298.15K-207.461283
HF Energy-206.799290
Nuclear repulsion energy101.106045
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/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 3835 3715 42.69      
2 A 3137 3039 3.75      
3 A 3059 2963 21.50      
4 A 2302 2230 1.79      
5 A 1486 1440 1.87      
6 A 1422 1378 48.43      
7 A 1370 1327 2.91      
8 A 1225 1187 15.38      
9 A 1093 1059 94.59      
10 A 989 958 18.05      
11 A 899 871 17.52      
12 A 569 551 1.49      
13 A 369 358 47.18      
14 A 296 287 88.72      
15 A 209 203 11.15      

Unscaled Zero Point Vibrational Energy (zpe) 11130.1 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 10781.8 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/aug-cc-pVDZ
ABC
1.11212 0.15721 0.14283

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.580 0.595 0.038
C2 0.832 0.111 -0.006
O3 -1.524 -0.456 -0.111
H4 -0.723 1.157 0.979
H5 -0.743 1.284 -0.804
H6 -1.415 -1.075 0.622
N7 1.938 -0.279 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.49371.42071.10521.10051.95582.6655
C21.49372.42622.11752.12012.61721.1720
O31.42072.42622.10532.02940.96583.4677
H41.10522.11752.10531.78802.36343.1826
H51.10052.12012.02941.78802.83723.2017
H61.95582.61720.96582.36342.83723.5039
N72.66551.17203.46773.18263.20173.5039

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.639 C1 O3 H6 108.576
C2 C1 O3 112.687 C2 C1 H4 108.196
C2 C1 H5 108.673 O3 C1 H4 112.318
O3 C1 H5 106.514 H4 C1 H5 108.309
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability