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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP4=FULL/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 MP4=FULL/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP4=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-207.496588
Energy at 298.15K-207.499860
HF Energy-206.796117
Nuclear repulsion energy100.705778
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 MP4=FULL/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 3791 3697 0.00      
2 A 3130 3053 0.00      
3 A 3047 2972 0.00      
4 A 2153 2100 0.00      
5 A 1472 1436 0.00      
6 A 1403 1368 0.00      
7 A 1351 1317 0.00      
8 A 1210 1180 0.00      
9 A 1062 1035 0.00      
10 A 976 952 0.00      
11 A 886 864 0.00      
12 A 557 543 0.00      
13 A 362 353 0.00      
14 A 289 282 0.00      
15 A 204 199 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 10945.7 cm-1
Scaled (by 0.9752) Zero Point Vibrational Energy (zpe) 10674.2 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 MP4=FULL/aug-cc-pVDZ
ABC
1.10026 0.15630 0.14190

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.582 0.598 0.038
C2 0.830 0.117 -0.006
O3 -1.528 -0.460 -0.111
H4 -0.728 1.159 0.980
H5 -0.749 1.285 -0.806
H6 -1.411 -1.078 0.626
N7 1.946 -0.282 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.49211.42681.10581.10101.95922.6775
C21.49212.42952.11732.12042.61671.1856
O31.42682.42952.11012.03310.96853.4798
H41.10582.11732.11011.79022.36533.1962
H51.10102.12042.03311.79022.84033.2162
H61.95922.61670.96852.36532.84033.5091
N72.67751.18563.47983.19623.21623.5091

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.479 C1 O3 H6 108.237
C2 C1 O3 112.653 C2 C1 H4 108.256
C2 C1 H5 108.770 O3 C1 H4 112.234
O3 C1 H5 106.366 H4 C1 H5 108.428
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability