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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP3/TZVP

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 MP3/TZVP
Rotational Constants (cm-1) from geometry optimized at MP3/TZVP
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP3/TZVP
 hartrees
Energy at 0K-207.488494
Energy at 298.15K-207.491913
HF Energy-206.842471
Nuclear repulsion energy102.430623
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 MP3/TZVP
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 3927 3673 43.42      
2 A 3192 2986 4.22      
3 A 3111 2910 22.22      
4 A 2448 2290 0.74      
5 A 1530 1431 3.43      
6 A 1465 1370 50.91      
7 A 1418 1326 1.79      
8 A 1250 1169 14.91      
9 A 1128 1055 97.12      
10 A 1021 954 20.61      
11 A 921 861 22.52      
12 A 592 554 4.07      
13 A 401 375 98.20      
14 A 316 296 64.42      
15 A 218 204 9.63      

Unscaled Zero Point Vibrational Energy (zpe) 11469.3 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 10726.1 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 MP3/TZVP
ABC
1.13575 0.16151 0.14659

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.571 0.589 0.038
C2 0.826 0.110 -0.006
O3 -1.510 -0.449 -0.108
H4 -0.703 1.142 0.970
H5 -0.726 1.276 -0.789
H6 -1.376 -1.077 0.604
N7 1.907 -0.277 -0.016

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.47701.40761.09191.08671.93492.6252
C21.47702.40362.08732.09352.57421.1484
O31.40762.40362.08452.01390.95883.4220
H41.09192.08732.08451.76492.34713.1305
H51.08672.09352.01391.76492.81093.1536
H61.93492.57420.95882.34712.81093.4347
N72.62521.14843.42203.13053.15363.4347

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.556 C1 O3 H6 108.206
C2 C1 O3 112.841 C2 C1 H4 107.740
C2 C1 H5 108.527 O3 C1 H4 112.399
O3 C1 H5 106.974 H4 C1 H5 108.212
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability