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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP4=FULL/3-21G

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/3-21G
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/3-21G
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-206.058768
Energy at 298.15K-206.062192
HF Energy-205.604242
Nuclear repulsion energy99.773675
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/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3456 3383 0.00      
2 A 3108 3042 0.00      
3 A 3017 2953 0.00      
4 A 2153 2108 0.00      
5 A 1565 1532 0.00      
6 A 1422 1392 0.00      
7 A 1402 1373 0.00      
8 A 1265 1238 0.00      
9 A 1010 988 0.00      
10 A 966 946 0.00      
11 A 860 841 0.00      
12 A 574 562 0.00      
13 A 438 428 0.00      
14 A 341 334 0.00      
15 A 221 216 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 10897.9 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 10666.8 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 MP4=FULL/3-21G
ABC
1.04829 0.15492 0.14003

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.566 0.617 0.037
C2 0.841 0.128 0.003
O3 -1.546 -0.471 -0.116
H4 -0.715 1.198 0.962
H5 -0.739 1.280 -0.819
H6 -1.449 -1.066 0.677
N7 1.945 -0.302 -0.019

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.49001.47231.10241.09612.00552.6742
C21.49002.46372.11832.12122.66901.1846
O31.47232.46372.15322.05190.99633.4960
H41.10242.11832.15321.78292.39633.2076
H51.09612.12122.05191.78292.87133.2162
H62.00552.66900.99632.39632.87133.5477
N72.67421.18463.49603.20763.21623.5477

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 177.897 C1 O3 H6 107.084
C2 C1 O3 112.542 C2 C1 H4 108.672
C2 C1 H5 109.269 O3 C1 H4 112.714
O3 C1 H5 105.107 H4 C1 H5 108.376
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability