return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HOCH2CN (cyanomethanol)

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP3/cc-pVDZ
 hartrees
Energy at 0K-207.401991
Energy at 298.15K-207.405391
HF Energy-206.785657
Nuclear repulsion energy101.721531
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/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 3902 3699 44.96      
2 A 3178 3012 6.44      
3 A 3091 2930 26.31      
4 A 2423 2297 0.91      
5 A 1501 1423 1.72      
6 A 1452 1376 53.84      
7 A 1403 1330 4.64      
8 A 1247 1182 13.89      
9 A 1143 1083 94.83      
10 A 1003 951 16.92      
11 A 918 870 19.95      
12 A 586 556 2.79      
13 A 398 377 72.46      
14 A 314 298 71.26      
15 A 215 203 8.15      

Unscaled Zero Point Vibrational Energy (zpe) 11386.3 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 10793.1 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/cc-pVDZ
ABC
1.12269 0.15924 0.14468

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.583 0.588 0.038
C2 0.829 0.113 -0.005
O3 -1.512 -0.457 -0.112
H4 -0.718 1.158 0.975
H5 -0.738 1.283 -0.801
H6 -1.394 -1.056 0.634
N7 1.925 -0.276 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.49061.40581.10571.10011.92712.6534
C21.49062.41192.10882.11112.59141.1630
O31.40582.41192.10212.02500.96393.4431
H41.10572.10882.10211.78092.33923.1662
H51.10012.11112.02501.78092.82103.1841
H61.92712.59140.96392.33922.82103.4701
N72.65341.16303.44313.16623.18413.4701

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.482 C1 O3 H6 107.353
C2 C1 O3 112.726 C2 C1 H4 107.709
C2 C1 H5 108.205 O3 C1 H4 113.112
O3 C1 H5 107.191 H4 C1 H5 107.687
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability