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=FULL/6-311+G(3df,2p)

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=FULL/6-311+G(3df,2p)
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/6-311+G(3df,2p)
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311+G(3df,2p)
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP3=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-207.690443
Energy at 298.15K-207.693832
HF Energy-206.847377
Nuclear repulsion energy102.768873
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=FULL/6-311+G(3df,2p)
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 3957 3957 58.74      
2 A 3180 3180 1.98      
3 A 3106 3106 16.94      
4 A 2436 2436 0.23      
5 A 1527 1527 3.84      
6 A 1452 1452 45.27      
7 A 1408 1408 3.56      
8 A 1255 1255 17.42      
9 A 1145 1145 102.24      
10 A 1014 1014 20.23      
11 A 926 926 16.64      
12 A 597 597 1.03      
13 A 382 382 27.62      
14 A 299 299 114.93      
15 A 221 221 15.69      

Unscaled Zero Point Vibrational Energy (zpe) 11452.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11452.3 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=FULL/6-311+G(3df,2p)
ABC
1.14690 0.16242 0.14752

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.570 0.586 0.038
C2 0.823 0.107 -0.005
O3 -1.501 -0.447 -0.110
H4 -0.708 1.141 0.965
H5 -0.723 1.272 -0.789
H6 -1.404 -1.068 0.608
N7 1.903 -0.275 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.47361.39821.08991.08531.93772.6192
C21.47362.39152.08672.08852.59141.1458
O31.39822.39152.07542.00560.95433.4100
H41.08992.08672.07541.75882.34343.1279
H51.08532.08852.00561.75882.80913.1446
H61.93772.59140.95432.34342.80913.4575
N72.61921.14583.41003.12793.14463.4575

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.730 C1 O3 H6 109.457
C2 C1 O3 112.743 C2 C1 H4 108.048
C2 C1 H5 108.454 O3 C1 H4 112.466
O3 C1 H5 107.041 H4 C1 H5 107.917
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability