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: CCSD/6-311G**

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 CCSD/6-311G**
Rotational Constants (cm-1) from geometry optimized at CCSD/6-311G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD/6-311G**
 hartrees
Energy at 0K-207.482354
Energy at 298.15K-207.485769
HF Energy-206.822682
Nuclear repulsion energy101.988556
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 CCSD/6-311G**
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 3911 3911 39.23      
2 A 3153 3153 6.19      
3 A 3070 3070 26.46      
4 A 2344 2344 2.82      
5 A 1524 1524 2.00      
6 A 1457 1457 51.66      
7 A 1411 1411 2.12      
8 A 1250 1250 16.18      
9 A 1127 1127 93.85      
10 A 1013 1013 18.39      
11 A 908 908 20.89      
12 A 586 586 3.50      
13 A 402 402 84.61      
14 A 320 320 66.98      
15 A 218 218 8.78      

Unscaled Zero Point Vibrational Energy (zpe) 11345.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11345.2 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 CCSD/6-311G**
ABC
1.12188 0.16034 0.14550

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.580 0.591 0.038
C2 0.827 0.115 -0.006
O3 -1.508 -0.457 -0.110
H4 -0.718 1.150 0.972
H5 -0.738 1.277 -0.797
H6 -1.379 -1.061 0.623
N7 1.918 -0.277 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48571.40791.09771.09211.92622.6450
C21.48572.40622.10102.10362.57751.1596
O31.40792.40622.09272.01830.95883.4322
H41.09772.10102.09271.77382.33413.1560
H51.09212.10362.01831.77382.81003.1751
H61.92622.57750.95882.33412.81003.4483
N72.64501.15963.43223.15603.17513.4483

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.377 C1 O3 H6 107.435
C2 C1 O3 112.494 C2 C1 H4 107.892
C2 C1 H5 108.415 O3 C1 H4 112.691
O3 C1 H5 106.996 H4 C1 H5 108.198
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability