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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: CCSD/Def2TZVPP

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/Def2TZVPP
Rotational Constants (cm-1) from geometry optimized at CCSD/Def2TZVPP
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/Def2TZVPP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD/Def2TZVPP
 hartrees
Energy at 0K-207.613743
Energy at 298.15K-207.617107
HF Energy-206.856475
Nuclear repulsion energy102.285024
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/Def2TZVPP
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 3891 3891 49.85      
2 A 3154 3154 3.15      
3 A 3079 3079 19.49      
4 A 2358 2358 1.39      
5 A 1518 1518 2.50      
6 A 1446 1446 46.46      
7 A 1403 1403 2.49      
8 A 1251 1251 15.82      
9 A 1120 1120 97.36      
10 A 1008 1008 21.30      
11 A 911 911 17.75      
12 A 587 587 1.52      
13 A 379 379 38.25      
14 A 302 302 102.45      
15 A 217 217 12.63      

Unscaled Zero Point Vibrational Energy (zpe) 11311.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11311.5 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/Def2TZVPP
ABC
1.13379 0.16103 0.14619

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.573 0.590 0.038
C2 0.825 0.110 -0.006
O3 -1.508 -0.451 -0.110
H4 -0.711 1.145 0.968
H5 -0.729 1.275 -0.791
H6 -1.396 -1.069 0.614
N7 1.912 -0.277 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.47931.40631.09151.08681.93872.6331
C21.47932.40142.09292.09532.58991.1540
O31.40632.40142.08382.01210.95793.4258
H41.09152.09292.08381.76372.34373.1417
H51.08682.09532.01211.76372.81263.1604
H61.93872.58990.95792.34372.81263.4600
N72.63311.15403.42583.14173.16043.4600

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.610 C1 O3 H6 108.686
C2 C1 O3 112.622 C2 C1 H4 108.046
C2 C1 H5 108.509 O3 C1 H4 112.464
O3 C1 H5 106.920 H4 C1 H5 108.125
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability