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All results from a given calculation for HOCH2CN (cyanomethanol)

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-207.434634
Energy at 298.15K-207.437972
HF Energy-206.782565
Nuclear repulsion energy101.134747
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(T)/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 3822 3741        
2 A 3136 3069        
3 A 3043 2979        
4 A 2272 2224        
5 A 1484 1453        
6 A 1432 1402        
7 A 1380 1351        
8 A 1228 1202        
9 A 1106 1082        
10 A 988 967        
11 A 893 874        
12 A 566 554        
13 A 392 384        
14 A 304 297        
15 A 205 201        

Unscaled Zero Point Vibrational Energy (zpe) 11124.8 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 10888.9 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(T)/cc-pVDZ
ABC
1.10678 0.15769 0.14320

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.589 0.592 0.038
C2 0.829 0.119 -0.006
O3 -1.517 -0.463 -0.113
H4 -0.726 1.163 0.978
H5 -0.749 1.285 -0.805
H6 -1.391 -1.057 0.642
N7 1.937 -0.279 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.49531.41271.10921.10311.93022.6724
C21.49532.41942.11622.11912.59411.1774
O31.41272.41942.11162.03090.96853.4608
H41.10922.11622.11161.78762.34173.1874
H51.10312.11912.03091.78762.82683.2073
H61.93022.59410.96852.34172.82683.4807
N72.67241.17743.46083.18743.20733.4807

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.250 C1 O3 H6 106.824
C2 C1 O3 112.577 C2 C1 H4 107.757
C2 C1 H5 108.333 O3 C1 H4 113.164
O3 C1 H5 107.012 H4 C1 H5 107.804
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability