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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: CCD/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Cs 1A'
1 2 no C2V 1A1

Conformer 1 (Cs)

Jump to S1C2
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-148.377761
Energy at 298.15K-148.380049
Nuclear repulsion energy58.939986
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 CCD/6-31G**
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' 3647 3420 34.38      
2 A' 2399 2250 61.80      
3 A' 1692 1587 43.91      
4 A' 1092 1024 5.66      
5 A' 684 641 258.56      
6 A' 461 432 21.29      
7 A" 3753 3519 45.86      
8 A" 1240 1163 0.00      
9 A" 397 373 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 7682.8 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 7203.4 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 CCD/6-31G**
ABC
10.08669 0.33357 0.32621

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.222 0.000
N2 -0.042 1.388 0.000
N3 0.115 -1.132 0.000
H4 -0.256 -1.560 0.835
H5 -0.256 -1.560 -0.835

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16681.35921.98441.9844
N21.16682.52533.07143.0714
N31.35922.52531.00891.0089
H41.98443.07141.00891.6700
H51.98443.07141.00891.6700

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 113.028 C1 N3 H5 113.028
N2 C1 N3 177.210 H4 N3 H5 111.717
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-148.375402
Energy at 298.15K 
HF Energy-147.913094
Nuclear repulsion energy59.168090
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 CCD/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3748 3514 76.60      
2 A1 2406 2256 104.39      
3 A1 1677 1573 55.35      
4 A1 1139 1068 13.88      
5 B1 498 467 0.73      
6 B1 503i 472i 345.48      
7 B2 3878 3636 93.41      
8 B2 1165 1092 4.17      
9 B2 399 374 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 7202.8 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 6753.4 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 CCD/6-31G**
ABC
11.20099 0.33608 0.32629

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.222
N2 0.000 0.000 1.390
N3 0.000 0.000 -1.117
H4 0.000 0.864 -1.621
H5 0.000 -0.864 -1.621

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16841.33832.03532.0353
N21.16842.50673.13273.1327
N31.33832.50671.00061.0006
H42.03533.13271.00061.7282
H52.03533.13271.00061.7282

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.277 C1 N3 H5 120.277
N2 C1 N3 180.000 H4 N3 H5 119.446
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability