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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: MP2/cc-pVTZ

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 MP2/cc-pVTZ
 hartrees
Energy at 0K-148.517908
Energy at 298.15K 
HF Energy-147.964562
Nuclear repulsion energy58.985225
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 MP2/cc-pVTZ
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' 3579 3398 46.13      
2 A' 2258 2144 59.90      
3 A' 1638 1555 37.92      
4 A' 1069 1015 8.30      
5 A' 670 636 206.82      
6 A' 470 446 18.52      
7 A" 3682 3496 64.97      
8 A" 1213 1152 0.02      
9 A" 400 379 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 7488.6 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 7110.4 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 MP2/cc-pVTZ
ABC
10.08149 0.33453 0.32720

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.217 0.000
N2 -0.019 1.389 0.000
N3 0.100 -1.131 0.000
H4 -0.281 -1.552 0.834
H5 -0.281 -1.552 -0.834

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17201.35111.97581.9758
N21.17202.52203.06793.0679
N31.35112.52201.00881.0088
H41.97583.06791.00881.6674
H51.97583.06791.00881.6674

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 112.890 C1 N3 H5 112.890
N2 C1 N3 176.714 H4 N3 H5 111.458
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at MP2/cc-pVTZ
 hartrees
Energy at 0K-148.515555
Energy at 298.15K 
HF Energy-147.963388
Nuclear repulsion energy59.209848
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 MP2/cc-pVTZ
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 3671 3486 86.48      
2 A1 2287 2171 100.16      
3 A1 1622 1540 46.91      
4 A1 1108 1052 15.56      
5 B1 499 474 0.02      
6 B1 500i 475i 251.54      
7 B2 3803 3611 110.74      
8 B2 1135 1077 2.10      
9 B2 399 379 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7011.6 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 6657.5 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 MP2/cc-pVTZ
ABC
11.18758 0.33693 0.32708

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.217
N2 0.000 0.000 1.390
N3 0.000 0.000 -1.114
H4 0.000 0.865 -1.617
H5 0.000 -0.865 -1.617

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.17271.33162.02812.0281
N21.17272.50423.12903.1290
N31.33162.50421.00031.0003
H42.02813.12901.00031.7292
H52.02813.12901.00031.7292

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.187 C1 N3 H5 120.187
N2 C1 N3 180.000 H4 N3 H5 119.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability