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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-148.312183
Energy at 298.15K-148.314515
Nuclear repulsion energy59.255860
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 CID/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' 3659 3380 46.96      
2 A' 2474 2285 85.28      
3 A' 1728 1596 52.92      
4 A' 1122 1037 5.45      
5 A' 684 631 282.61      
6 A' 490 452 30.68      
7 A" 3759 3472 59.21      
8 A" 1266 1170 0.20      
9 A" 420 388 1.27      

Unscaled Zero Point Vibrational Energy (zpe) 7800.6 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 7205.4 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 CID/6-31G*
ABC
10.17215 0.33752 0.32980

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.223 0.000
N2 -0.052 1.379 0.000
N3 0.119 -1.124 0.000
H4 -0.233 -1.563 0.837
H5 -0.233 -1.563 -0.837

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.15741.35191.98581.9858
N21.15742.50873.06393.0639
N31.35192.50871.00871.0087
H41.98583.06391.00871.6744
H51.98583.06391.00871.6744

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 113.747 C1 N3 H5 113.747
N2 C1 N3 177.544 H4 N3 H5 112.193
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-148.310089
Energy at 298.15K 
HF Energy-147.905785
Nuclear repulsion energy59.455832
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 CID/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 3745 3459 88.49      
2 A1 2473 2284 127.95      
3 A1 1698 1568 64.75      
4 A1 1168 1079 12.56      
5 B1 531 490 2.24      
6 B1 497i 459i 382.18      
7 B2 3866 3571 104.76      
8 B2 1191 1100 5.47      
9 B2 420 388 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 7297.1 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 6740.4 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 CID/6-31G*
ABC
11.20272 0.33979 0.32979

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/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 1.382
N3 0.000 0.000 -1.110
H4 0.000 0.864 -1.617
H5 0.000 -0.864 -1.617

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.15911.33272.03262.0326
N21.15912.49183.12103.1210
N31.33272.49181.00191.0019
H42.03263.12101.00191.7281
H52.03263.12101.00191.7281

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.410 C1 N3 H5 120.410
N2 C1 N3 180.000 H4 N3 H5 119.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability