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All results from a given calculation for N(CH3)2CONH2 (Urea, N,N-dimethyl-)

using model chemistry: HF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-56.055935
Energy at 298.15K-56.066464
Nuclear repulsion energy141.035274
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 HF/CEP-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 4040 3642 53.60      
2 A 3881 3499 55.83      
3 A 3383 3050 5.61      
4 A 3332 3004 46.20      
5 A 3277 2954 113.75      
6 A 3268 2946 67.43      
7 A 3212 2895 80.02      
8 A 3200 2884 88.52      
9 A 1817 1638 260.10      
10 A 1745 1573 503.05      
11 A 1666 1502 107.91      
12 A 1656 1493 6.12      
13 A 1652 1489 1.61      
14 A 1645 1482 17.62      
15 A 1625 1465 77.15      
16 A 1589 1433 21.93      
17 A 1569 1414 276.66      
18 A 1402 1263 54.15      
19 A 1386 1249 35.37      
20 A 1278 1152 5.88      
21 A 1233 1112 0.03      
22 A 1196 1078 20.93      
23 A 1174 1059 47.71      
24 A 1115 1005 23.20      
25 A 843 760 130.89      
26 A 806 726 0.38      
27 A 629 567 12.09      
28 A 609 549 212.39      
29 A 547 493 14.55      
30 A 467 421 155.89      
31 A 424 382 4.45      
32 A 331 299 11.43      
33 A 248 223 4.19      
34 A 164 147 0.16      
35 A 93 84 1.84      
36 A 89 80 14.06      

Unscaled Zero Point Vibrational Energy (zpe) 28295.7 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 25505.8 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 HF/CEP-31G
ABC
0.16584 0.11654 0.07026

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.623 0.548 -0.000
O2 1.185 -1.440 0.001
C3 0.763 -0.259 0.000
N4 -0.576 0.056 -0.000
H5 1.399 1.752 -0.003
N6 1.657 0.792 -0.001
H7 -2.205 -0.958 -0.885
H8 -2.198 -0.967 0.889
H9 -1.059 -1.981 -0.008
C10 -1.571 -1.029 -0.001
H11 -0.729 1.985 0.887
H12 -2.142 1.429 0.006
H13 -0.737 1.984 -0.889
C14 -1.058 1.441 0.001

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.45342.02753.23681.71680.99645.13445.13104.46674.48123.75414.84633.76083.7882
O22.45341.25352.31013.19872.28183.53693.52922.30822.78664.02234.39334.02583.6510
C32.02751.25351.37572.10921.38053.17533.17152.50662.45832.83753.36062.84142.4917
N43.23682.31011.37572.60352.35172.11292.11342.09261.47242.12922.08342.12941.4669
H51.71683.19872.10922.60350.99324.59474.59624.46914.06932.31903.55632.32462.4771
N60.99642.28181.38052.35170.99324.33184.33003.88183.70722.81183.85262.81812.7919
H75.13443.53693.17532.11294.59474.33181.77411.76901.09013.73872.54853.28762.8024
H85.13103.52923.17152.11344.59624.33001.77411.76881.09023.29702.55443.74202.8081
H94.46672.30822.50662.09264.46913.88181.76901.76881.08044.07863.57774.07393.4215
C104.48122.78662.45831.47244.06933.70721.09011.09021.08043.25332.52403.25032.5230
H113.75414.02232.83752.12922.31902.81183.73873.29704.07863.25331.75551.77601.0907
H124.84634.39333.36062.08343.55633.85262.54852.55443.57772.52401.75551.75581.0842
H133.76084.02582.84142.12942.32462.81813.28763.74204.07393.25031.77601.75581.0907
C143.78823.65102.49171.46692.47712.79192.80242.80813.42152.52301.09071.08421.0907

picture of Urea, N,N-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N6 C3 116.145 H1 N6 H5 119.277
O2 C3 N4 122.891 O2 C3 N6 119.977
C3 N4 C10 119.302 C3 N4 C14 122.427
C3 N6 H5 124.578 N4 C3 N6 117.133
N4 C10 H7 110.190 N4 C10 H8 110.231
N4 C10 H9 109.158 N4 C14 H11 111.871
N4 C14 H12 108.576 N4 C14 H13 111.889
H7 C10 H8 108.918 H7 C10 H9 109.172
H8 C10 H9 109.150 C10 N4 C14 118.270
H11 C14 H12 107.649 H11 C14 H13 109.012
H12 C14 H13 107.667
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.383      
2 O -0.344      
3 C -0.014      
4 N -0.169      
5 H 0.363      
6 N -0.580      
7 H 0.138      
8 H 0.138      
9 H 0.231      
10 C -0.294      
11 H 0.147      
12 H 0.179      
13 H 0.147      
14 C -0.326      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.226 4.980 -0.006 5.454
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.086 7.026 -0.009
y 7.026 -38.917 0.003
z -0.009 0.003 -38.709
Traceless
 xyz
x 5.727 7.026 -0.009
y 7.026 -3.019 0.003
z -0.009 0.003 -2.708
Polar
3z2-r2-5.415
x2-y25.831
xy7.026
xz-0.009
yz0.003


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.129 -0.191 0.000
y -0.191 7.000 -0.003
z 0.000 -0.003 4.562


<r2> (average value of r2) Å2
<r2> 139.488
(<r2>)1/2 11.811